List of game engine recreations

Game engine recreation is a type of video game engine remastering process wherein a new game engine is written from scratch as a clone of the original with the full ability to read the original game's data files. The new engine reads the old engine's files and, in theory, loads and understands its assets in a way that is indistinguishable from the original. The result of a proper engine clone is often the ability to play a game on modern systems that the old game could no longer run on. It also opens the possibility of community collaboration, as many engine remake projects tend to be open source.

See also: List of open-source video games § Open-source remakes with non-free content from the proprietary original

In most cases a clone is made in part by studying and reverse engineering the original executable, but occasionally, as was the case with some of the engines in ScummVM, the original developers have helped the projects by supplying the original source code—those are so-called source ports.

Video game Name of game engine recreation Status License Refs
Development Playable
Abuse Abuse Completed GPLv2, WTFPLv2
Age of Empires Chariot Inactive MIT License [1]
Age of Empires II openage Active GPLv3+[2]
freeaoe Active GPLv3+ [3]
Aliens versus Predator (1999) avp ? ? ?
avp_GLES ? ? ?
Alone in the Dark Free in the Dark Inactive ? GPLv2[4]
Alone in the Dark 2
Alone in the Dark 3
Jack in the Dark
Ambermoon Ambermoon.net Active GPL
Another World New RAW Inactive ? GPLv2+
raw (Rewritten engine for Another World) Inactive ? GPLv2+[5]
rawgl Active ? ?
Arcanum: Of Steamworks and Magick Obscura OpenArcanum ? ? ?
Arx Fatalis Arx Libertatis Active GPLv3+ [6][7]
Bermuda Syndrome Bermuda Syndrome engine reimplementation ? ? ?
Betrayal at Krondor xBaK ? ? ?
Blood Omen: Legacy of Kain Blood Omnicide ? ? ?
BVE Trainsim openBVE Completed Public-domain
Caesar III CaesarIA Inactive ? GPLv3+ [8]
Julius Completed ? AGPLv3 [9]
Cannon Fodder Open Fodder Completed GPLv3+
Cannon Fodder 2
Carmageddon OpenC1 ? ? ?
The Castles of Dr. Creep Castles of Dr. Creep Completed GPLv3+
Catacomb Abyss CatacombGL Active GPL
Catacomb Armageddon
Catacomb Apocalypse
Cave Story NXEngine ? ? ?
Chaos;Head FGRE Active ? GPLv3+
Steins;Gate
Chasm: The Rift PanzerChasm Inactive GPLv3 [10]
Clannad xclannad ? ? ?
Command & Conquer Tiberian Dawn FreeCNC Inactive GPLv2 [11]
OpenRA Active GPLv3[12] [13]
Command & Conquer: Generals – Zero Hour Thyme Active GPL [14]
OpenSAGE Active LGPL [15]
Command & Conquer: Red Alert FreeRA Inactive GPLv2 [16]
OpenRedAlert

based on FreeCNC and FreeRA

 Inactive GPLv2 [17]
Red Alert++ / Chronoshift[18] Inactive GPLv2 [19] [20][21]
OpenRA Active GPLv3[12]
Commander Keen series Keen Dreams Inactive ? GPL
Commander Keen in Goodbye, Galaxy Omnispeak Inactive ? GPL
Commander Keen in Keen Dreams Commander Genius Active ? GPL
Reflection Keen Active ? GPL
Creatures openc2e Active ? LGPL [22]
Curse of the Azure Bonds coab (Curse of the Azure Bonds) Inactive New BSD
The Daedalus Encounter OpenDaed Inactive ? GPL
Death Rally DreeRally Active ? Public-domain
dRally Active ? ?
Desert Strike: Return to the Gulf OpenStrike Inactive ? GPL
Jungle Strike: The Sequel to Desert Strike
Diablo Freeablo ? GPL [23]
Devilution Active Public-domain with non-commercial clause [24]
DevilutionX Active Public-domain with non-commercial clause [25]
djavul Inactive ? Unlicense
Die by the Sword Die by the Sword – Xtended ? ? ?
