Engine Rewrite · PC (classic)OpenRCT2RollerCoaster Tycoon 2Open-source re-implementation of RollerCoaster Tycoon 2 with modern-platform support, an improved interface and cooperative multiplayer.🔥 0🧊 016kEngine Rewrite · PC (classic)openageAge of Empires IIVolunteer-built free engine clone of the Genie Engine behind Age of Empires, Age of Empires II and Star Wars: Galactic Battlegrounds.🔥 0🧊 015kEngine Rewrite · PC (classic)OpenDiablo2Diablo IIArchived Go engine that plays Diablo II with your own copy; development moved to the Abyss Engine project.🔥 0🧊 011kEngine Rewrite · PC (classic)DevilutionXDiabloPort of Diablo and Hellfire for modern systems with engine improvements, bug fixes and optional quality-of-life features.🔥 0🧊 09.8kEngine Rewrite · PC (classic)OpenTTDTransport Tycoon DeluxeOpen-source transport simulation game based on Transport Tycoon Deluxe, with multiplayer, add-on content and modern platform support.🔥 0🧊 08.4kEngine Rewrite · PC (classic)OpenMWThe Elder Scrolls III: MorrowindOpen-source open-world RPG engine that plays The Elder Scrolls III: Morrowind, with improved graphics and its own editor, OpenMW-CS.🔥 0🧊 06.6kEngine Rewrite · PC (classic)VCMIHeroes of Might and Magic IIIOpen-source engine for Heroes of Might and Magic III with modding support, a map editor and builds for desktop and mobile.🔥 0🧊 05.9kEngine Rewrite · PC (classic)OpenSC2KSimCity 2000Open-source remake of SimCity 2000 built with Rust and Godot for Windows, Linux and macOS; needs your own copy of the game.🔥 0🧊 05.3kEngine Rewrite · PC (classic)fheroes2Heroes of Might and Magic IIOpen-source rewrite of the Heroes of Might and Magic II engine with high-resolution graphics, improved AI and many fixes.🔥 0🧊 03.5kEngine 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 · PC (classic)Fallout Community EditionFalloutRe-implementation of Fallout that keeps the original gameplay and adds engine bugfixes and quality-of-life improvements across platforms.🔥 0🧊 02.9kEngine Rewrite · PC (classic)DiabloWebDiabloDiablo 1 compiled to WebAssembly so it runs in a web browser, including on phones, with the shareware version playable anywhere.🔥 0🧊 02.9kEngine Rewrite · PC (classic)San Andreas UnityGrand Theft Auto: San AndreasOpen-source reimplementation of the GTA San Andreas engine in Unity, focused on gameplay, multiplayer and easy modding.🔥 0🧊 02.6kEngine Rewrite · PC (classic)OpenRWGrand Theft Auto IIICross-platform open-source re-implementation of Grand Theft Auto III that needs a legitimate copy of the PC game.🔥 0🧊 02.2kEngine Rewrite · PC (classic)freeabloDiabloArchived cross-platform reimplementation of the Diablo 1 engine that needs the original game data and only reached a base of the game.🔥 0🧊 02.2kEngine 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 · PC (classic)OpenLocoChris Sawyer's LocomotionOpen-source re-implementation of Chris Sawyer's Locomotion, the transport-company sim that followed Transport Tycoon.🔥 0🧊 01.9kEngine Rewrite · PC (classic)OpenSAGESAGE engine (C&C Generals, BFME)Early-stage C# re-implementation of the SAGE RTS engine behind Command & Conquer: Generals and Zero Hour; not yet playable.🔥 0🧊 01.6kEngine Rewrite · PC (classic)OpenGothicGothic I-III / Chronicles of MyrtanaOpen-source re-implementation of Gothic 2: Night of the Raven that completes the main quest and addon with modern graphics APIs.🔥 0🧊 01.6kEngine Rewrite · PC (classic)openblackBlack & WhiteOpen-source engine that reimplements Black & White (2001) in modern C++ with OpenGL and Vulkan rendering.🔥 0🧊 01.6kEngine Rewrite · PC (classic)OpenTombTomb Raider I-V (classic)Inactive open-source engine remake for playing classic Tomb Raider 1 to 5 and custom TRLE levels; the authors point to TombEngine.🔥 0🧊 01.4kEngine Rewrite · PC (classic)doukutsu-rsCave StoryFaithful Rust remake of the Cave Story engine with quality-of-life improvements, builds for desktop and Android, and support for several data sets.🔥 0🧊 01.3kEngine Rewrite · PC (classic)GemRBBioWare Infinity Engine games (Baldur's Gate, Icewind Dale...)Portable open-source reimplementation of the Infinity Engine behind Baldur's Gate, Icewind Dale and Planescape: Torment.