List of commercial video games with available source code

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The table below contains commercially developed and distributed video games with the source code available to the public or the game communities.

Background and motivation

Most of the commercial video games are developed as proprietary closed source software product with the source code being a trade secret and unavailable (unlike open-source video games). Most of these video games, when no revenue is expected anymore (e.g. superseded by next generation or beyond support life cycle), enter their end of life as product with no support and availability anymore for the users and game community. The video games' source code, required for future software maintenance works, stays closed and unavailable.

Description

In several here given cases the game's developers opened the source code to prevent an Abandonware state of their work. Such games are often opened under varying (free and non-free, commercial and non-commercial) licenses to the game communities or the public. Sometimes the source code is pushed by the developers to public repositories (e.g. sourceforge or github), sometimes the source code is given to selected game community members, sometimes the source code is sold with the game, sometimes source code becomes available by other means. Sometimes the game communities "extract" source code from software binaries by time demanding reverse engineering techniques, when sources are not available by other means. Also, at the dawn of the computer age, software was in general distributed in source code form, see for instance BASIC Computer Games. Source code availability in whatever form allows the game communities to provide technical support (bug fixes, compatibility adaptations to new hardware and OSes) themselves, e.g. with unofficial patches or Source ports to actual platforms when the official support has ended.

Often artwork and data are released under a different license than the source code as the copyright situation is different (or more complicated). See also Category:Commercial video games with freely available source code.

For Open source video game see the List of open source video games. For commercial games which were released as freeware without source code see List of commercial video games released as freeware.