Dink Smallwood GNU FreeDink Completed GPL
Doom DelphiDoom, Doomsday, Doom Legacy, ZDoom, ZDaemon,
GZDoom, Zandronum, Chocolate Doom, Eternity, and many more.		 Completed ? ?
Dragon Age II xoreos
(Bioware's Aurora engine and its derivatives)		 Active ? GPL
Dragon Age: Origins ?
Jade Empire ?
Neverwinter Nights ?
Neverwinter Nights 2 ?
Sonic Chronicles: The Dark Brotherhood ?
The Witcher ?
Star Wars: Knights of the Old Republic reone Active ? GPL [26]
xoreos Active ? GPL
Star Wars Knights of the Old Republic II: The Sith Lords reone Active ? GPL [26]
xoreos Active ? GPL
Dragon Wars OpenDW Active ? ISC license [27]
Driver 2 REDRIVER2 Completed MIT License [28]
Duke Nukem FreeNukum Active ? AGPLv3+ [29][30]
ReDuke Inactive ? ?
Duke Nukem II Rigel Engine Active ? GPL
Duke Nukem 3D EDuke32 Active GPL [31][32]
Dune II DuneLegacy Active ? GPL [33]
OpenDUNE Active ? GPL
Dune Dynasty Inactive ? GPL
Dungeon Keeper KeeperFX Active GPLv2+
Dungeon Keeper 2 OpenKeeper Active ? GPLv3+
GLKeeper Inactive MIT License
The Elder Scrolls I: Arena OpenTESArena Active MIT License [34]
The Elder Scrolls II: Daggerfall XLEngine (DaggerXL) Inactive ? MIT License [35]
XL Engine (DaggerXL) Inactive ? MIT License [36][37][38][39]
Daggerfall Unity Active MIT License [40][41][42]
The Elder Scrolls III: Morrowind Project Aedra Inactive ? as-is [43]
OpenMW Active GPL
The Crystal Scrolls Inactive ? LGPL
ELF Corporation ANISE ? ? ? [44]
Elite Elite – The New Kind ? ? ?
Elite : Harmless Active ? CC BY-NC-SA 4.0
Escape from Colditz Colditz Escape Completed ?
EverQuest LanternEQ ? ?
Eye of the Beholder II ArcEngine ? ? ?
Spectalum ? ? ? [45]
F-1 Spirit F1-Spirit Remake ? ? ? [46]
Fade to Black f2bgl ? ? ?
Fallout Falltergeist Inactive ? GPL
Fallout 2 ?
Fallout 2 DarkFO Inactive ? Apache 2.0
Final Fantasy VII Q-Gears Inactive ? GPLv2
Final Fantasy VIII OpenVIII Active ? MIT License
Fish Fillets Fish Fillets NG Completed GPL
Flashback: The Quest for Identity REminiscence ? ? ?
Freelancer Librelancer Active ? MIT License
Frontier: Elite II Frontier 1337 ? ? ?
GLFrontier ? ? ?
Frontier: First Encounters jjFFE ? ? ?
Gothic REGoth Inactive ? GPL
REGoth-bs Active ? MIT License
Gothic II REGoth Inactive ? GPL
REGoth-bs Active ? MIT License
OpenGothic Active MIT License [47]
Grand Theft Auto OpenGTA Inactive non-commercial restrictions [48]
Grand Theft Auto 2 GTA2NET Inactive MIT [49]
Grand Theft Auto 3 re3 (reverse engineered) Active ? [50]
Grand Theft Auto: Vice City re3 (reverse engineered) Active ? [50]
The Great Escape The Great Escape Active ?
The Great Giana Sisters OpenGGS Active ? GPL [51]
Heart of Darkness HODe Completed ? [52][53]
Heart of the Alien Heart of The Alien Redux Inactive ? GPL
Heretic ZDoom, Doomsday Completed ?
