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
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+
Cave Story NXEngine ? ? ?
Chaos;Head FGRE Active ? GPLv3+
Steins;Gate
Clannad xclannad ? ? ?
Command & Conquer Tiberian Dawn FreeCNC Inactive GPLv2 [10]
OpenRA Active GPLv3[11] [12]
Command & Conquer: Generals – Zero Hour Thyme Active GPL [13]
OpenSAGE Active LGPL [14]
Command & Conquer: Red Alert FreeRA Inactive GPLv2 [15]
OpenRedAlert

based on FreeCNC and FreeRA

 Inactive GPLv2 [16]
Red Alert++ / Chronoshift[17] Inactive GPLv2 [18] [19][20]
OpenRA Active GPLv3[21]
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 Inactive ? GPL
Diablo Freeablo ? GPL [23]
Devilution Active Unlicense [24]
djavul Active ? 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 Active ? GPL
Jade Empire Active ? GPL
Neverwinter Nights Active ? GPL
Neverwinter Nights 2 Active ? GPL
Sonic Chronicles: The Dark Brotherhood Active ? GPL
The Witcher Active ? GPL
Star Wars: Knights of the Old Republic reone Active ? GPL [25]
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]
Duke Nukem FreeNukum Active ? AGPLv3+ [28][29]
ReDuke ? ? ?
Duke Nukem II Rigel Engine Active ? GPL
Duke Nukem 3D EDuke32 Active GPL [30][31]
Dune II DuneLegacy Active ? GPL [32]
OpenDUNE Active ? GPL
Dune Dynasty Inactive ? GPL
Dungeon Keeper KeeperFX Active GPLv2+
Dungeon Keeper 2 OpenKeeper Active ? GPLv3+
GLKeeper Active ? MIT License
The Elder Scrolls I: Arena OpenTESArena Active MIT License [33]
The Elder Scrolls II: Daggerfall XLEngine (DaggerXL) ? ? MIT License [34]
XL Engine (DaggerXL) Inactive ? MIT License [35][36][37][38]
Daggerfall Unity Active MIT License [39][40][41]
The Elder Scrolls III: Morrowind Project Aedra Inactive ? as-is [42]
OpenMW Active GPL
The Crystal Scrolls Inactive ? LGPL
ELF Corporation ANISE ? ? ?
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 ? ? ? [43]
F-1 Spirit F1-Spirit Remake ? ? ? [44]
Fade to Black f2bgl ? ? ?
Fallout Falltergeist Active ? GPL
Fallout 2 Active ? GPL
Fallout 2 DarkFO Active ? 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
Grand Theft Auto OpenGTA Inactive non-commercial restrictions [45]
Grand Theft Auto 2 GTA2NET Inactive MIT [46]
The Great Escape The Great Escape Active ?
The Great Giana Sisters OpenGGS Active ? GPL [47]
Heart of Darkness HODe Completed ? [48][49]
Heart of the Alien Heart of The Alien Redux Inactive ? GPL
Heretic ZDoom, Doomsday Completed ?
Heroes of Might and Magic II fheroes2 Active GPLv2 [50]
Heroes of Might and Magic III VCMI project Active ? GPL
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 ? [51]
The Force Engine Active GPLv2[52] [53]
J.R.R. Tolkien's The Lord of the Rings, Vol. I Lord of the Rings Engine ? LGPL [54]
KKnD: Krush, Kill 'n Destroy OpenRA Inactive GPLv3 [55]
OpenKKND Inactive ? ? [56]
Knytt Stories knyttds ? ? ? [57]
Lemmings (Windows version) Lemmini Inactive ? ?
Little Big Adventure TwinEngine Inactive ? GPL
Little Big Adventure 2 LBA 2 Engine Inactive ? ?
LBA2 Remake Active ? MIT License
Magic Carpet 2 remc2 Active ? GPL
Marathon Trilogy Aleph One Completed GPL
Master of Orion II: Battle at Antares 2ooM Inactive ? GPL
OpenMOO2 Inactive ? GPL
Medal of Honor: Allied Assault OpenMoHAA Active ? GPLv2 [58]
Mercenary (including Damocles and The Dion Crisis) MDDClone Completed ?
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 ? ? ?
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 ? ? [59]
Need for Speed III: Hot Pursuit OpenNFS Active ? MIT License [60]
Need For Speed II Need For Speed II SE Active ? MIT License [61]
bishōjo games created by D.O., ZyX, CD Bros., Purple, Will, and ilex such as Crescendo Nekoze ? ? ?
Nicky Boom Nicky Inactive ?
Nuclear War Netnuclear ? ?