Tables of commercial video games with source code

   Title    First release Source code release Genre Engine license Content license Original developer Additional information
A Dark Room 2013 2013 Online text-based role-playing game Mozilla Public License Mozilla Public License Doublespeak Games In July 2013 the source code of the game was put on GitHub under MPL 2.0.[1] Became commercially successful after the source code release.
Abuse 1995 2003 Run and gun Public domain software Public domain and Proprietary* Crack dot Com Game source code was released as public domain along with the shareware-released media files.[2] *Only shareware data, excluding the sound effects, is in the public domain; the rest is proprietary.
Airline Tycoon 1998 2015 Simulation game proprietary[3] Commercial Spellbound Entertainment On 24 March 2015 Airline Tycoon Deluxe was re-released on the digital distribution platform gog.com, including the source code.[4]
Alien Bash I+II 1993 2014 Run and gun public domain public domain[5] Glen Cumming Glen Cumming provided media and material of his Amiga games "AlienBash" and "AlienBash II" to the fan community, who was able to restore source code in 2014.[6]
Alien Breed 3D II: The Killing Grounds 1996 1997 FPS ? Proprietary Team17 Team17 made the game's source code (and its predecessor Alien Breed 3D) freely available in March 1997, on the cover CD of Amiga Format magazine issue 95.[7]
Aliens versus Predator 2000 2001[8] FPS Own non-commercial license[9] Proprietary Rebellion Developments Source code released by Rebellion Developments 2001. An unofficial patch project for the PC version, based on the source code, was released and is still updated.[8]
Akalabeth: World of Doom 1979 1979 Role-playing video game public domain Freeware Richard Garriott Richard Garriott distributed the Applesoft BASIC written game originally as source code. Also later Origin Systems offered the source code on their FTP servers.[10][11]
Allegiance (now FreeAllegiance) 2000 2004 real-time strategy and Space combat simulator Shared Source[12] Proprietary Microsoft Research Released by Microsoft Research under a shared source license ("MSR-SSLA") 2004.[13]
Anacreon: Reconstruction 4021 1987 2004 4x game no license given Freeware George Moromisato Developed by George Moromisato in 1987. Around 2004 the source code of the DOS version 2.00 was released.[14]
Ares 1996 2008 Space Strategy video game LGPLv3[15] CC BY-NC-SA Freeware Nathan Lamont/Bigger Planet Software Released in 2008. Under continued development for modern systems as "Antares" via GitHub.[16]
Arx Fatalis (now Arx Libertatis) 2002 2011 RPG GPL Proprietary Arkane Studios The design of Arx Fatalis was heavily influenced by Ultima Underworld. Game source released by Arkane Studios on January 14, 2011.
AstroMenace (now OpenAstroMenace) 2007 2007 Arcade GPLv3 GPLv3 Viewizard Based on AstroMenace which was released in February 2007 as shareware for Windows and freeware for Linux.[17]
Asylum 1994 2002 Platformer Public domain software[18] Public domain software Andy Southgate Released by Andy Southgate as public domain and SDL port under GPLv3.[19] Later ported also to the Pandora.[20]
Attack of the Mutant Camels 1989 2012 Scrolling shooters ? ? Jeff Minter In 2012 the assembly language source code of the Konix version of the game was released on GitHub.[21][22]
Aquaria 2010 2010 Action-adventure GPL Proprietary Bit Blot Open sourced with Humble Indie Bundle.[23]
Aztaka 2009 2011 Action role-playing game Proprietary Citérémis In 2011 Independent game developer Citérémis released a "Developer's Edition" of Aztaka for $9.99 which included also the source code of the game.[24][25]
Batman Returns 1993 2015 sidescrolling Beat 'em up for educational purposes for educational purposes ACME / Chris Shrigley In March 2015 programmer Chris Shrigley, who worked on the Sega CD version, found the Batman Returns source code and released it for educational purposes to the public.[26] He released also the source code of Magician, Cliffhanger, Gargoyles and some other games from his working career.[27]
Beyond Castle Wolfenstein 1985 2005 Shooter no license given Freeware Silas Warner The reconstructed source code and the ported game was released by Silas Warner's widow in 2005.[28]
Beyond the Titanic 1986 2009 Text adventure GPL GPL Apogee Software Game source released on March 20, 2009.
Blades of Exile 1997 2007 RPG GPL GPL Spiderweb Software Source code and artwork was released by Jeff Vogel (Spiderweb Software) under a GPL license in June 2007.[29]
Blake Stone: Planet Strike 1994 2013[30] FPS GPL[31] GPL Apogee Software Released in 2013 to promote the sale of the Apogee Throwback Pack on Steam.
Buzz Aldrin's Race Into Space (now Race Into Space) 2007 2013 Simulation GPLv2[32] Freeware[33] Strategic Visions/Fritz Bronner A port of Buzz Aldrin's Race Into Space to modern operating systems. The license fell back to Bronner as he had a contract clause with Interplay stating that in case Interplay went bankrupt or no distribution for some time.[33]
Catacomb 1989 2014[34] Top-down shooter GNU General Public License Proprietary Flat Rock Software Early game by John D. Carmack. Released by Flat Rock Software.[35]
Catacomb 3D 1991 2014[34] First-person shooter GNU General Public License Proprietary Flat Rock Software / id Software Predecessor to Wolfenstein 3D.
Call to Power II 2000 2003 turn-based strategy game Non-commercial own license[36] Proprietary Activision Civilization clone. Source opened to the apolyton community to allow support with Community patches.[37]
Canabalt 2009 2010 Cinematic platformer Engine MIT license,[38] game code own proprietary license[39] Proprietary/Freeware Adam Saltsman Released by Adam Saltsman in 2010.[40]
Cart Life 2011 2014 Simulation CART LIFE'S FREE LICENSE (Permissive license) CART LIFE'S FREE LICENSE (Permissive license)/Freeware Richard Hofmeier In March 2014 the game was removed from all digital distributions and the source code and game was made available for free online, with Hofmeier saying he was finished supporting the game.[41][42]
Clonk 1994 2010 Action, RTS, Platform ISC CC-BY RedWolf Design Successor of the Clonk shareware series.
Colobot 2001 2012 Educational game, RTS GPLv3 GPLv3 Epsitec SA Game source released on March 26, 2012.[43]
Colossal Cave Adventure 1976 2007 Text Adventure Public domain software[44][45][46] no artwork (Public domain software) Will Crowther
Commander Keen: Keen Dreams 1991 2014 Platformer GPLv2+ Proprietary id Software In September 2014, after an Indiegogo crowdfunding campaign,[47] the game's source code was released on GitHub.[48][49]
Conquest: Frontier Wars 2001 2013 Space Real-time strategy Proprietary Fever Pitch Studios On December 9, 2013, the source code was bundled with every copy of the game purchased on GOG.com.[50][51]
CoreBreach 2011 2012 Racing game GPL (game)/ MIT (3d engine)[52] Freeware (demo)/ proprietary CoreCode Futuristic "anti-gravity" racing game with combat. Source was released after a sales quota was met.[52]
CryEngine 5 1989 2016 First person shooter ? NA Crytek In 2016 Crytek released their engine as pay-what-you-want including the source code to the public.[53][54]
Crystal Mines 1989 2011 Arcade Custom permissive license Freeware Ken Beckett/Color Dreams In August 2011 Ken Beckett, the programmer of the NES game Crystal Mines, released the source code under a custom permissive license to the public.[55][56] Artwork still proprietary but can be shared for non-commercial, personal use.[57]
Cylindrix 1995 2001 Arcade, Shooter LGPL LGPL Goldtree Enterprises / Softdisk Around December 2001 the games was ported from DOS to Windows and released under the LGPL to the public.[58][59]
Daikatana 2000 2015 MMO, Real-time strategy ? Proprietary Ion Storm / John Romero Lacking any further official support after the closure of Ion Storm's Dallas office in 2001, John Romero gave the game's source code to community members, allowing them to develop additional platform ports and bug fixes.[60][61]
DarkSpace 2001 2009 MMO, Real-time strategy multiple, own licenses.[62] Proprietary Palestar DarkSpace's Engine called Medusa released by Palestar under multiple licenses.[63]
Descent (now D2X-XL)[64] 1995 1997/1999 space 3D first-person shooter own license[65] Proprietary Parallax Software Game source released by Parallax Software on 1997 (Descent 1)[66] and 1999 (Descent 2).[67]
Diamond Trust of London 2012 2012 TBS Public Domain Public Domain Jason Rohrer Following a Kickstarter crowdfunding campaign Diamond Trust of London was developed by Jason Rohrer and published by indiePub. On August 28, 2012 it was released for the Nintendo DS. The game has been placed in the public domain, hosted on SourceForge, like most of Rohrer's games.[68]
Digger 1983 2004 Arcade proprietary Freeware Windmill Software The original source code became available in September 2004, but "only for historical interest" (with source code of other Windmill Software games as Styx).[69][70] But, there is an earlier free software reverse engineered variant available by Andrew Jenner, called Digger Remastered, ported for many platforms.[71]
Dink Smallwood 1997 2003/2008 Action RPG Zlib inspired own license[72] Zlib/Proprietary (Sound)[73] Robinson Technologies Source published on July 17, 2003 from Seth Robinson.[74] 2008 Artwork published (without some sounds) under a Zlib license.[75]