Heroes of Might and Magic II fheroes2 Active GPLv2 [54]
Heroes of Might and Magic III VCMI project Active GPLv2 [55]
Hexen: Beyond Heretic ZDoom, Doomsday Completed ?
Igor: Objective Uikokahonia Igor ? ? ?
Imperium Galactica OpenIG ? ? ?
Jazz Jackrabbit OpenJazz ? ? ?
Jedi engine (Star Wars: Dark Forces, Outlaws) DarkXL Inactive ? [56]
The Force Engine Active GPLv2[57] [58]
J.R.R. Tolkien's The Lord of the Rings, Vol. I Lord of the Rings Engine ? LGPL [59]
KKnD: Krush, Kill 'n Destroy OpenRA Inactive GPLv3 [60]
OpenKKND Inactive ? ? [61]
Knytt Stories knyttds ? ? ? [62]
Lemmings (Windows version) Lemmini Inactive ? ?
Little Big Adventure TwinEngine Inactive ? GPL
Little Big Adventure 2 LBA 2 Engine Inactive ? ?
LBA2 Remake Active ? MIT License
Little Fighter 2 Project-F Inactive GPL [63]
Magic Carpet 2 remc2 Active ? GPL
Marathon Trilogy Aleph One Completed GPL
Master of Orion 1oom Inactive GPL
Master of Orion II: Battle at Antares 2ooM Inactive ? GPL
OpenMOO2 Inactive ? GPL
Medal of Honor: Allied Assault OpenMoHAA Active ? GPLv2 [64]
Mercenary (including Damocles and The Dion Crisis) MDDClone Completed ?
Metroid Prime Metaforce Active MIT License [65]
Metroid Prime 2: Echoes
Metroid Prime 3: Corruption
Donkey Kong Country Returns
Midnight Club II OpenMC2 Active ? GPL
The Legend of Sword and Fairy (also known as PAL) SDLPAL Active ? ?
Magnetic Scrolls adventure games (e.g. The Pawn, Guild of Thieves) Magnetic ? ? ?
ScummVM Active GPL
Might and Magic IV: Clouds of Xeen ScummVM Active GPL
OpenXeen Inactive ? GPL
Might and Magic V: Darkside of Xeen ScummVM Active GPL
OpenXeen Inactive ? GPL
Might and Magic VI: The Mandate of Heaven World of Might and Magic Active ? ?
Might and Magic VII: For Blood and Honor Active ? ?
Might and Magic VIII: Day of the Destroyer Active ? ?
Need For Speed OpenNFS1 Inactive ? ? [66]
Need for Speed III: Hot Pursuit OpenNFS Active ? MIT License [67]
Need For Speed II Need For Speed II SE Active ? MIT License [68]
bishōjo games created by D.O., ZyX, CD Bros., Purple, Will, and ilex such as Crescendo Nekoze ? ? ?
Nicky Boom Nicky Inactive ?
Nuclear War Netnuclear ? ?
Oddworld: Abe's Exoddus R.E.L.I.V.E. Active GPLv2+
Oddworld: Abe's Oddysee
Outcast OpenOutcast ? ? ?
Outpost OutpostHD Active ? Permissive license[69] / proprietary[70]
Panzer General II Open General Active BSD
Prince of Persia FreePrince Inactive ? GPL
SDLPoP Active ? GPL
MININIM ? ? GPL
Redneck Rampage Rednukem Active GPLv2, BUILD engine license
Redneck Rampage Rides Again
Rick Dangerous xrick ? ? ?
RollerCoaster Tycoon FreeRCT (reverse engineered) ? ? ?
RollerCoaster Tycoon 2 OpenRCT2 Active GPL
RPG Maker 2000 EasyRPG Active GPL
RPG Maker 2003
RPG Maker XP mkxp Active GPL
RPG Maker VX
RPG Maker VX Ace
The Settlers Freeserf Active ? GPL
The Settlers II Return to the Roots (RttR) Active GPL
Silencer zSilencer Completed ?