🔥 0🧊 01.3kEngine Rewrite · PC (classic)OpenSpadesAce of Spades 0.75Compatible open-source client for Ace of Spades 0.75 that connects to vanilla, pyspades and pysnip servers.🔥 0🧊 01.2kEngine Rewrite · PC (classic)DiablerieDiablo IIEarly-stage recreation of Diablo II in Unity that runs with data from your own copy of Diablo II: Lord of Destruction.🔥 0🧊 01.2kEngine Rewrite · PC (classic)xoreosBioWare Aurora engine (NWN, KotOR...)Pre-alpha open-source reimplementation of BioWare's Aurora engine, targeting Neverwinter Nights, Knights of the Old Republic and more.🔥 0🧊 01.2kEngine Rewrite · PC (classic)Surreal EngineUnreal Engine 1 gamesReimplementation of Unreal Engine 1 focused on making Unreal (Gold) and Unreal Tournament (UT99) playable.🔥 0🧊 01.1kEngine Rewrite · PC (classic)RiiabloDiablo IIEarly attempt to rebuild Diablo II from scratch in Java and LibGDX using your own original assets, with flexible aspect ratios.🔥 0🧊 01.1kEngine Rewrite · PC (classic)Pikachu VolleyballPikachu VolleyballJavaScript reimplementation of the 1997 Windows game Pikachu Volleyball, built by reverse engineering its physics engine and AI, playable in the browser.🔥 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)FreeSOThe Sims OnlineFull reimplementation of The Sims Online in MonoGame, now a technology base for other servers, with hi-res output and taller houses.🔥 0🧊 0983Engine Rewrite · PC (classic)FalltergeistFallout 2Open-source cross-platform Fallout 2 engine written in C++ and SDL that plays the game with your own data files.🔥 0🧊 0887Engine Rewrite · PC (classic)OpenEnrothMight and Magic VI-VIIIOpen reimplementation of the Might and Magic VI-VIII engine; Might and Magic VII is playable today with MM6 and MM8 planned.🔥 0🧊 0871Engine Rewrite · PC (classic)OpenNFSNeed for Speed (classic series)Early-stage modern engine that unpacks the original data of the classic Need for Speed games 1 to 5 on PC and PSX.🔥 0🧊 0845Engine 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)Aleph OneMarathon 2 (Bungie)Open-source continuation of Bungie's Marathon 2 engine that plays Marathon, Marathon 2, Marathon Infinity and third-party content.🔥 0🧊 0813Engine Rewrite · PC (classic)VangersVangersOpen-source build of Vangers, the racing and RPG hybrid, now on SDL 3 with gamepad support and a TOML settings file.🔥 0🧊 0737Engine Rewrite · PC (classic)Jazz² ResurrectionJazz Jackrabbit 2Native C++ reimplementation of Jazz Jackrabbit 2 for Windows, Linux, macOS, Steam Deck and Android, using your original game files.🔥 0🧊 0715Engine Rewrite · PC (classic)benillaWorld of Warcraft 1.12.1 (client)A from-scratch World of Warcraft 1.12.1 client written in Rust and Bevy that connects to a 1.12.1 server and reads your own install's data.🔥 0🧊 0714Engine Rewrite · PC (classic)ThymeCommand & Conquer: Generals - Zero HourOpen-source re-implementation of Command & Conquer: Generals - Zero Hour for Windows that aims to fix bugs and enable new platforms.🔥 0🧊 0695Engine Rewrite · PC (classic)OpenVIIIFinal Fantasy VIIIArchived open-source Final Fantasy VIII engine in C# on MonoGame, aimed at Windows and Linux with mobile versions planned.🔥 0🧊 0673Engine Rewrite · PC (classic)OpenCiv3Civilization IIIOpen-source, mod-oriented remake of Civilization III built with Godot and C#, currently in an early pre-alpha state.🔥 0🧊 0667Engine Rewrite · PC (classic)REGothGothic I-II (zEngine)Open-source reimplementation of the zEngine behind Gothic and Gothic II; the project has since restarted in a new repository.🔥 0🧊 0654Engine Rewrite · PC (classic)GLSMACSid Meier's Alpha CentauriUnofficial OpenGL and SDL2 reimplementation of Sid Meier's Alpha Centauri and Alien Crossfire, with a rewritten engine and network code.🔥 0🧊 0638Engine Rewrite · PC (classic)LibrelancerFreelancerOpen-source engine for Freelancer whose development has moved to Codeberg; this GitHub repository is archived.🔥 0🧊 0612Engine Rewrite · PC (classic)OpenApocX-COM: ApocalypseOpen-source reimplementation of X-COM: Apocalypse in C++ and SDL2 with full mod support, using your original game files.