Discworld and Discworld II 1995 2008 point-and-click adventure game ? ? Teeny Weeny Games First announced for release around 2005 by Terry Pratchett,[76] source code became in 2008 available to the ScummVM developers.[77] The code was fast integrated into ScummVM.[78]
DONKEY.BAS 1981 1981 Racing game Proprietary Proprietary Bill Gates, Neil Konzen Was written by Microsoft co-founder Bill Gates and Neil Konzen in 1981 and was included with early versions of the PC DOS operating system for the original IBM PC. Similar early BASIC games which were distributed as source code are GORILLA.BAS and NIBBLES.BAS.
Doom 1993 1997/1999 FPS GPL Proprietary Id Software Game source released on December 23, 1997, placed under GPL on October 3, 1999.
Doom II: Hell on Earth 1994 1997/1999 FPS GPL Proprietary Id Software Game source released on December 23, 1997, placed under GPL on October 3, 1999.
Doom 3 2004 2011 FPS GPL Proprietary Id Software Game source released on November 22, 2011.[79]
Dragonfire 1982 2003 action public domain software public domain Imagic Source code of this Imagic Atari 2600 game was released by developer Bob Smith on May 24, 2003 into the public domain.[80][81][82]
DROD 1997 2000 Puzzle game Mozilla Public license 1.1 (and other)[83] Proprietary Webfoot/Erik Hermansen After the author reacquired the rights to the game from the original publisher Webfoot,[84] he released the source code.[83][85]
Duke Nukem 3D 1996 2003 FPS GPL Proprietary 3D Realms Game source released on April 1, 2003.
Dungeons of Daggorath 1982 2001 3D Dungeon crawler Freeware Freeware DynaMicro / Douglas J. Morgan As for years there has been no production by the publisher Radio Shack of the game, the distributions rights fall back to the developers. Morgan released game around 2001 under a freeware like license to the public, also offering the source code.[86][87] Following, the game's community has created ports for PC,[88] Linux,[89] RiscOS[90] and PSP.[91]
Eat The Whistle 1998 2002 Sports game GPLv2[92] GPLv2 Hurricane Studios A football Simulation video game released for the Amiga. In 2002 released under the GPL and ported to many other platforms.[93]
Eldritch 2013 2014 First person shooter, roguelike zlib license Proprietary Minor Key Games In April 2014, the game's source code was released to the public under a permissive zlib license. Content still proprietary and game being sold.[94][95]
Elite 1984 1999 Space trading game ? Freeware Ian Bell, David Braben In November 1999, developer Ian Bell released on the game's 15th birthday the BBC Micro assembly source code on his website.[96][97] Following that, Christian Pinder created a platform-neutral C version from the released BBC Micro version, called Elite: The new kind. In 1999–2000 a dispute occurred between Ian Bell and David Braben regarding Bell's decision to make available all versions of the original Elite.[98] The dispute has since ended and the various versions are now available again on Bell's site.[99][100]
Enemy Engaged: RAH-66 Comanche vs. KA-52 Hokum 2000 2003 Helicopter Flight simulator own license[101] Proprietary Razorworks Game source was released somewhen 2003 by Razorworks.[102]
Enemy Nations 1997 2005[103]/2006[104][105] RTS own non-commercial license[106] non-commercial Freeware[106] Windward Studios Game source and artwork was released by Windward Studios under a non-commercial license around 2005/2006.
Falcon 4.0 1998 2000 Combat flight simulator Proprietary (leaked code) / questionable BSD license (FreeFalcon community development branch) Proprietary MicroProse A 2000 source code leak[107] by a former developer allowed unofficial community development, including upgrades, improved graphics, and bug fixes. In 2013 the source code of one of the community development branches was released to a GitHub repository under a BSD license.[108] As Atari currently owns the intellectual property and Graphsim has the exclusive right to publish, the legality of this source code is highly questionable.
Fish Fillets (now Fish Fillets NG) 1998 2002 Puzzle GPL GPL Altar Games Released commercially as Fish Fillets in 1998. Source released in 2002 under the GPL.
Flow 2006 2009 Life simulation ? (For educational purposes) Freeware Thatgamecompany Around 2009 the flash source code was made available for educational purposes by the developers.[109][110]
Free Fall 1983 1999 Beat 'em up ? Freeware Ian Bell/Acornsoft In 1999, developer Ian Bell released the video game's BBC Micro assembly source code on his website.[111] Semi-serious he considers it the first ever Beat 'em up video game.
FreeSpace 2 (now FreeSpace 2 Source Code Project) 1999 2002 Space Sim Non-commercial/Proprietary Proprietary Volition, Inc. Game source released by Volition, Inc. on April 25, 2002.[112]
Gates of Skeldal 1998 2008 Dungeon crawler role-playing video game GPL 3 Freeware Napoleon Games On 19 November 2007 the game was made freeware by the Czech developer, in 2008 the source code was released under GPLv3 on a sourceforge repository.[113][114] Later it was translated by fans to English and ported to linux.[115]
Gish 2004 2010 Action GPL Proprietary Cryptic Sea Source opened with Humble Indie Bundle by Wolfire Games.[116][117]
Glider PRO 1994 2016 Flight simulator GPLv2 GPLv2 John Calhoun On 27 Jan 2016, the source code, graphics, and sound data for Glider PRO were released on GitHub with the source code being licensed under the GNU General Public License v2.[118][119]
Glitch 2009 2013 MMO client and other parts under CC0 CC0 Tinyspeck In 2013, one year after the MMO was shut down, most of the artwork and parts of the code were released under a CC0 license.[120][121]
Gothic 3 2006 2007 RPG Proprietary Proprietary JoWood Source code was opened by JoWood for the members of "Community patch project" from the game community in 2007.[122]
Gravity Force 2 1994 2008 Multidirectional shooter no license given no license given Jens Andersson & Jan Kronqvist On September 21, 2008 the developers of the Amiga shareware title Gravity Force 2 released the source code for "nostalgic interest" without specified license.[123]
H-Craft Championship 2007 2015 science fiction racing game zlib license Freeware Irrgheist H-Craft Championship was developed by the independent game studio Irrgheist[124] and released by Manifesto Games[125]/Akella in 2007.[126] In 2014, the developers released the game as freeware[127] and the source code under the zlib license in February 2015.[128][129]
Hack 'n' Slash 2014 2014 Zelda-like puzzle game  ? Proprietary Double Fine With the 1.0 release on September 9, 2014 also the source code of the game was released by Double Fine.[130][131]
Hacker Evolution: Source code 2007 2015 Hacker game  ? Proprietary Exosyphen Released on May 11, 2015 for $49.95 by the indie game developer.[132]
Heretic 1994 1999/2008 FPS GPLv2 Proprietary Raven Software Game source released on January 11, 1999, put under GPL on September 4, 2008.
Hexen: Beyond Heretic 1995 1999/2008 FPS GPLv2 Proprietary Raven Software Game source released on January 11, 1999, put under GPL on September 4, 2008.
Hexen II 1997 2000 FPS GPL Proprietary Raven Software Game source released on November 10, 2000.
Homeworld 1999 2003 Space Real-time strategy Non-commercial license[133] Proprietary Relic Entertainment Game source released 2003.[134]
HoverRace 1996 2008 Racing originally time limited license / later non-commercial GrokkSoft HoverRace SourceCode License.[135][136] GrokkSoft Was first published under a time-limited license. On 2008 re-newed with an infinite duration license.[137]
Hovertank 3D 1991 2014[34] First-person shooter GNU General Public License Proprietary Flat Rock Software/id Software First 3D game by id Software and John D. Carmack.
In Pursuit of Greed 1996 2014 FPS non-commercial use, "for educational and personal use only" Freeware (non-commercial) Mind Shear Software Released as non-commercial freeware in 2014.[138]
Iron Seed 1994 2013 Space trading and combat simulator GPL Freeware (audiotracks proprietary) Channel 7 Released as freeware by the authors to promote the development of Iron Seed 2 in the 2000s. Source opened under the GPL by the developers in 2013.[139]
Jagged Alliance 2 Wildfire (now JA2-Stracciatella) 2004 2004 Tactical role-playing game Own license Proprietary iDeal Games Source code was bundled and released with JA2: Wildfire 2004.[140]
Kiloblaster 1992 2008 Arcade Own license[141] Freeware (with additional restriction) Epic MegaGames Allen Pilgrim declared the registered version freeware and released also the source code on August 4, 2008.[142][143]
Kumquat & Cantaloupe 1996 2012 Maze undefined Freeware Dave Schofield The Amiga games Kumquat & Cantaloupe, originally released as shareware titles, were re-released as freeware with source code included by the author in November 2012.[144][145]
Kroz 1987 2009 Maze GPL GPL Apogee Software Game source released on March 20, 2009.
Lemmings 1991 2010 Puzzle game ? ? Brutal Deluxe Brutal Deluxe released the source code of the Apple IIgs port of Lemmings (and a dozen other ports).[146]
Lugaru 2005 2010 Action-adventure game GPLv2 Proprietary Wolfire Games Open sourced with the first Humble Indie Bundle by Wolfire Games.[147]