The Sims Simitone Active ? Mozilla Public License [71]
The Sims Online FreeSO Active Mozilla Public License
Project Dollhouse ? ? ?
SimCity 2000 OpenSC2K Inactive GPL [72][73]
SimTower OpenSkyscraper ? ? GPL
StarCraft SCSharp ? ? ?
StarGus with Stratagus ? ? GPL
Strike Commander libRealSpace Inactive ? ?
Stronghold Sourcehold Active ? MIT License [74]
Castlekeep ? ? GPL
Dune 2000
Tiberian Sun
Red Alert 2		 OpenRA Active GPLv3[12] [75][76]
SubSpace Continuum Completed ? [77]
Super Mario 64 Super Mario 64 Active ?
Syndicate FreeSynd Inactive ? GPL
System Shock Shockolate Active GPL [78]
TSSHP (The System Shock Hack Project) Inactive ? BSD
The Temple of Elemental Evil Temple+ Active ? [79]
Theme Hospital CorsixTH Active ?
Titus the Fox OpenTitus ? GPL
Tomb Raider classic series EdisonEngine Active LGPL [80]
OpenRaider ? ? ?
OpenTomb Active LGPL [81]
OpenLara Active BSD [82]
Tomb Raider 5 Decompilation Project Active ? ?
Total Annihilation Spring Engine (with eXtended Total Annihilation or zeroK) ? GPL
Total Annihilation 3D Completed ? ?
Touhou 6 ~ The Embodiment of Scarlet Devil PyTouhou ? GPL
Transport Tycoon Deluxe OpenTTD (reverse engineered) Active GPL
Tyrian OpenTyrian ? ? ?
freescape engine used for games like Driller and Castle Master Phantasma ? ? ?
Dungeon Master, Chaos Strikes Back, and Dungeon Master II Chaos Strikes Back for Windows
(and Linux, MacOS X, Pocket PC) (reverse engineered)		 Completed ?
RTC ? ?
GoldSrc-compatible (Half-Life 1) game engine Xash, Sing ? ?
Key dating sim games Waffle ? ? ?
adventure games created with World Builder wage ? ? ?
Key ren'ai games using the AVG32 engine, especially Kanon, Air and Clannad xkanon Inactive ? GPL
RLVM Active GPL
Adventure Game Interpreter (AGI) engine by Sierra adventure games NAGI ? ? ?
SCI engine FreeSCI ? ? ?
Adventure Game Interpreter (AGI) engine, Cinématique, Gob, Groovie, Kyra ScummVM
ScummVM-supported games		 ? GPL [83]
Multimedia Applications Development Environment (MADE engine) ? GPL [83]
SCUMM ? GPL [83]
Sierra's Creative Interpreter (SCI) ? GPL [83]
M4, Parallaction, and others ? GPL [83]
Grim Fandango (GrimE-based) ResidualVM

ScummVM

? GPL [84]
Escape from Monkey Island ? GPL [84]
Myst III: Exile ? GPL [84]
The Longest Journey Active GPL [85]
Baldur's Gate (Infinity Engine-based) GemRB Active GPL [86]
Baldur's Gate II: Shadows of Amn
Icewind Dale
Icewind Dale II
Planescape: Torment
System Shock 2 OpenDarkEngine (i.e., not The Dark Mod), NewDark Inactive GPL [87][88]
Thief: The Dark Project (Dark Engine-based) Inactive GPL
Thief II: The Metal Age Inactive GPL
UFO: Enemy Unknown OpenXcom Completed GPL [89]
X-COM: Terror from the Deep
X-COM: Apocalypse OpenApoc Active ? MIT License
Ultima IV: Quest of the Avatar xu4 Inactive GPL
ScummVM Active GPL
Ultima VI: The False Prophet Nuvie Inactive GPL
ScummVM Active GPL
Ultima VII: The Black Gate Exult Active GPL [90]
Ultima VII Part Two: Serpent Isle
Ultima VIII: Pagan Pentagram Inactive GPL
ScummVM Active GPL
Ultima Online CrossUO Active ? GPL
Ultima Online on Freeshards Iris2 ? ? ?
