Engine Rewrite · PC (classic)JuliusCaesar IIIOpen-source re-implementation of Caesar III with identical game logic, widescreen support and ports for desktop, Android and handhelds.🔥 0🧊 03.4kEngine Rewrite · PS1wipEout RewriteWipeOutWork-in-progress C re-implementation of the 1995 PSX game wipEout, with SDL2 and Sokol backends and a web version.🔥 0🧊 03kEngine Rewrite · PC (classic)AugustusCaesar IIIFork of Julius for Caesar III that adds gameplay changes such as roadblocks and a global labour pool, plus scenario sharing.🔥 0🧊 02.1kEngine Rewrite · DOSSDLPALChinese Paladin (PAL)SDL-based cross-platform reimplementation of the Chinese RPG Legend of Sword and Fairy (PAL), with an online demo.🔥 0🧊 02kEngine Rewrite · DOSOpenDUNEDune IIOpen-source re-creation of Westwood's Dune II written in portable C that runs natively on many operating systems.🔥 0🧊 01.7kEngine Rewrite · DOSC-Dogs SDLCyberdogs (C-Dogs)Classic overhead run-and-gun game for up to four players in co-op or deathmatch, with over 100 user-made campaigns.🔥 0🧊 01.1kEngine Rewrite · PC (classic)TRX: Tomb Raider I-III Community EditionTomb Raider I-III (classic)Open-source reimplementation of Tomb Raider 1, 2 and 3 in a single engine, with enhancements, bugfixes and custom level support.🔥 0🧊 01kEngine Rewrite · PC (classic)OpenMoHAAMedal of Honor: Allied AssaultOpen re-implementation of Medal of Honor: Allied Assault and its expansions with ioquake3 fixes, bots and cross-platform support.🔥 0🧊 0831Engine Rewrite · PC (classic)NXEngine-evoCave StoryUpgraded and refactored version of the NXEngine Cave Story engine with SDL2, widescreen, mod support and Vita and Switch builds.🔥 0🧊 0549Engine Rewrite · DOSOpenOMFOne Must Fall 2097Open-source remake of One Must Fall 2097 with modern networking and builds for Linux, Windows, macOS and BSD.🔥 0🧊 0484Engine Rewrite · DOSOpenJazzJazz JackrabbitFree, open-source version of the classic Jazz Jackrabbit games for Windows, macOS, Linux, BSD, consoles and handhelds, plus a web port.🔥 0🧊 0409Engine Rewrite · PC (classic)GishGishOpen-source release of the physics platformer Gish, with build instructions for Linux, Windows and macOS.🔥 0🧊 0355Engine Rewrite · PC (classic)OpenSWE1RStar Wars Episode I: RacerOpen-source port of Star Wars Episode I: Racer that patches open code into the original game at runtime, using emulation for portability.🔥 0🧊 0350Engine Rewrite · PC (classic)OpenRealmWarcraft IIIQuake-style C engine for Blizzard-era game data, playing Warcraft III with experimental World of Warcraft and StarCraft II targets, using data you own.🔥 0🧊 0344Engine Rewrite · PC (classic)OpenTIEStar Wars: TIE FighterOpen-source reimplementation of Star Wars: TIE Fighter for Windows, macOS and Linux that runs the original game data.🔥 0🧊 0328Engine Rewrite · DOSOmnispeakCommander Keen 4-6Open-source reimplementation of Commander Keen episodes 4, 5 and 6, aiming to be a bug-for-bug clone of the originals.🔥 0🧊 0316Engine Rewrite · PC (classic)Abyss EngineDiablo IIClean-room Diablo II engine written in C, meant to be portable and easy to mod and extend.🔥 0🧊 0310Engine Rewrite · PC (classic)BetterSpadesAce of SpadesLightweight Ace of Spades client that runs on very old systems down to OpenGL 1.1, free of Jagex code.🔥 0🧊 0285Engine Rewrite · PC (classic)Syndicate Wars Fan ExpansionSyndicate WarsOpen-source port and fan expansion of Bullfrog's 1996 Syndicate Wars for modern systems, adding new resources.🔥 0🧊 0261Engine Rewrite · PC (classic)ForsakenForsakenCommunity port of the Forsaken game engine to modern systems.🔥 0🧊 0180Engine Rewrite · PC (classic)OpenHoWHogs of WarArchived open-source reimplementation of Hogs of War, aiming for a free engine that reads PC game data; early and unfinished.🔥 0🧊 0170Engine Rewrite · DOSOUO (Ultima Online Server)UltimaReverse engineering of the Ultima Online server from the Second Age demo, rebuilt as portable C99 that accepts clients up to 5.0.9.1.🔥 0🧊 0170Engine Rewrite · PC (classic)Arcanum Community EditionArcanumBeta community edition of Arcanum for modern systems, a drop-in replacement for arcanum.exe on Windows, Linux and macOS.🔥 0🧊 0167Engine Rewrite · PC (classic)CPyMOPyMO visual novel engineC reimplementation of the PyMO visual novel engine that runs PyMO games on Windows, consoles, phones and the web using legally owned copies.🔥 0🧊 0153Engine Rewrite · DOSWar1Warcraft: Orcs & HumansRemake of Warcraft: Orcs & Humans written in C, using the original WAR assets and adding modern RTS features; still in development.🔥 0🧊 0153Engine Rewrite · PC (classic)OGS EngineGoldSrc engine (Half-Life)Clean-room GoldSource engine prototype built from id Tech 2 sources with no reverse-engineered code.🔥 0🧊 0152Engine Rewrite · PC (classic)OpenXWAStar Wars: X-Wing AllianceOpen-source reimplementation of Star Wars: X-Wing Alliance for Windows, macOS and Linux with classic and modern graphics modes.🔥 0🧊 0152Engine Rewrite · PC (classic)Homeworld SDL (Gardens of Kadesh)HomeworldSDL source port of Homeworld 1 for Linux, Windows, macOS and browsers, now continued as Gardens of Kadesh; this repository is a mirror.🔥 0🧊 0146Engine Rewrite · DOS1oomMaster of OrionEngine recreation of the 1993 DOS game Master of Orion that runs on modern computers; this fork is no longer in development.🔥 0🧊 0110Engine Rewrite · PC (classic)OpenXWStar Wars: X-WingOpen-source reimplementation of Star Wars: X-Wing for Windows, macOS and Linux, supporting both the 1994 and 1998 editions.🔥 0🧊 0109Engine Rewrite · PC (classic)DreeRallyDeath RallyEngine reimplementation of Death Rally that replaces the Windows executable, with OpenGL rendering, mods and locale options.🔥 0🧊 0101Engine Rewrite · PS1Sonic The Hedgehog XASonic XA (fangame)Open-source Sonic fangame and engine for the PlayStation 1 written in C with PSn00bSDK, tested on emulators and real hardware.🔥 0🧊 0101Engine Rewrite · DOSSkyRoads Portable PortSkyRoadsFrom-scratch reverse-engineered C11 and SDL2 port of the 1993 DOS space racer SkyRoads for macOS, Windows, Linux, web and iOS, faithful to the original physics.🔥 0🧊 024