Maelstrom 1992 1995/2010 Shoot 'em up GPL CC-BY Ambrosia Software Asteroids clone. 1995 source released under GPL. In 2010 Andrew Welch and Ian Gilman released the game's contents under a Creative Commons license.[148]
Marathon 2: Durandal (now Aleph One) 1995 2000 FPS GPL Proprietary Bungie Software Released by Bungie on January 17, 2000.[149]
MechCommander 2 2001 2006 Real-time tactics Shared Source Limited Permissive License[150] Proprietary FASA Interactive/Microsoft Source opened under a Shared Source license by Microsoft in August 2006.[151]
Meridian 59 1995 2012 MMORPG GPLv2 (compression library and audio library not included) Freeware Archetype Interactive As of February 2010 Meridian 59 has been turned over to the original technical developers, Andrew and Chris Kirmse. On September 15, 2012 they released the game to the public as Freeware and most of the source code under the GPLv2 license.[152]
Miner Wars 2081 2012 2013 6DOF Space Shooter own proprietary license[153] Proprietary Keen Software House 6DOF action-survival space-shooter simulation-game set in the year 2081. Full game and engine source code released under a restrictive license.
Monster RPG 2 2010 2012 JRPG zlib license zlib license Nooskewl After a successful Indiegogo campaign, released by Nooskewl under a Public Domain-like license ("Give it Your Own License") on November 11, 2012,[154][155] later changed to zlib license.
MiG Alley 1999 2001 Flight simulation own license Proprietary Rowan Software/Empire Interactive Source opened by Rowan Software/Empire Interactive in 2001.[156][157]
Mr. Do! (for Gameboy) 1992 2007 Arcade source opened without defined license without defined license Universal Entertainment Corporation Source opened of the game boy version by developer Wesley Knackers in 2007 on his website.[158][159]
Myth (series) 1998 2001 Real-time tactics source opened without defined license Proprietary Take 2 Interactive/MumboJumbo Source opened by Take 2 Interactive/MumboJumbo to the game community in 2001.[160][161]
Myst Online: Uru Live 2007 2010 MMORPG GPLv3 Proprietary Cyan Worlds "Myst Online: Uru Live" struggled to attract subscribers and was canceled after its first year. Cyan release the game as an open source game in 2010.[162]
Natural Selection 2002 2014 FPS GPLv2 (most code) / custom (external libraries)[163] Proprietary Unknown Worlds Entertainment In January 2014 Unknown Worlds released the source code for download on GitHub.[164]
Nanosaur 1998 2003 FPS Own restrictive license Proprietary Pangea Software Around 2003 the Nanosaur source code was made available by the developer under a restrictive license.[165]
NoGravity 1996 2005 Arcade GPL Proprietary realtech VR Source code released by realtech VR on February 16, 2005.[166]
No One Lives Forever 2: A Spy in H.A.R.M.'s Way 2002 2011 FPS GPLv2[167] Proprietary Monolith Productions Source code released by Monolith Productions/Sierra Entertainment as part of a modding toolkit[168]
Penumbra: Overture 2007 2009 Survival horror with FPS aspects GPL Proprietary Frictional Games Developed by Swedish[169] developer Frictional Games, the game blends the genres of survival horror, first-person shooter, and adventure. Open sourced with Humble Indie Bundle.[170]
Preppie! 1982 2016 action game ? ? Russ Wetmore/Star Systems Software In January 2016 Russ Wetmore released the source code of his Atari 8-bit family games Preppie!, Preppie II and Sea Dragon to the public on the Internet Archive.[171]
Prince of Persia 1989 2012 Cinematic platformer Proprietary Proprietary Jordan Mechner Apple II source code was long-thought-lost,[172] but was found again and released in 2012.[173]
Project: Starfighter 2001 2008 Shoot 'em up GPL[174] Proprietary[175] Parallel Realities
Quake 1996 1999 FPS GPL Proprietary Id Software Game source released on December 21, 1999.
Quake II 1997 2001 FPS GPL Proprietary Id Software Game source released on December 22, 2001.
Quake III Arena 1999 2005 FPS GPL Proprietary Id Software Game source released on August 19, 2005.
Return to Castle Wolfenstein 2001 2010 FPS GPL Proprietary Id software The source code for Return to Castle Wolfenstein and Enemy Territory was released under the GNU General Public License (GPL) on August 12, 2010.[176]
Revenge of the Titans 2010 2011 Tower Defense, RTS Custom all-permissive[177] Proprietary Puppy Games Java based game. Source code was released by Puppy Games with the success of the second Humble Indie Bundle.[178]
Rise of the Triad 1994 2002 FPS GPL Proprietary Apogee Software/3D Realms Game source released on December 20, 2002.
Roboforge 2001 2008 Multiplayer Strategy game "RoboForge, Personal, Non-Commercial Use End User License" Freeware Liquid Edge Announced the game in July, 2000[179] by Liquid Edge the game was released on May 23, 2001.[180] From July 2008 RoboForge became an Open Source project with the source code for the Java based client and server under a non-commercial license and as freeware.[181] The game's community continues development.
Rowan's Battle of Britain 2000 2001 Flight simulation Empire Interactive License Proprietary Rowan Software/Empire Interactive Source opened by Rowan Software/Empire Interactive in 2001.[156][182]
RuneSword II 2001 2004[183] Turn-based strategy Public Domain[184] Public Domain CrossCut Games In 2004 CrossCut Games released the game into the public domain on SourceForge.[185] Since then there is continuous development by the community on the game.
Ryzom 2004 2010 MMORPG AGPL CC Nevrax In response to the folding of Nevrax, the Free Ryzom Campaign was launched in order to gather enough funds from donations ("Crowdfunding") from the community to purchase Ryzom and release the game as free software. The campaign was almost successful with €172,988 of the required €200,000 gathered.[186][187] On May 6, 2010, Winch Gate announced the full release of source code and artwork, and a partnership with the Free Software Foundation.[188][189]
Savage: The Battle for Newerth 2003 2007 online Real-time strategy, First-person shooter no license/proprietary Freeware[190] S2 Games The game was turned freeware by S2 Games on September 1, 2006. In 2007 the source code became available to the game community, who now continues development.[191]
Serious Sam (Serious Engine) 2001 2016 FPS GPLv2+ Proprietary Croteam In March 2016, Croteam released Serious Engine v1.10 as free and open source software on GitHub under the GNU General Public License.[192][193]
Seven Kingdoms 1996 2008 RTS GPL GPL and Proprietary* Enlight Source code released by Enlight in November, 2008. *Music is proprietary[194][195]
Seven Kingdoms II 1999 2009 RTS GPL Proprietary Enlight Source code released in August, 2009.
Shadowgrounds 2005 2011 Shoot 'em up own non-commercial license[196] Proprietary Frozenbyte Game source released with a Humble Indie Bundle by Frozenbyte on April 22, 2011.[197]
Shadow Warrior 1997 2005 FPS GPL Proprietary 3D Realms Game source released on April 1, 2005.
Siege of Avalon 2000 2003 RPG LGPL Proprietary Digital Tome Source code released June 23, 2003.[198]
SimCity (Micropolis) 1989 (as SimCity) 2008 (as Micropolis) City-building game GPLv3[199] GPLv3 Maxis (Will Wright/Don Hopkins) Source code released by Don Hopkins under GPL in 2008. For trademark reasons released under the original working title Micropolis, also known as OLPC SimCity.[200]
Sopwith 1984 2000 Shoot 'em up GPL GPL David L. Clark The C and x86 assembly source code to Sopwith was released in 2000,[201] at first under a non-commercial use license, but later under the GNU GPL at the request of fans.[202]
Soul Rider 2000[203] 2003 Snow board simulation/sport game GPL[204] Proprietary Slingshot Game Technology On 20 Jan 2003 Soul Rider's game engine source code was released to allow ports to alternative OSes.[205]
Spacebase DF-9 2013 2015 Space simulator CPAL ? Double Fine After Double Fine ended the support of the controversy ridden and incomplete game on end of 2014,[206] fans have been working to continue the game's development with the availability of the source code in May 2015 under the CPAL open-source license.[207] First patch became available in October 2015.[208]
Space Engineers 2013 2015 space sandbox game proprietary commercial Keen Software House On May 14, 2015 the development studio made the source code freely available to the game's community for easier modding on GitHub under a proprietary license (non-open source license).[209][210][211]
Spear of Destiny 1992 1995 FPS ID SOFTWARE LICENSE[212] Proprietary id Software The source code of Wolfenstein 3D, which also covered Spear of Destiny, was released on July 21, 1995.
Speed Haste 1995 2012 racing video game public domain-like license proprietary Javier Arevalo Baeza In 2012 the game's developer Javier Arevalo Baeza released the Borland C source code (minus some commercial library part) for "you can do whatever you want with this code" on GitHub.[213]
Star Control II (now The Ur-Quan Masters) 1992 2002 Action RPG GPL Cc-by-nc-sa Toys for Bob (Fred Ford / Paul Reiche III) Source code of the 3DO version GPL-released in 2002.[214]
Star Raiders 1979 2015 space combat simulator ? ? Atari The commented assembly source code scan of Star Raider became available in October 2015 in the Internet Archive as scan.[215] The community typed in the source code double checked in a github project.[216] Shortly before a reverse engineering project was finished, too.[217]