Ultima Underworld: The Stygian Abyss Underworld Adventures Active ? GPL
Urban Assault UA_source ? GPL [91]
Warcraft: Orcs & Humans Alpha-WC1 ? ? ?
War1gus with Stratagus ? ? ?
Warcraft II: Tides of Darkness Wargus with Stratagus ? ? ?
Wizardry p-interp ? ? ?
Z-machine Frotz, ZIP, JZIP, Zip 2000, Zip Infinity and Nitfol ? ? ?
ScummVM Active GPL
Zak McKracken and the Alien Mindbenders ScummVM Active GPL
Zork Nemesis ScummVM Active GPL
Zork: Grand Inquisitor
Video game Name of game engine recreation Development Playable License Refs
Status

See also

References
  1. "Chariot". GitHub.com. 3 November 2021. Retrieved 7 November 2021.
  2. "openage README". GitHub. 1 September 2020. Archived from the original on 1 September 2020.
  3. "freeaoe". GitHub.com. 3 November 2021. Retrieved 7 November 2021.
  4. "[Fitd-cvs] fitd AUTHORS,NONE,1.1 COPYING,NONE,1.1 [..]". SourceForge. 6 August 2004. Retrieved 1 July 2019.
  5. "raw - Rewritten engine for Another World/Out of this World". 21 April 2004. License found in: release 0.1.0 (2004/04/21) - raw-0.1.0.tar.bz2 - source code. Archived from the original on 5 May 2004.
  6. "Arx Libertatis - a cross-platform port of Arx Fatalis". Arx-libertatis.org. Retrieved 7 November 2021.
  7. "arx/ArxLibertatis". GitHub.com. 6 November 2021. Retrieved 7 November 2021.
  8. CaesarIA on GitHub (Mar 6, 2019)
  9. Julius on GitHub (Mar 6, 2019)
  10. "Panzerschrek/Chasm-Reverse". GitHub. 2 November 2021.
  11. "FreeCNC". Sourceforge.net.
  12. "Legal | OpenRA".
  13. "OpenRA". Openra.net. Retrieved 7 November 2021.
  14. "TheAssemblyArmada/Thyme". GitHub. 2 November 2021.
  15. "Free, open source re-implementation of SAGE". OpenSAGE at GitHub. GitHub. Retrieved 2018-03-12.
  16. "FreeRA". Sourceforge.net.
  17. "OpenRedAlert". Sourceforge.net.
  18. "Chronoshift (a C&C: Red Alert 1 reimplementation project) is now open source!". Reddit.com. 2 November 2018. Retrieved 7 November 2021.
  19. "TheAssemblyArmada/Chronoshift". GitHub. 26 October 2021.
  20. "RedAlert++". Red Alert ++ website. Retrieved 2016-07-04. An open source re-implementation of the C&C Red Alert engine. Written from scratch in C++, using SDL2 and OpenAL
  21. "Red Alert Plus Plus". Facebook. Retrieved 2016-07-04. An open source re-implementation of the C&C Red Alert engine. Written from scratch in C++
  22. openc2e on GitHub
  23. "freeablo". Freeablo.org. Retrieved 7 November 2021.
  24. "Devilution". GitHub. November 2021.
  25. "DevilutionX/README.md at master · diasurgical/DevilutionX". GitHub.
  26. reone on GitHub
  27. OpenDW on GitHub
  28. REDRIVER2 on GitHub
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  30. FreeNukum on crates.io
  31. EDuke32 homepage
  32. "Richard Gobeille / EDuke32". Voidpoint.io. Retrieved 7 November 2021.
  33. Have You Played… Dune II Remake Dune Legacy? on Rock, Paper, Shotgun by Alec Meer (September 19th, 2015)
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  37. "License confirmation". GitHub. 11 April 2018. Retrieved 1 July 2019.
