Approach
Rewrite
The game rebuilt in another language or architecture, informed by reverse engineering.
OpenGothic +2github.com/try/opengothicGothic, Gothic II, OpenGothicRewriteEngine reimplementation★ 1.7KPlayableActive
Medal of Honor: Allied Assault (OpenMoHAA) +1github.com/openmoh/openmohaaMedal of Honor: Allied Assault, OpenMoHAARewriteEngine reimplementation★ 865PlayableActive
Xenogears (Weltall)github.com/roman215/weltallAn Unreal Engine port of Xenogears with additional modern featuresRewriteEngine reimplementation★ 126AI-writtenPlayableActive
Jackie Chan Stuntmaster (ReChan)github.com/silverwiregames/rechanJackie Chan Stuntmaster reimplementationRewriteEngine reimplementation★ 69PlayableActiveShortLine railroad (DOS) (reSL) +1github.com/konovalov-aleks/reslShortLine railroad (DOS), Shortline railroadDecompilationRewrite+1★ 44Active
MechWarrior 3 (mw3-re)github.com/telltaleatheist/mw3-reLearning to reverse engineer MechWarrior 3 with REA and rebuild its mechanicsRewrite★ 41PlayableActive
Future Cop: LAPD (Future Cop: MIT)github.com/ghoster738/future-cop-mitOpen Source Game Engine ProjectRewrite★ 28In progressActive
Grand Theft Auto IV (LibertyFlux)github.com/monstercameron/libertyfluxGrand Theft Auto IV's engine, being rewritten in Rust one function at a time by AI agents, for 64-bit Windows, Windows on ARM and macOS. Contains no game code or assets.DecompilationRewrite★ 24AI-assistedActive- rrt2-decomprrt2-decompgithub.com/pedryvo/rrt2-decompReverse engineering and modern Rust reimplementation of Railroad Tycoon II — same isometric gameplay, native 1080p/4K. Requires the original game data.DecompilationRewrite★ 19Active
raymanarenadecompgithub.com/zzeck/raymanarenadecompRayman Arena decompilation early WIP made possible with Frida, Ghidra, Clang tools, and brains.DecompilationRewrite★ 14Inactive- Test Drive II: The DuelTest Drive II: The Duel (TD2)github.com/buyukcaglar/td2Test Drive II (1989) as a native Windows game: EGA, CGA, Hercules and Amiga graphics switchable live, built on the Kylofon SDL3 portRewrite★ 11AI-writtenActive
- OpenRedRacingOpenRedRacinggithub.com/nynjardin/openredracingA reimplementation of Big Red Racing, with quality-of-life improvements.DecompilationStatic recompilation+1★ 10Active
- rea-atlasrea-atlasgithub.com/jammyfu/rea-atlasMap of reverse-engineering projects (with rea tags): game decomp/recomp across consoles and PC, re-implementations, asset tools, RE tooling, app/protocol/firmware. Each tagged Uses rea: Yes/No/Unverified.DecompilationStatic recompilation+1★ 8Active
- pc-ragnarokodysseyacepc-ragnarokodysseyacegithub.com/vs-sr-dev/pc-ragnarokodysseyaceTooling and format documentation towards a native PC reimplementation of Ragnarok Odyssey ACE (PS3). BYOA: no game content.Native portStatic recompilation+1★ 7Active
- sly2-bevy-of-thievessly2-bevy-of-thievesgithub.com/campfirecrucifix/sly2-bevy-of-thieves⛔ ABANDONED (Oct 2026) - Sly 2: Bevy of Thieves, an unfinished Rust + Bevy rewrite of Sly 2: Band of Thieves. Archived as-is; bring your own disc, no game data included.DecompilationNative port+1★ 7Archived
- RTKContinuedRTKContinuedgithub.com/uncleacid1/rtkcontinuedAn open-source C++ port of Rule the Kingdom by InnoWatte (2012) performed mostly by Claude Opus 5.5DecompilationRewrite★ 4Active
- FoxRVFoxRVgithub.com/giuseppegr/foxrv🦊 A new engine for Titus the Fox: To Marrakech and Back (DOS, 1992), in C + SDL3. Original levels and rules, 🖥️ 16:9 widescreen, 🎮 gamepads, 🎵 AdLib music (Nuked-OPL3) or PC speaker. Runs on Windows, Linux, Nintendo 3DS/2DS and 📱 Android (Winlator, GameNative, GameHub). Bring your own copy of the game.DecompilationRewrite★ 3Active
- jpog-decompjpog-decompgithub.com/voikanaa/jpog-decompNative cross-platform reimplementation of Jurassic Park: Operation Genesis (2003) and its Toshi engine in portable C++20, verified bit for bit against the original DLLs. Target: Windows, Linux and macOS on the original game data.DecompilationRewrite★ 2Active
- kult-atari-st-ckult-atari-st-cgithub.com/hunkstalker/kult-atari-st-cReadable C reimplementation of KULT: The Temple of Flying Saucers (Atari ST, 1989), reconstructed from a matching assembly decomp and verified against the original with differential tests. Source-only; no game assets included.DecompilationRewrite★ 0Active
legaiagithub.com/dacodechick/legaiaLegend of Legaia recompiled for modern systemsRewrite★ 0Active
The Elder Scrolls II: Daggerfall (Daggerfall-Unity)dfworkshop.net RewritePlayable
LSD: Dream Emulator (LSD: Revamped)figglewatts.itch.io/lsd-revamped RewritePlayable
James Bond 007: Nightfire (Nightfire Open)pcgamingwiki.com/wiki/Nightfire%20Open RewritePlayable
Cannon Fodder 2 (OpenFodder)openfodder.com RewritePlayable
The Elder Scrolls III: Morrowind (openmw)gitlab.com/openmw/openmw RewritePlayable
Pizza Tycoon (Pizza Legacy)pizzalegacy.nl RewriteIn progress
Streets of Rage 2 New Erapcgamingwiki.com/wiki/Streets%20of%20Rage%202%20New%20Era RewritePlayable