Star Trek: Elite Force II 2002 2003 Action RPG non-commercial own license (only serverside part) proprietary Ritual Entertainment In November 2003 Ritual Entertainment released the source code of their server-side code base for multiplayer gaming under a non-commercial license.[218][219]
Star Wars Jedi Knight II: Jedi Outcast 2002 2013 First/Third person shooter GPLv2 Proprietary Raven Software Release of the source code by Raven Software and Activision coincided with the closing of LucasArts by Disney.[220]
Star Wars Jedi Knight: Jedi Academy 2003 2013 First/Third person shooter GPLv2 Proprietary Raven Software Release of the source code by Raven Software and Activision coincided with the closing of LucasArts by Disney.[220]
Starshatter: The Gathering Storm 2004 2011 Space combat simulator New BSD License Freeware Destroyer Studios/Matrix Games Source code released by Destroyer Studios/Matrix Games on December 14, 2011.[221][222]
Strange Adventures in Infinite Space 2002 2005/2009 Space Roguelike GPL Freeware Digital Eel Source was release under GPL by Digital Eel in 2005.[223] Content became freeware 2009.
Stellar Frontier 1997 2008 Space simulation STARDOCK SHARED SOURCE STELLAR FRONTIER LICENSE (non-commercial license)[224] STARDOCK SHARED SOURCE STELLAR FRONTIER LICENSE (non-commercial license) Stardock Stellar Frontier was developed by Doug Hendrix in 1995 and was later licensed and published by Stardock. On August 4, 2006, Stardock Systems closed the official master server. On November 18, 2008, the game source code was released under an own non-commercial license.[225] As result, the game's community took over the support of the game and improved the game, fixed the bugs and security holes with own-made patches.[226]
Supernova 1987 2009 Text adventure GPL GPL Apogee Software Game source released on March 20, 2009.
Telengard 1982 1982 Dungeon crawler, role-playing, roguelike ? ? Avalon Hill / Daniel Lawrence As the game's BASIC source code ("DSKTEL.BAS") was available early on, ports and remaster exist therefore by the community.[227][228]
The Castle Doctrine 2014 2014 MMO Public Domain Public Domain Jason Rohrer The Castle Doctrine is developed by Jason Rohrer in a public Sourceforge repository and is like most of his creative works into the public domain.[229] The The Castle Doctrine was developed as an early access game and is now sold on Steam for $14.99.[230]
The Clue! 1994 2000 role-playing adventure game own license own license / Freeware neo Software Produktions GmbH In 2000 the source code was released to the public.[231][232] The game is since then ported to modern platforms via SDL and receives still updates by the community (2015).[233]
The Wizard's Castle 1980 2004 role-playing adventure game ? ? Joseph R. Power The BASIC source code of the 1980 developed game was published by the developer in the July/August 1980 issue of Recreational Computing.[234][235] Ports to other systems followed afterwards.[236]
The Pit Puzzle' 1997 2011 Puzzle game Apache 2.0 License Freeware Abe Pralle / Plasmaworks The DOS game source code was released around 2011 by the author Abe Pralle under Apache 2.0 License on github.[237]
Treasures of a Slaver's Kingdom 2007 2010 Z-machine Text adventure game Freeware Freeware Cumberland Games & Diversions S. John Ross released the commercial Treasures of a Slaver's Kingdom, which won the XYZZY Award 2007 for the best NPC, in 2010 with Z-machine source code as freeware.[238] More source code of text adventure from the 70s and 80s are available at the archive.[239]
To Heart 2 2004 2006 Visual novel GPL Proprietary Aquaplus Its source code was released by Aquaplus under the GNU General Public License on December 22, 2005 along with the source code for Arurū to Asobo!!, Tears to Tiara, and Kusari.[240][241] This decision was made due to the inclusion of Xvid derived code; Xvid being distributed under the same license.[240][241] The source code for all four games is distributed upon request in CD-R format.[240] A copy is hosted on github.[242]
Tribes 2 2001 2012 FPS Torque engine under MIT, rest is proprietary Freeware Dynamix Many commercial titles were developed using the Torque engine.[243] GarageGames released Torque 3D under the MIT License on September 20, 2012.[244] The Tribes 2 source code beside the Torque engine is not available.[245]
Triplane Turmoil 1996 2009 side-scrolling dogfighting flying game GPLv3 GPLv3 Dodekaedron Software In 1996 Triplane Turmoil was originally released as shareware DOS game. In 2009 Dodekaedron Software Creations Oy placed Triplane Turmoil's source code, documentation, images and sounds under the GPLv3, hosted on Sourceforge.[246][247] The community continued the support and ported the game to other platforms (Linux, Windows) via SDL.
Tyrian (now OpenTyrian) 1995 2007 Scrolling shooter GPLv2 Freeware/CC-BY 3.0 US[248][249] World Tree Games Productions/Epic MegaGames (Jason Emery/Daniel Cook) The OpenTyrian team ported the closed-source Pascal code of Tyrian to C with permission of Jason Emery in February 2007. The graphic artist Daniel Cook released the artwork shortly after.
Unreal 1998 2008 FPS source opened without defined license Proprietary Epic Megagames Access to source-code granted by Epic Megagames for the game community around 2008.[250] In 2015 Tim Sweeny announced that he hope to be able to open source one day the engine to the public.[251]
Uplink 2001 2003 Hacking simulation Proprietary Proprietary Introversion Software Mid-2003 Introversion Software started selling the source code for $45. Usage beside modding and fixing of the game are not permitted by the license.[252] Source code of the games Darwinia + Multiwinia and DEFCON was later sold too.[253]
Ultima: Escape from Mt. Drash 1983 2003 Role-playing video game Proprietary Proprietary Keith Zabalaoui/Sierra On-Line On 11 June 2003, the game was ported to PC (under GPLv2 license) by Kasper Fauerby based on the original BASIC source code and some smaller binary reverse engineered parts.[254]
Vangers 1998 2016 racing and role-playing genre GPLv3 Commercial K-D Lab In March 2016, Vangers source code was released[255] under GPLv3 license. Data was not freed though, so one still needs data files from Steam or GOG.com release in order to run the game.
Wander 1974 2015 Text adventure ? ? Peter Langston The lost thought source code of Wander, one of the earliest mainframe text adventures, could be acquired in April 2015 from the original author.[256][257]
Warlords Battlecry III 2004 2006 RTS Own proprietary license Proprietary Infinite Interactive/Enlight Software On 24 May 2006, the Warlords Battlecry III source code became available to the public. Members of the community (who signed a NDA) have been entitled distributors, which have the legal permissions to allocate copies of the Warlords Battlecry III source code.[258][259] The source code release resulted in the development of several community-made fan patches[260][261] and mods.
War Worlds 2013 2014 RTS Own permissive license[262] Own permissive license Codeka / Dean Harding The mobile strategy game was originally released commercially,[263] and later released to the public to allow the community to continue the support of the game.[264][265] With help of the community the game's main developer has continued the support since then.
Warfare Incorporated (now Hostile Takeover) 2003 2014 RTS BSD license BSD license Spiffcode In July 2014 the game's source code and content got open sourced with the BSD license under the name "Hostile takeover" on GitHub.[266][267] As result the game was ported by the game's community to alternative platforms like the Pandora handheld.[268]
Warzone 2100 1999 2004/2008 RTS GPLv2 GPLv2, CC Pumpkin Studios/Eidos Interactive 3D real-time strategy game with a unit design system. First source part was released by Pumpkin Studios/Eidos Interactive in 2004 and the rest was released in 2008.[269]
Witchaven series 1995 2006 FPS non-given Proprietary Capstone Software Around 2006 Les Bird, a programmer from the 1996 folded game development company Capstone Software, released the source code of the abandoned games Witchaven, Witchaven II, William Shatner's TekWar and Corridor 7: Alien Invasion.[270]
Wolfenstein 3D 1992 1995 FPS ID SOFTWARE LICENSE[212] Proprietary id Software The source code of Wolfenstein 3D, which also covered Spear of Destiny, was released on July 21, 1995.
Wolfenstein: Enemy Territory 2003 2010 FPS GPLv3 Proprietary Splash Damage/id Software Game source released on August 12, 2010.
World Train Royale 2009 2011 Tycoon game Freeware Versus Software Sold around 2009 for 10 dollars,[271] the game source code was released on 26 June 2011 on sourceforge.[272][273]
Word Whiz 1988 2009 Educational game GPL GPL Apogee Software Game source released on March 20, 2009.
Xargon 1993 2008 Platformer own license[141] Freeware (with additional restrictions) Epic MegaGames Game source released in 2008 by the programmer Allen Pilgrim.[274]
Xenonauts 2014 2015 Turn-based tactics ? Proprietary Goldhawk Interactive Shortly after the release of the stable version Goldhawk Interactive allowed selected members of the community to access the source code.[275] This resulted in the community edition of the game (Xenonauts:Community Edition, X:CE), which continues development of an independent branch of the game, adding new features and bugfixes.[276]