  38. Smith, Adam (2011-11-18). "Mods And Ends: Daggerfall & The XL Engine". Rock, Paper, Shotgun. Retrieved 2013-10-04. [XL Engine] [...] it's a custom-built framework to run old games. Essentially, it totally overhauls them, with all sorts of visual enhancements and improved modding support, so it's almost as if they are being ported onto modern systems.
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  41. Aussie-Made Tools Let You Play Daggerfall In Your Browser (Or Modify It With A Modern Engine) by Logan Booker on kotaku.com (Jan 24, 2015)
  42. One For The Weekend: Daggerfall Tools For Unity by Shaun Green on Rock, Paper, Shotgun (2015-01-25)
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  44. "Project ANISE". www.tomyun.pe.kr. Retrieved 2021-10-20.
  45. "Spectalum". www.eob2remake.com. Retrieved 2019-01-09.
  46. F-1 Spirit remake Archived 2011-07-24 at the Wayback Machine on Brain Games
  47. "OpenGothic". GitHub. 4 December 2021.
  48. "OpenGTA". Ogta.fifengine.de. Retrieved 7 November 2021.
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  59. Lord of the Rings Engine by Michal Benes
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  62. Knytt Stories DS on rodrigoroman.com
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  64. engine source on GitHub (June 19, 2020)
  65. "Metaforce". Metaforce. Retrieved 2021-08-14.
  66. Harris, Jeff (2019-07-06), Remake of the original EA Need for Speed 1 using c# and Monogame: jeff-1amstudios/OpenNFS1, retrieved 2019-07-08
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  68. NFSIISE on github.com
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  70. OutpostHD - An Outpost Redesign - OutpostHD (Formerly known as Outpost:MIA) on outpost2.net "Currently I’m using the original Outpost graphics as created in the early 90s. They are old and primitive with no support for transparency and are in an 8-bit color depth. I’ve been converting them to modern PNG formats and optimizing the sprite sheets for use in a modern graphics engine." (September 27, 2015)
  71. engine source on GitHub (May 14, 2020)
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  77. How Fans Revived 'Subspace,' a Forgotten 20-Year-Old Game About Spaceships by Emanuel Maiberg on vice.com (July 6, 2015)
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  79. "Project Temple+ * RELEASED *". rpg cod ex > for all your explosive cod fishing needs. Retrieved 2019-01-09.
  80. EdisonEngine source on GitHub (February 10, 2022)
  81. OpenTomb source on GitHub (May 29, 2020)
  82. OpenLara source on GitHub (Auf 23, 2020)
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  84. "Debian -- Details of package residualvm in stretch". Packages.debian.org. Retrieved 7 November 2021.
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  86. "changelog [GemRB wiki]". Archived from the original on April 30, 2020. Retrieved 2017-02-13. GemRB is quite complete, especially regarding BG2, BG1 and IWD1 which can be played through. The whole Baldur's Gate saga is completable. There is of course still stuff to be done.
  87. OpenDarkEngine source on GitHub (last commit on May 2018)
  88. NewDark forum post on TTLG
  89. UFO Defense as a valid option for terror by Phil Savage on PC Gamer (May 09, 2013)
  90. Wen, Howard (2003-04-24). "Exult: The Open Age of Ultima". Linuxdevcenter. O'Reilly Media. Archived from the original on 2017-06-13. Retrieved 2016-01-19. Exult replaces Ultima VII's engine so that the game can be played on other operating systems and platforms. It also expands the graphics capabilities of the game and adds features not present under the original engine. (A legal copy of Ultima VII is required in order to use Exult.) Lord British (aka Richard Garriott) himself, the creator of the entire Ultima franchise, has given the Exult team his unofficial blessing.
  91. UA:Source Archived 2018-04-18 at the Wayback Machine on metropolisdawn.com by Zidane (Jun 23, 2016)
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