Outcast OpenOutcast ? ? ?
Outpost OutpostHD Active ? Permissive license[62] / proprietary[63]
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 Active GPLv2, BUILD engine license
Rick Dangerous xrick ? ? ?
RollerCoaster Tycoon FreeRCT (reverse engineered) ? ? ?
RollerCoaster Tycoon 2 OpenRCT2 Active GPL
RPG Maker 2000 EasyRPG Active GPL
RPG Maker 2003 Active GPL
RPG Maker XP mkxp Active GPL
RPG Maker VX Active GPL
RPG Maker VX Ace Active GPL
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 [64]
The Sims Online FreeSO Active Mozilla Public License
Project Dollhouse ? ? ?
SimCity 2000 OpenSC2K Inactive GPL [65][66]
SimTower OpenSkyscraper ? ? GPL
StarCraft SCSharp ? ? ?
StarGus with Stratagus ? ? GPL
Strike Commander libRealSpace Inactive ? ?
Stronghold Sourcehold Active ? MIT License [67]
Castlekeep ? ? GPL
Dune 2000
Tiberian Sun
Red Alert 2		 OpenRA Active GPLv3[68] [69][70]
SubSpace Continuum Completed ? [71]
Super Mario 64 Super Mario 64 Active ?
Syndicate FreeSynd Inactive ? GPL
System Shock Shockolate Active GPL [72]
TSSHP (The System Shock Hack Project) Inactive ? BSD
The Temple of Elemental Evil Temple+ Active ? [73]
Theme Hospital CorsixTH Active ?
Titus the Fox OpenTitus ? GPL
Tomb Raider classic series OpenRaider ? ? ?
OpenTomb Active LGPL [74]
OpenLara Active BSD [75]
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 [76]
Multimedia Applications Development Environment (MADE engine) ? GPL [76]
SCUMM ? GPL [76]
Sierra's Creative Interpreter (SCI) ? GPL [76]
M4, Parallaction, and others ? GPL [76]
Grim Fandango (GrimE-based) ResidualVM ? GPL [77]
Escape from Monkey Island ? GPL [77]
Myst III: Exile ? GPL [77]
The Longest Journey Active GPL [78]
Baldur's Gate (Infinity Engine-based) GemRB Active GPL [79]
Baldur's Gate II: Shadows of Amn Active GPL [79]
Icewind Dale Active GPL [79]
Icewind Dale II Active GPL [79]
Planescape: Torment Active GPL [79]
System Shock 2 OpenDarkEngine (i.e., not The Dark Mod), NewDark Inactive GPL [80][81]
Thief: The Dark Project (Dark Engine-based) Inactive GPL
Thief II: The Metal Age Inactive GPL
UFO: Enemy Unknown OpenXcom Completed GPL [82]
X-COM: Terror from the Deep Completed GPL [82]
X-COM: Apocalypse OpenApoc Active ? MIT License
Ultima IV: Quest of the Avatar xu4 Inactive GPL
Ultima VI: The False Prophet Nuvie Inactive GPL
Ultima VII: The Black Gate Exult Active GPL [83]
Ultima VII Part Two: Serpent Isle Active GPL [83]
Ultima VIII: Pagan Pentagram Inactive ? 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 [84]
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 ? ? ?
Zak McKracken and the Alien Mindbenders The Mindbender adventure engine from the
former Zak McKracken and the Alien Rockstars project		 ? ? ?
Zork Nemesis ScummVM Active GPL
Zork: Grand Inquisitor Active GPL
Video game Name of game engine recreation Development Playable License Refs
Status

See also

References
  1. Chariot Engine on GitHub, last commit from April 2018
  2. "openage README". 1 September 2020. Archived from the original on 1 September 2020.
  3. engine source on GitHub
  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 homepage
  7. Arx Libertatis source on GitHub (Sep 10, 2020)
  8. CaesarIA on GitHub (Mar 6, 2019)
  9. Julius on GitHub (Mar 6, 2019)
  10. https://sourceforge.net/projects/freecnc/
  11. http://openra.net/license
  12. https://www.openra.net/
  13. https://github.com/TheAssemblyArmada/Thyme
  14. "Free, open source re-implementation of SAGE". OpenSAGE at GitHub. GitHub. Retrieved 2018-03-12.