The table below with available source code resulted not from correct releases of companies or IP holders but from unclear release situations, like lost & found and leaks of unclear legality (e.g. by an individual developer on end-of-product-life).

   Title    Original release Source code found or leaked Genre Original developer Additional information
Asteroids 1979 1996 Arcade Atari Source code of Asteroids in the Atari 7800 version was released in physical form by Atari Sunnyvale on their closure 1996. Together with Ms. Pac-Man, Dig Dug, Robotron: 2084 and eight further games reconstructed by the Atari-Museum and published later.[277][278]
Art of Fighting 1992 2014 Fighting game SNK Found in a PC9821 (neogeo dev machine) the full source code of the Art of Fighting ASM 68k source code in 2014.[279][280]
B.O.B. 1993 2008 Side-scrolling game Electronic Arts On September 12, 2008 the source code of the SNES version became available as it was found on an eBay-bought hard drive.[281]
Chicken run 2000 2011 Stealth game Blitz Games In May 2011 the Sega Dreamcast source code became available, found by a collector on a Dreamcast Dev Kit's harddrive.[282][283]
Dark Engine (Thief, Thief II, System Shock 2) 1993 2009/2010 Stealth game Looking Glass Studios In 2009, a complete copy of the Dark Engine source code was discovered in the possession of an ex-Looking Glass Studios employee who was at the time continuing his work for Eidos Interactive.[284] In late April 2010, a user on the Dreamcast Talk forum disassembled the contents of a Dreamcast development kit he had purchased.[285] Later, significant updates for the Dark Engine-based games were published.[286][287][288]
Dark Reign 2 2000 2011 RTS Pandemic Studios Released by a former developer of Pandemic Studios under LGPL to prevent that the game become unsupported Abandonware.[289][290] Legal status unclear.
Donkey Kong 1981 2008 Platformer Nintendo In August 2008 the source code of Donkey Kong in Atari 800 6502 assembly was published at the AtariAge forum by Curt Vendel (the Atari Flashback designer),[291] and was discussed there by the original developer, Landon Dyer.[292]
Double Dragon II: The Revenge 1989 2013 Beat em up Technōs Japan In 2013 the Internet Archive put the undeleted assembly sources (DRGNSRC.LZH) of the DOS version for download.[293]
Eve Online 2003 2011 Space strategy MMO CCP Games On 20 May 2011 someone released the EVE Online source code on a GitHub repository.[294] After the source code was online four days, CCP issued a DMCA take-down request which was followed by GitHub.[295]
Forsaken 1998 2007 6DOF shooter Probe Entertainment In 2007, nine years after the first release, the game itself and its source code were considered abandoned and became available to the public.[296] The game's community took up the game and kept updating and porting the game via a GitHub repository under a GPL license.[297][298]
Mr Nutz 2 1994 2008 Platformer Ocean Software Amiga game, source code prototype associated with Peter Thierolf.[299][300]
Softporn Adventure 1981 ? Text adventure On-Line Systems A comedic, adult-oriented text adventure game produced for the Apple II in 1981. The game was created by Charles Benton and released by On-Line Systems and became later the base for Leisure Suit Larry 1.[301] Source code became available by unknown means, potentially the developer.[302] The PC version was also released later as freeware by Al Lowe.[303]
Turrican III 1994 2008 Run and gun Factor 5 Amiga game, source code prototype associated with Peter Thierolf.[300]
Trespasser 1998 200x Action-adventure, first-person shooter DreamWorks Interactive The fan community got the original source code into hand by unknown means[304] and created modifications and unofficial patches with it.[305][306]
Ultima 9 1999 2014 First person Role-playing video game Origin Systems In November 2014 the Ultima Codex Community was able to acquire the Ultima 9 source code from a former developer for offline archival to prevent permanent loss.[307]
Wing commander series 1990 2011 Space simulator Origin Systems The long lost source code of Wing Commander I was given to the fan-community in August 2011 by a former developer for the purpose of long-time preservation.[308] Later most other parts of the series followed.
Zork and other Infocom games 1977 2008 Adventure game Infocom In 2008 a back-up with the source code of all Infocom's video games appeared from an anonymous Infocom source and was archived by the Internet Archive's Jason Scott.[309][310][311]

When much time and manual work is invested in decompiling, disassembling and reverse engineering the binary executable, it is possible to recover a source code variant which replicates the program's accurately. But, this process will typically lead not to the original source code but to a strongly diverging version as a binary program not represents all informations carried in the original source code: for instance, comments and function names can't be recovered if the program was compiled without additional debug information. The here given in "bottom up" development methodology re-created source-code of games is able to replicate the behaviour of the original game exactly, unlike game engine recreations which are often made in top down methodology resulting in general game engines and not accurately representing the original game.

   Title    Original release Source code by decompilation Genre Original developer Additional information
Albion 1996 2011 Adventure game Blue Byte In 2011 via static recompilation from the original x86 binary executable a port for the ARM architecture of the Pandora handheld was created by fans.[312][313] The community still updates this recompiled version and released also Windows and Linux builds in 2015.[314]
Another World 1991 2011 Platform game Delphine Software International In 2011, Fabien Sanglard analysed Another World by reverse engineering and reconstructed, based on an earlier approach, a complete C++ source code variant of the internal virtual machine.[315][316]
Boulder Dash 1984 2016 Arcade game First Star Software The C64 version was bit accurate reverse engineered by enthusiasts in month long work in 2016.[317][318] The group reverse engineered several more games also from this period, like The Castles of Dr. Creep 3, Miner 2049er, Lode Runner, Manic Miner and Beach Head.[319]
Cannon Fodder 1993 2015 top-down shooter Sensible Software In December 2015, Robert Crossfield released version 1.0 of the reverse engineered DOS CD Cannon Fodder version, under the name "OpenFodder" on github under GPL.[320][321]
Diablo II 2000 2015 Action RPG Blizzard Entertainment In 2015 an unofficial port for the ARM architecture based Pandora handheld became available by static recompilation and reverse engineering of the original x86 version.[322][323]
Digger 1983 1998 Arcade Windmill Software Reverse engineered by Andrew Jenner in 1998, called Digger Remastered, released as GPL and ported for many platforms.[71]
Dungeon Keeper 1997 2005 realtime dungeon simulator Bullfrog Tomasz Lis works on reverse engineering (ongoing) a version called "KeeperFX", the resulting source code is released as GPLv3.[324]
Dune II 1992 2009 Real-time strategy game Westwood Studios In 2009 a group started reverse engineering Dune II under the name OpenDUNE.[325] The resulting code was released under GPLv2 and ported to other platforms like the Pandora.[326]
Dungeon Master 1989 2001 Dungeon crawler FTL Games In 2001 Dungeon Master (and its successor CSB) was released by Paul R. Stevens in a portable reverse engineered version called "CSBwin". CSBwin was reverse engineered from the game's Atari assembler code to a pure C version in months of work.[327][328] In 2014 Christophe Fontanel released another reverse engineering project which tries to recreate all existing versions existing.[329][330]
E.T. the Extra-Terrestrial 1982 2006 Arcade Atari In 2006 decompiled by Dennis Debro.[331][332] Following that, several unofficial fixes for the game were released by a fan site.[333]
Elite 1984 2003 Space trading game Ian Bell, David Braben Christian Pinder created Elite: The New Kind as faithful PC version by reverse-engineering platform-neutral C code from the original BBC Micro version of Elite. This version was withdrawn from the main distribution at David Braben's request in 2003.[334] In September 2014, on Elite's 30th birthday, Ian Bell blessed Elite: The New Kind and re-released it for free on his website.[100][335][336] Source code of the 1.0 version is available on a GitHub repository.[337]
Exile 1988 2012 Action-adventure game Peter Irvin Around 2012 the assembly source code of the BBC Micro version was reconstructed and commented.[338] Later author Peter Irvin blessed also the non-commercial redistribution of the Amiga version of the game.[339]
Frontier: Elite 2 1993 2006 Space trading game Frontier Developments Reverse engineered to C by Tom Morton until 2006.[340]
Frontier: First Encounters (Elite III) 1995 2005 Space trading game Frontier Developments Frontier Developments announced in 2000 that FFE would be open-sourced under a GPL-similar license,[341] but this never happened.[342] In response, in October 2005 the game was reverse engineered by John Jordan and builds for modern operation systems were provided.[343] Updated until December 1, 2009 and later continued by other programmers with builds like "FFE_D3D".[344]
Heart of the Alien 1994 2004 Platformer Interplay Entertainment After Heart of the Alien became unsupported and unavailable, Gil Megidish took up 2004 the effort of extracting a source code variant from the binary game by reverse engineering to make the game available again on modern platforms.[345] The extracted source code was made open-source and is hosted freely available on sourceforge.
Little Big Adventure 1994 2004[346] Action-adventure Adeline Software International Reverse engineered and placed on sourceforge (later GitHub) as "Twin-e" after getting an "OK" by Frederick Raynal.[347][348]
Metroid 1986 ? Run and gun/Action-adventure game Nintendo The NES game was disassembled by the collaborative work of several developers over the course of years.[349][350]
Pokemon Crystal 2001 2014 Role-playing video games Nintendo Reverse engineered assembly of the Game Boy Color game on github.com.[351]
Pong 1972 2012 Arcade game Nintendo The available schematics ("source code") was reconstructed and adapted for modern and available electronic parts to a new PCB design in 2012.[352][353][354]
RollerCoaster Tycoon 2 2002 2014 Business simulation game Chris Sawyer In April 2014 a project to reverse engineer Roller Coaster Tycoon 2 into platform independent C source code, was started under the name OpenRCT2 by Ted 'IntelOrca' John.[355] Hosted as GPLv3 licensed open-source software on GitHub, it requires the original game's graphics and sound assets.[356] As of November 2015, while the project has not fully reached the goal of substituting 100% of the binary's functionality, the port is playable and for many platforms builds are available.
Super Mario Bros 1985 2012 Platformer Nintendo Commented disassembly of SMB on GitHub.[357]
Space Ace 1984 2015 Interactive movie Advanced Microcomputer Systems In July 2015 Rebecca Heineman released a reverse engineered Apple IIGS source code version of Space Ace on GitHub.[358][359]
Starcraft 1998 2014 Real-time strategy Blizzard Entertainment By static recompilation and reverse engineering of the original x86 binary to an intermediate C "pseudo-assembly" source code,[360] an unofficial version for the Pandora handheld and the ARM architecture became available in 2014.[361][362]
Strike Commander 1993 2013 Flight simulator Origin Systems In 2013 a SC reverse engineering project by Fabien Sanglard with a reconstructed source code variant became available on GitHub as the original source code was most probably lost in the take over of Origin by EA (Abandonware).[363][364]
Super 3D Noah's Ark 1994 2015 First person shooter Wisdom Tree In October 2015 a community reconstructed, under usage of already released id software engine code, source code variant became available on bitbucket.[365][366][367]
Syndicate Wars 1996 2010 Real-time tactics Bullfrog Productions In January 2010 a reverse engineering project of the MS-DOS-based Syndicate Wars was finished by two developers and builds for Windows, Mac and Linux were released.[368] It's complete beside networking and joystick code.[369]
Tennis for two 1958 2008 Arcade William Higinbotham In 2008 Tennis for Two, a video game from 1958 and one of the earliest video games,[370] was recreated using partly modern parts.[371]
The Great Escape 1986 2016 Arcade adventure Denton Designs David Thomas started in 2012 a reverse engineering project to create portable C source code from the DOS version's binary, which reached in January 2016 compiling state.[372][373]
Transport Tycoon Deluxe 1994 2004 Business simulation game Chris Sawyer/Microprose In 2003, Ludvig Strigeus started to reverse engineer Transport Tycoon Deluxe and convert the game to C. In 2004, this re-engineered Transport Tycoon Deluxe was released and christened OpenTTD and is still under active development by the community.[374][375]