🔥 0🧊 0597Engine Rewrite · PC (classic)Jazz² Resurrection (Releases)Jazz Jackrabbit 2Release page for Jazz² Resurrection, the Jazz Jackrabbit 2 reimplementation, now fully rewritten in the jazz2-native repository.🔥 0🧊 0577Engine Rewrite · PC (classic)RichterQuakePre-alpha Quake engine written in Rust whose client can already connect to original Quake servers and play back demos.🔥 0🧊 0570Engine Rewrite · PC (classic)Carnage3DGrand Theft Auto (1)Early-stage open-source remake of the original Grand Theft Auto that runs on Windows, Linux and even in the browser.🔥 0🧊 0568Engine 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 · PC (classic)Ambermoon.netAmbermoonComplete C# rewrite of the Amiga RPG Ambermoon for Windows, Linux and macOS, including the Ambermoon Advanced extension.🔥 0🧊 0540Engine Rewrite · PC (classic)JA2 StracciatellaJagged Alliance 2Community-driven port of Jagged Alliance 2 to more platforms, fixing bugs and adding a mod development platform.🔥 0🧊 0540Engine Rewrite · PC (classic)Meridian 59Meridian 59Source code for the classic MMORPG Meridian 59, including the client, server, Blakod compiler and room editor, built with Visual Studio.🔥 0🧊 0518Engine Rewrite · PC (classic)OpenClawCaptain ClawMultiplatform C++ reimplementation of the 1997 platformer Captain Claw, written from scratch to use your original game archive.🔥 0🧊 0515Engine Rewrite · PC (classic)OpenKeeperDungeon Keeper 2Open-source Java remake of Dungeon Keeper II using JMonkeyEngine and the original game assets.🔥 0🧊 0506Engine Rewrite · PC (classic)REGoth-bsGothic I-IIRestart of the REGoth project: an open-source reimplementation of the zEngine behind Gothic and Gothic II using modern technologies.🔥 0🧊 0499Engine Rewrite · PC (classic)SimitoneThe SimsAlternative C# Windows frontend for The Sims 1 based on FreeSO, with a 3D view, modern UI resolutions and better performance.🔥 0🧊 0499Engine Rewrite · PC (classic)vange-rsVangersRust remake of Vangers with GPU-accelerated graphics through wgpu, including a voxelized ray-traced terrain renderer.🔥 0🧊 0488Engine Rewrite · PC (classic)donutThe Simpsons: Hit & RunOpen-source reimplementation of The Simpsons: Hit & Run in modern C++ and OpenGL, using the original game assets.🔥 0🧊 0485Engine Rewrite · PC (classic)Ryzom CoreRyzomOpen-source MMORPG framework on the NeL engine, with the client, server and tools code behind the Ryzom game, maintained by the community.🔥 0🧊 0469Engine Rewrite · PC (classic)OpenTS2The Sims 2Open-source reimplementation of The Sims 2 in Unity, at an early stage with a main menu and basic neighborhood view.🔥 0🧊 0431Engine Rewrite · PC (classic)ChariotAge of EmpiresEarly Rust reimplementation of the Age of Empires (1997) engine, so far a demo of the original game assets loading.🔥 0🧊 0431Engine Rewrite · PC (classic)TheXTechSuper Mario Bros. X (SMBX)C++ rewrite of the Super Mario Bros. X (SMBX 1.3) engine for modern and non-Windows platforms, reproducing the old engine with new features.🔥 0🧊 0418Engine Rewrite · PC (classic)KaM RemakeKnights and MerchantsArchived Delphi remake of Knights and Merchants: The Shattered Kingdom with online multiplayer and engine bug fixes, reusing the original resource files.🔥 0🧊 0377Engine Rewrite · PC (classic)OpenDiablo2Diablo IIArchived, very early implementation of Diablo II on the Abyss Engine that reads the MPQ files from your own legal copy; not yet playable.🔥 0🧊 0370Engine 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 · PC (classic)Rad-TherapyHalf-LifeClean-room reimplementation of Half-Life and Half-Life Deathmatch written in QuakeC, running on the FTE engine.🔥 0🧊 0321Engine Rewrite · PC (classic)reoneStar Wars: Knights of the Old Republic I-IIFree, clean-room game engine that runs Star Wars: Knights of the Old Republic and The Sith Lords for play and modding.🔥 0🧊 0315Engine Rewrite · PC (classic)CroftEngineTomb Raider (1)Open-source remake engine for the original Tomb Raider with native controller support, texture packs and online ghosts.