  15. https://sourceforge.net/projects/freera/
  16. https://sourceforge.net/projects/openredalert/
  17. Chronoshift (a C&C: Red Alert 1 reimplementation project) is now open source!
  18. https://github.com/TheAssemblyArmada/Chronoshift
  19. "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
  20. "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++
  21. http://openra.net/license
  22. openc2e on GitHub
  23. Modern reimplementation of the Diablo 1 game engine
  24. devilutionX on GitHub (Sep 11, 2020)
  25. reone on GitHub
  26. reone on GitHub
  27. OpenDW on GitHub
  28. FreeNukum on GitLab
  29. FreeNukum on crates.io
  30. EDuke32 homepage
  31. EDuke32 source code
  32. Have You Played… Dune II Remake Dune Legacy? on Rock, Paper, Shotgun by Alec Meer (September 19th, 2015)
  33. on github
  34. XLEngine on github
  35. "Added a LICENSE file". GitHub. 31 July 2016. Retrieved 1 July 2019.
  36. "License confirmation". GitHub. 11 April 2018. Retrieved 1 July 2019.
  37. 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.
  38. Larabel, Michael (22 July 2011). "XL Engine For Games Is Being Brought To Linux". Phoronix.com. Phoronix Media. Retrieved 1 July 2019.
  39. Daggerfall Unity on github
  40. 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)
  41. One For The Weekend: Daggerfall Tools For Unity by Shaun Green on Rock, Paper, Shotgun (2015-01-25)
  42. "Project Aedra / Code / [r413] /LICENSE.txt". Retrieved 27 June 2019 – via SourceForge.
  43. "Spectalum". www.eob2remake.com. Retrieved 2019-01-09.
  44. F-1 Spirit remake Archived 2011-07-24 at the Wayback Machine on Brain Games
  45. http://ogta.fifengine.de/
  46. https://code.google.com/archive/p/gta2net/
  47. about Archived 2016-03-14 at the Wayback Machine on openggs.romanhoegg.ch "As of August 2009 I have been given permission to use the C64 sprites of the original game by Manfred Trenz" (2009)
  48. Montoir, Gregory, hode is a rewrite of the engine used in the game Heart of Darkness made by Amazing Studio., retrieved 2020-04-07
  49. YouTube, Modern Vintage Gamer, Heart of Darkness Engine (HODE) Xbox Port by MVG, retrieved 2020-04-07
  50. https://github.com/ihhub/fheroes2
  51. https://archive.codeplex.com/?p=darkxl
  52. https://github.com/luciusDXL/TheForceEngine
  53. https://theforceengine.github.io/
  54. Lord of the Rings Engine by Michal Benes
  55. https://www.openra.net/news/release-20181215-kknd/
  56. https://github.com/gp-alex/OpenKKND
  57. Knytt Stories DS on rodrigoroman.com
  58. engine source on GitHub (June 19, 2020)
  59. 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
  60. OpenNFS on github.com
  61. NFSIISE on github.com
  62. LICENSE.txt on svn.outpostuniverse.org:8443
  63. 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)
  64. engine source on GitHub (May 14, 2020)
  65. "EA Takes Down 'Open Source' SimCity 2000 Remake". TorrentFreak. 30 July 2018. Retrieved 28 June 2019.
  66. source code on GitHub (last commit on Feb 2018)
  67. source code on GitHub (Jan 2, 2020)
  68. http://openra.net/license
  69. "What is OpenRA?". OpenRA website. The OpenRA Developers. Retrieved 2016-07-04. The next major goal for OpenRA is to add support for the second generation of Command & Conquer games, starting with Tiberian Sun.
  70. "A Red Alert 2 mod for the OpenRA game engine". OpenRA at GitHub. GitHub. Retrieved 2016-07-04.
  71. How Fans Revived 'Subspace,' a Forgotten 20-Year-Old Game About Spaceships by Emanuel Maiberg on vice.com (July 6, 2015)
  72. engine source on GitHub (Aug 17, 2020)
  73. "Project Temple+ * RELEASED *". rpg cod ex > for all your explosive cod fishing needs. Retrieved 2019-01-09.
  74. engine source on GitHub (May 29, 2020)
  75. engine source on GitHub (Auf 23, 2020)
  76. "ScummVM in Debian repos".
  77. "ResidualVM in Debian repos".
  78. "ResidalVM's official page on the compatibility of The Longuest Journey".
  79. "changelog [GemRB wiki]". Retrieved 2017-02-13. GemRB is quite style="background: #aaccff; color: black; vertical-align: middle; text-align: center; " class="table-success" | Completed, 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.
  80. OpenDarkEngine source on GitHub (last commit on May 2018)
  81. NewDark forum post on TTLG
  82. UFO Defense as a valid option for terror by Phil Savage on PC Gamer (May 09, 2013)
  83. 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.
  84. UA:Source on metropolisdawn.com by Zidane (Jun 23, 2016)
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