See also

References

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External links

  1. ↑ A Dark Room goes open source July 3, 2013.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ license.txt "Source code remains property of Black Forest Games GmbH and is free for non-commercial use only."
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ AlienBash_src.readme This code is available under the following license, as stated by Mr. Glen Cumming in the above thread: "I am happy for every scrap of code on my disks to be made available to whoever wants it - I only ask that the really embarrassing stuff is erased (lots) and any potentially libelous messages (or swears) in any of the code/scrolling messages are removed."
  6. ↑ AlienBash I & II - Original Coder Contacted - Help Needed in Rescuing 68000 Source!! on eab.abime.net (2014)
  7. ↑ Alien Breed 3D by john girvin "In March 1997, Team17 released the source code to AB3D’s sequel, “Alien Breed 3D II: The Killing Grounds” (known as TKG), on the cover CD of Amiga Format issue 95. It was megabytes of undocumented, disorganised, messy assembly language. Andy Clitheroe, the lone programmer of both games, must have been some kind of genius, I think. The official release was of the TKG source code. However, when poking around the CD I found the original (and equally messy) AB3D source too." (2009)
  8. ↑ 8.0 8.1 Aliens Vs Predator - Source code update (January 4, 2013)
  9. ↑ AvP/trunk/License.txt The source code to Aliens Vs Predator is copyright (c) 1999-2000 Rebellion and is provided as is with no warranty for its suitability for use. You may not use this source code in full or in part for commercial purposes. Any use must include a clearly visible credit to Rebellion as the creators and owners, and reiteration of this license.
  10. ↑ Akalabeth: World of Doom - Apple II (1979/80) on hardcoregaming101.net "Origin Systems for a time had the original Apple II source code of Akalabeth for download on their website's FTP server"
  11. ↑ aklabeth.zip on uo.com (archived)
  12. ↑ allegiancelicense.txt Microsoft Research Shared Source license agreement ("MSR-SSLA")
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ DOSAnacreonSource20.zip
  15. ↑ Ares on amrosiasw.com
  16. ↑ Antares on arescentral.org
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ a_source on asylum.acornarcade.com
  19. ↑ sdl-asylum on sourceforge.net
  20. ↑ asylum on github.com
  21. ↑ jeff-minters-unreleased-konix-multisystem-port-of-attack-of-the-mutant-camels-preserved-a-due-for-release on retrocollect.com (2012)
  22. ↑ AOTMC89 "Konix Multisystem - Attack Of The Mutant Camels '89 V0.4 - Source Code" on github.com
  23. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  24. ↑ Aztaka Developer’s Edition on amanitadesign.com (January 7, 2011)
  25. ↑ Aztaka Developer's Edition Released on gamershell.com (January 10, 2011)
  26. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  27. ↑ source code archive of Chris Shrigley
  28. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  29. ↑ Blades of Exile Source Code on spiderwebsoftware.com
  30. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  31. ↑ source code of Blake Stone with license
  32. ↑ sourceforge.net/projects/raceintospace
  33. ↑ 33.0 33.1 CopyrightInfo.txt
  34. ↑ 34.0 34.1 34.2 Lua error in package.lua at line 80: module 'strict' not found.
  35. ↑ FlatRockSoft on github.com
  36. ↑ Call-to-Power-II-Source-Code-End-User-License-Agreement
  37. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  38. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  39. ↑ GAME_LICENSE.TXT
  40. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  41. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  42. ↑ cartlife_opensores.zip
  43. ↑ (Polish) Announcement on Polish fan community page
  44. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  45. ↑ David Kinder's guide to Adventure downloads at the Interactive Fiction Archive
  46. ↑ Colossal Cave Adventure Source Code on jerz.setonhill.edu (2007)
  47. ↑ Let's get Keen Dreams re-released legally !
  48. ↑ commander-keen-keen-dreams-source-code-released on slashdot.org
  49. ↑ Keen source code on GitHub
  50. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  51. ↑ Conquest: Frontier Wars on GOG on robertsspaceindustries.com
  52. ↑ 52.0 52.1 Lua error in package.lua at line 80: module 'strict' not found.
  53. ↑ Crytek's Video Game Engine Is Now Free by Jason Schreier on Kotaku (15-03-2016)
  54. ↑ CryEngine V releases today on a pay-what-you-want basis by Shaun Prescott on PC Gamer (March 16, 2016)
  55. ↑ Crystal Mines (Source Code) (NES Game) on pdroms.de (Aug 26, 2011)
  56. ↑ Post subject: Crystal Mines Source Code Released on nesdev.com (August 2011)
  57. ↑ Crystal%20Mines%20(NES)%2011151989%20Version.zip in "Crystal Mines License.txt" "Ken's license: - The name "Crystal Mines", the graphics, sound, music, and the levels are NOT open source. People other than me worked on them, and for that version of the game actually got royalties and still have ownership. It's OK to possess them for personal use, but they can't be reused in a new game or distributed for profit. - As the sole author of the code, I (Ken Beckett) will allow the source code for the NES version to be used in other works, provided that: A) Credit is given to 'Ken Beckett' in both the portions of re-used source code AND in the credits of the new game, and B) That the code is modified sufficiently such that the new game is not easily recognizable as being Crystal Mines with new graphics/sound/music. -Ken"
  58. ↑ cylindrix on hardgeus.com (archived)
  59. ↑ Cylindrix on github.com
  60. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  61. ↑ daikatana 1.3 on bitbucket.com
  62. ↑ Palestar. "Medusa Engine License", retrieved January 22, 2010.
  63. ↑ Drafell. "Medusa Engine Source Code Released", DarkSpace Development Blog, June 21, 2009.
  64. ↑ D2X-XL sourceforge repository
  65. ↑ https://github.com/OpenSourcedGames/Descent-2/blob/master/README.TXT
  66. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  67. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  68. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  69. ↑ digsrc_orig.zip
  70. ↑ whatsnew.html on Digger.org
  71. ↑ 71.0 71.1 download on digger.org
  72. ↑ Dink-Smallwood-Source-License
  73. ↑ Dink-Smallwood-Source-License Please keep in mind while I'm sharing the source, I am not sharing the media, if you would like to use or distribute the Dink Smallwood artwork, this requires express permission.
  74. ↑ http://www.dinknetwork.com/file/dink_smallwood_source_code/
  75. ↑ Find free sounds for FreeDink
  76. ↑ Freeware releases "The rights situation has been resolved, and Terry Pratchett and his agent Colin Smythe have approved the source release and future freeware re-issuing of the game. We are currently awaiting receipt of the engine source code." on adventure-treff.de (2005, in German)
  77. ↑ Discworld Source Code Retrieved – ScummVM Developers Thrilled and Already Coding by James Woodcock (May 2008)
  78. ↑ discworld-revisited 2008-07
  79. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  80. ↑ Dragonfire source on atariage.com
  81. ↑ Dragonfire Source Code at atariage.com "Really, it was Bob that wanted his source in the public domain." (2003)
  82. ↑ [stella] Source code for Dragonfire from Bob Smith on biglist.com
  83. ↑ 83.0 83.1 Source Code
  84. ↑ History of DROD
  85. ↑ deadly-rooms-of-death
  86. ↑ Grant of license to reproduce Dungeons of Daggorath by Douglas J. Morgan "I hereby grant a non-exclusive permanent world-wide license to any and all Color Computer site administrators, emulator developers, programmers or any other person or persons who wish to develop, produce, duplicate, emulate, or distribute the game on the sole condition that they exercise every effort to preserve the game insofar as possible in its original and unaltered form. [...] Anyone willing to pay for the copying of the listing (at Kinko's) and shipment to them, who intends to use it to enhance or improve the emulator versions of the game is welcome to it."
  87. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  88. ↑ Project Page for Dungeons of Daggorath PC-Port by Richard Hunerlach (August 28, 2002, archived)
  89. ↑ DoD for Linux 0.51 Linux version with source code (2012)
  90. ↑ http://riscos.blog.com/2012/06/02/games-corner-dungeons-of-daggorath-port-released/
  91. ↑ psp-homebrew-dungeons-of-daggorath
  92. ↑ Eat The Whistle goes GPL! (archived)
  93. ↑ Eat the Whistle
  94. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  95. ↑ Eldritch-Source-2014-04-14.zip
  96. ↑ Ian Bell's Elite pages - November 1999 : Elite 15th Anniversary - Released the program sources
  97. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  98. ↑ David Braben's Legal Threats to the Elite Home Page on Ian Bell's webpage (updated 19/09/14)
  99. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  100. ↑ 100.0 100.1 Lua error in package.lua at line 80: module 'strict' not found.
  101. ↑ Empire Interactive (Europe) Limited Licence Agreement for Razorworks' "Enemy Engaged RAH-66 Comanche Versus KA-52 Hokum"
  102. ↑ EECH DevZone
  103. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  104. ↑ source code mirror at atomicgamer.com
  105. ↑ get-your-very-own-free-and-legal-copy (January 2006)
  106. ↑ 106.0 106.1 Lua error in package.lua at line 80: module 'strict' not found.
  107. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  108. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  109. ↑ You can get it here. on thatgamecompany.com by Jenova (Sep 21, 2009)
  110. ↑ flOw.source.zip on jenovachen.com
  111. ↑ Free Fall on Ian Bell's website " I wrote Free Fall in 1982/3 for the BBC Micro. It was published by Acornsoft in 1983. I like to describe Free Fall as the first ever beat-em-up so as to claim, with tongue somewhat in cheek, to have invented two gaming genres."
  112. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  113. ↑ Brány Skeldalu (aka The Gates of Skeldal) is ready for testing on trisquel.info
  114. ↑ skeldal on sourceforge.net
  115. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  116. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  117. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  118. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  119. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  120. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  121. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  122. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  123. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  124. ↑ contact on irrgheist.com (archived)
  125. ↑ H-Craft Championship Purchase "In order to purchase H-Craft Championship please visit our reseller www.Manifestogames.com" (2007)
  126. ↑ H-Craft Championship CDnavigator.ru
  127. ↑ H-Craft Championship Freeware release announcement in Reddit
  128. ↑ H-Craft Championship Irrgheist News, February 25, 2015
  129. ↑ H-Craft Championship - H-Craft Source Code on irrgheist.com
  130. ↑ Double Fine Releases Source Code for Hack ‘n’ Slash by Garrett Glass (on September 11, 2014)
  131. ↑ Hack ‘n’ Slash Leaves Early Access, Brings Source Code on Rock, Paper, Shotgun by Ben Barrett (September 10th, 2014)
  132. ↑ Hacker Evolution Source code
  133. ↑ http://www.homeworldsdl.org/LICENSE.txt
  134. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  135. ↑ https://raw.github.com/HoverRace/HoverRace/master/license.txt
  136. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  137. ↑ Source Code License (2008-11-29)
  138. ↑ In Pursuit of Greed (Game + Source)
  139. ↑ Latest Patches on ironseed.com (March 24, 2013)
  140. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  141. ↑ 141.0 141.1 Kiloblaster_and_Xargon_Freeware_License
  142. ↑ Kiloblaster Allen Pilgrim declared Kiloblaster freeware and released the source code.
  143. ↑ Xargon Allen Pilgrim on pyra-handheld.com "I own the copyright for the game and have released the entire trilogy as freeware. The source code is also released as freeware. I am perfectly fine with people creating ports of the game and using all the assets for those ports. What I do not authorize is someone taking the assets and creating a new game."
  144. ↑ Amiga Games
  145. ↑ Kumquat & Cantaloupe - Full Games and Source on 22 November 2012
  146. ↑ LemminGS source code on brutaldeluxe.fr
  147. ↑ Lugaru goes open source Wolfire Blog, May 11, 2010
  148. ↑ http://hg.libsdl.org/Maelstrom/rev/0e3d2ddd9add
  149. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  150. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  151. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  152. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  153. ↑ https://github.com/KeenSoftwareHouse/Miner-Wars-2081/blob/master/License.txt
  154. ↑ official-license-post on nooskewl.com (Trent, May 13, 2012)
  155. ↑ Monster RPG 2 Now Free and Open Source on nooskewl.com (November 11, 2012)
  156. ↑ 156.0 156.1 Lua error in package.lua at line 80: module 'strict' not found.
  157. ↑ migalley.exe source code mirror
  158. ↑ Mr.Do! GameBoy source text file by Wesley Knackers (2007, archived)
  159. ↑ Mr. Do! on pauliehughes.com
  160. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  161. ↑ Myth II 1.7.2 Released for Linux! (28 Feb 2012)
  162. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  163. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  164. ↑ Unknown Worlds unleashes Natural Selection source code By Jenna Pitcher on Jan 23, 2014 at Polygon.com
  165. ↑ nanosource on pangeasoft.net
  166. ↑ No Gravity (Classic) on sourceforge.com
  167. ↑ nolf2-source-released-but-to-what-end (July 2011)
  168. ↑ Sierra has released the No One Lives Forever 2 Toolkit on gamershell.com
  169. ↑ Paradox Interactive - Penumbra: Overture premieres game on Gamer's Gate
  170. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  171. ↑ Three Atari 8-bit games source code have been released on commodore.ninja by Paulo Garcia (on Jan 5, 2016)
  172. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  173. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  174. ↑ parallelrealities.co.uk/LICENSE LICENSE webarchive versions
  175. ↑ Debian bug #546800 - RM: starfighter -- RoM; copyright infringement on bugs.debian.org
  176. ↑ source/ on ftp.idsoftware.com
  177. ↑ Official PuppyGames Blog
  178. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  179. ↑ http://pc.ign.com/articles/081/081882p1.html
  180. ↑ roboforge on ign.com
  181. ↑ source on sroboforge.altervista.org
  182. ↑ source code mirror
  183. ↑ RuneSword 2 FREE! on crosscutgames.com (2004-04-17)
  184. ↑ runesword 2 on sourceforge.com
  185. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  186. ↑ Free Ryzom campaign (archived)
  187. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  188. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  189. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  190. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  191. ↑ Newerth Savage XR - About us on newerth.com "In 2007 Newerth.com acquired the source code for Savage: The battle for Newerth and announced its continued development with the implementation of new features and content into the game via a patch named XR, incorporating previous community modifications."
  192. ↑ Croteam Open-Sources The Serious Engine by Michael Larabel on Phoronix (11 March 2016)
  193. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  194. ↑ 7kfans.com/?p=96
  195. ↑ enlight.com/7k/
  196. ↑ Shadowgrounds license on code.google.com
  197. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  198. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  199. ↑ micropolis license on donhopkins.com
  200. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  201. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  202. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  203. ↑ news archived 2000
  204. ↑ snowboarding-soul-ride-engine-goes-gpl on slashdot.org
  205. ↑ 20 Jan 2003 - Soul Ride Engine goes GPL on soulrider.com
  206. ↑ http://www.doublefine.com/forums/viewthread/15918/#369949
  207. ↑ derelictgames / Spacebase V2 Updated Code on gitlab.com "This is a community maintained fork of DoubleFine's original game, which was open sourced May 12, 2015 under the Common Public Attribution License"
  208. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  209. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  210. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  211. ↑ SpaceEngineers on GitHub
  212. ↑ 212.0 212.1 LICENSE.DOC on github.com/id-Software/wolf3d
  213. ↑ Speed Haste Game Source Code on github.com (February 13, 2012)
  214. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  215. ↑ AtariStarRaidersSourceCode on the Internet Archive (October 16, 2015)
  216. ↑ Star Raiders (Version 25.1/Stardate "26-JUL-79") on github.com/XioNYC
  217. ↑ Starraiders on github.com/lwiest
  218. ↑ Elite Force 2 - Quellcode veröffentlicht PC Games (06 November 2003)
  219. ↑ Elite Force I and II Tools and File - Elite Force II EF2 Source Code on eliteforce.gamebub.com
  220. ↑ 220.0 220.1 Lua error in package.lua at line 80: module 'strict' not found.
  221. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  222. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  223. ↑ sais After being sold for several years by Cheapass Games, Strange Adventures in Infinite Space was released as free software and its source code was made available under the GNU General Public License. Go to the Strange Adventures in Infinite Space website to download the game, source code and various other goodies
  224. ↑ stellar_frontier_source_eula.txt STARDOCK SHARED SOURCE STELLAR FRONTIER LICENSE (mirror)
  225. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  226. ↑ Stellar Frontier Development Log on nexus.stellarfrontier.net/
  227. ↑ TelengardListing.pdf on atarihq.com
  228. ↑ Telengard Remaster 1.1 on the C-64 scene database (2016)
  229. ↑ CastleDoctrine on sourceforge.net
  230. ↑ Castle Doctrine on store.steampowered.com
  231. ↑ Der Clou! Quellcode veröffentlicht on dlh.net (in German, 13 July 2000)
  232. ↑ Spieleklassiker: Der Clou (1994) by Patrick Jedamzik (in German, 26 December 2006)
  233. ↑ cosp.sourceforge.net/
  234. ↑ 1980-07-recreational-computing.pdf
  235. ↑ Game 90: The Wizard's Castle (1980) on crpgaddict.blogspot.de (February 25, 2013)
  236. ↑ The Wizard's Castle windows port by derelict (2004)
  237. ↑ The-Puzzle-Pits on github.com
  238. ↑ Treasures of a Slaver's Kingdom
  239. ↑ tag:C source available on ifdb.tads.org
  240. ↑ 240.0 240.1 240.2 Lua error in package.lua at line 80: module 'strict' not found.
  241. ↑ 241.0 241.1 Lua error in package.lua at line 80: module 'strict' not found.
  242. ↑ aquaplus-sources on github.com
  243. ↑ GarageGames to Release T3D as Open Source on GarageGames (Eric Preisz 2012-10-09)
  244. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  245. ↑ Tribes 1 and 2 source code anywhere on garagegames.com (2013-01-04)
  246. ↑ Triplane Classic on sourceforge.net
  247. ↑ Triplane Classic - a side-scrolling dogfighting game on github.com
  248. ↑ Free game graphics: Tyrian ships and tiles Daniel Cook (2007-04-04)
  249. ↑ Lost garden license
  250. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  251. ↑ Epic’s Tim Sweeney Says That Unreal Engine 1 May One Day Go Open Source on dsog.com by John Papadopoulos (January 19, 2015)
  252. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  253. ↑ The Source Code We get bored easily and once we've finished a game we want to work on something completely different. But wait, what if there's other cool stuff that could be done that we left out? If you are a programmer you can take any of our games to the next level by becoming a developer. Buy access to our hosted SVN repo and get forum access to chat about your mods with the rest of the community.
  254. ↑ Escape from Mount Drash on peroxide.dk "was ported from the Vic20 to PC by Telemachos. Included in the download is the sourcecode for the project. Mount Drash 0.4 Mb .zip" (2003)
  255. ↑ Vangers on github.com (2016)
  256. ↑ Wander (1974) — a lost mainframe game is found! on April 22, 2015
  257. ↑ Wander (1974) release, and questions answered
  258. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  259. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  260. ↑ Unofficial Patches on patches-scrolls.de
  261. ↑ links to prominent mods and unofficial patches for WBC3 on gog.com (2014)
  262. ↑ license on github.com/codeka
  263. ↑ shutting down "The game had about 45,000 downloads in total. At it's peak, there were about 2,000 7-day active players and I was making around $150 per month."
  264. ↑ war-worlds-is-shutting-down on war-worlds.com
  265. ↑ wwmmo on github.com
  266. ↑ Warfare Incorporated has been open sourced on warfareincorporated.com by Scott Lu (2014)
  267. ↑ hostile-takeover on github.com
  268. ↑ Warfare Incorporated now Open Source Hostile Takeover on pyra-handheld.com (2015)
  269. ↑ Updated GPL release readme Post by jaywalker_eidos » 11 Jun 2008, 16:53
  270. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  271. ↑ world-train-royale on gamersgate.com
  272. ↑ world-train-royale-is-free-as-in-beer-and-speech on versus-software.com (2011)
  273. ↑ trainroyale on sourceforge.com
  274. ↑ Allen Pilgrim declared Xargon freeware and released the source code. on classicdosgames.com
  275. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  276. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  277. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  278. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  279. ↑ Art of Fighting Source Code for Neogeo (044)
  280. ↑ source code
  281. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  282. ↑ Sega Dreamcast: Chicken Run Source Code on asssemblergames.com (2011)
  283. ↑ Chicken Run (2000)(Source Code) on bananabreak-rips.blogspot.de (2011/05/05)
  284. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  285. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  286. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  287. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  288. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  289. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  290. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  291. ↑ Donkey Kong source code at AtariAge.com
  292. ↑ Donkey Kong source code "I think it's pretty cool that this is finally released. Have fun. (Curt should find Super Pac-Man and do that one, too...)"
  293. ↑ DragonII on archive.org
  294. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  295. ↑ dmca/2011-05-24-cpp-virtual-world-operations.markdown
  296. ↑ ProjectX brings Forsaken on modern systems and lets you to free play at 1920 x 1080 (30.03.2013)
  297. ↑ ForsakenX
  298. ↑ license on GitHub.
  299. ↑ code-source-mr-nutz-2 on assemblergames.com
  300. ↑ 300.0 300.1 amiga source on gilgalad.arc-nova.org
  301. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  302. ↑ softporp.zip on ifarchive.org
  303. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  304. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  305. ↑ Patches on trescom.org
  306. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  307. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  308. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  309. ↑ GET LAMP Raw Interviews Pretty Much Up on ascii.textfiles.com by Jason Scott (3 December 2012)
  310. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  311. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  312. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  313. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  314. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  315. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  316. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  317. ↑ commodore-64-rem-the-lost-art-of-source-code-archeology on commodore.ninja by Paulo Garcia (Mar 6, 2016)
  318. ↑ Boulder Dashes ReM (2016) on csdb.dk (2016)
  319. ↑ Reengine & Mod (ReM) on csdb.dk
  320. ↑ OpenFodder - Open sourced Cannon Fodder gets a big 1.0 release! on indieretronews.com
  321. ↑ Releases on github.com
  322. ↑ Diablo II Running on Open Pandora! on PandoraLive (22 November 2015)
  323. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  324. ↑ keeperFX
  325. ↑ OpenDUNE on github.com
  326. ↑ dunedynasty on repo.openpandora.org
  327. ↑ Chaos Strikes Back for Windows (and Linux, MacOS X, Pocket PC) on Dungeon Master Encyclopedia (2005-10-24)
  328. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  329. ↑ Back to the source: ReDMCSB by Christophe Fontanel (18-Jan-2014)
  330. ↑ Is it possible to reverse engineer software without its source code? on quora.com by Doug Bell "lead developer of "Dungeon Master": Yes. Here's an example."
  331. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  332. ↑ E.T. the Extra-Terrestrial(1982) Atari 2600 Source Code on pastebin.com
  333. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  334. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  335. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  336. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  337. ↑ newkind on GitHub.
  338. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  339. ↑ Exile on thunderpeel2001.com/exile "Email from Peter Irvin (creator of Exile): Yes I've recently decided to allow old versions of Exile to be downloaded for emulation under certain conditions: [...]"
  340. ↑ GLFrontier Project Page!!!1 on noflag.org.uk "This WAS the Atari ST version of the game Frontier: Elite 2 by the great man mentioned previously. It was disassembled, OS calls and hardware access removed, and originally run on a stripped down ST emulator (Hatari). Now it is compiled to C or native x86, and run much faster without 68K emulation. Most recently it has been modified to draw stuff with OpenGL at any shiny resolution with 8xAA, etc. A dandy evolution for a crappy old Atari ST game."
  341. ↑ News on eliteclub.co.uk "8th November 2000 - Following much discussion on the subject of open-source by the Elite community, we have decided to make some alterations to our previous plans for the Elite Club - we are going to relax some of the restrictions we were intending to put on the distribution of the source code. The source code will now be distributable more freely, under a licence agreement similar to the GPL (GNU Public Licence)."
  342. ↑ Welcome Commander,to the AmigaFFE Project "after I have seen the announcement of a release of the Sources of Frontier Elite II and Frontier First Encounters on the Eliteclub-Website http://www.eliteclub.co.uk,I was very happy with it. Now it is 2001 (around 2 years since the announcement) and they still haven't released it"
  343. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  344. ↑ FFE_D3D on alioth.net
  345. ↑ Heart of the Alien Redux on sourceforge.net
  346. ↑ Twin-e on sourceforge
  347. ↑ Twine-e on GitHub.
  348. ↑ 'Alone in the Dark 1' recode released - v0.1 on vogons.org
  349. ↑ MetroidMMC3 on github.com
  350. ↑ Metroid Source Code on metroid-database.com
  351. ↑ pokecrystal on github.com
  352. ↑ fabricating-hardware-from-the-original-arcade-pong-schematics
  353. ↑ Pong on atarihq.com
  354. ↑ Pong Reborn
  355. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  356. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  357. ↑ A COMPREHENSIVE SUPER MARIO BROS. DISASSEMBLY on GitHub by doppelganger
  358. ↑ spaceace iigs on GitHub.
  359. ↑ Space-Ace on whatisthe2gs.apple2.org.za
  360. ↑ Release: Starcraft on pyra-handheld.com "As you can see it doesn't look much different from x86 disassembly, the only difference is that you can compile it for other 32bit archs (there is no way it would work on 64bit.."
  361. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  362. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  363. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  364. ↑ libRealSpace on GitHub
  365. ↑ S3DNA DOS Source Code Reconstructed on 28. August
  366. ↑ https://bitbucket.org/NY00123/gamesrc-ver-recreation/src/a57d87f5102a/w3d_plus/?at=default
  367. ↑ Re: Restoration of a few games' EXEs versions
  368. ↑ 2010-01-26: Syndicate Wars Port - a reverse-engineering tale
  369. ↑ About "Syndicate Wars Port is a port of the 1996 DOS game Syndicate Wars to modern operating systems. In particular, it runs on GNU, Mac OS and Windows, but it should also work on any system supported by the SDL library on the i386 architecture."
  370. ↑ The First Video Game? Schematics
  371. ↑ Resurrecting Tennis for Two, a video game from 1958 by Windell Oskay on evilmadscientist.com (July 16, 2008)
  372. ↑ The-Great-Escape on github.com/dpt
  373. ↑ The Great Escape slides by David Thomas
  374. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  375. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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