🔥 0🧊 0310Engine 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)SourceholdStrongholdEarly-stage open-source engine reimplementation of Stronghold (2001); currently frozen pending the Definitive Edition.🔥 0🧊 0279Engine Rewrite · PC (classic)DGEngineDiabloEngine that runs Diablo 1 and Hellfire from their game files, with support for Diablo Flare, Diablo Extended and a Diablo 2 demo setup.🔥 0🧊 0270Engine 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)freeaoeAge of Empires IIFree engine in early development for Age of Empires II and other Genie games like Star Wars: Galactic Battlegrounds.🔥 0🧊 0241Engine Rewrite · PC (classic)Zero Hour ReforgedCommand & Conquer: Generals - Zero HourCommand & Conquer: Generals Zero Hour rebuilt from EA's published source as a 64-bit game with bug fixes and a smarter AI.🔥 0🧊 0222Engine Rewrite · PC (classic)OpenAWEAlan Wake (engine)Open-source reimplementation of Remedy's Alan Wake engine (later Northlight), aiming to run Alan Wake and American Nightmare.🔥 0🧊 0220Engine Rewrite · PC (classic)NanolatheTotal AnnihilationIndependent Go-based 2.5D RTS engine with a clean-room reimplementation of Total Annihilation for skirmish, campaign and online play.🔥 0🧊 0196Engine Rewrite · PC (classic)sh3reduxSilent Hill 3Engine remake of Silent Hill 3 in OpenGL and C++; the README only covers build dependencies.🔥 0🧊 0187Engine Rewrite · PC (classic)Crimsonland, rebuiltCrimsonlandFaithful rewrite of Crimsonland (2003) as a Python/raylib reimplementation plus a matching decompilation playable in the browser.🔥 0🧊 0187Engine Rewrite · PC (classic)Open PanzerPanzer General 2HTML5 and JavaScript rewrite of Panzer General 2 that runs in modern browsers, including on Android and iOS.🔥 0🧊 0187Engine Rewrite · PC (classic)Waddle ForeverClub PenguinPlayable single-player archive of Club Penguin, bundling a local server emulator and an Electron client that runs the game without Flash.🔥 0🧊 0184Engine Rewrite · PC (classic)D2MOODiablo IIReimplementation of Diablo II (Method and Ordinal Overhaul) with patching tools to help modders understand and change the game.🔥 0🧊 0181Engine Rewrite · PC (classic)ForsakenForsakenCommunity port of the Forsaken game engine to modern systems.🔥 0🧊 0180Engine Rewrite · PC (classic)Vault13Fallout 2Work-in-progress Rust reimplementation of the Fallout 2 engine; not yet playable but with a demo mode and nightly builds.🔥 0🧊 0179Engine 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 · PC (classic)UAlbionAlbionRemake of the 1995 RPG Albion in .NET, rendering 2D and 3D maps and handling dialogue and inventory; combat and magic are not done yet.🔥 0🧊 0168Engine 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)OpenTPWTheme Park WorldOpen-source re-implementation of Bullfrog's Sim Theme Park / Theme Park World (1999); very early and not yet playable.🔥 0🧊 0160Engine Rewrite · PC (classic)OpenNefiaElonaOpen-source, moddable engine reimplementation of the Japanese roguelike Elona, built on .NET 8; still a work in progress.🔥 0🧊 0156Engine 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 · PC (classic)SMACX Thinker ModSid Meier's Alpha CentauriEngine-feature mod for Alpha Centauri: Alien Crossfire that adds rewritten AI, new options and rendering changes through an extra DLL.🔥 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)hode (Heart of Darkness)Heart of DarknessReimplementation of the Heart of Darkness engine by Gregory Montoir, running the original Windows data files on modern systems.🔥 0🧊 0150Engine Rewrite · PC (classic)KotOR.jsStar Wars: Knights of the Old RepublicTypeScript reimplementation of the Odyssey Engine behind KotOR I and II, running in the browser or Electron, with an early mod editor.🔥 0🧊 0149Engine 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 · PC (classic)DarkFOFallout 2Browser-based TypeScript reimplementation of the Fallout 2 engine that handles maps, NPC dialogue, bartering and some quests; archived and incomplete.🔥 0🧊 0145Engine Rewrite · PC (classic)OutpostHDOutpostOpen-source redesign of Sierra's 1994 city-building strategy game Outpost, in active development for Windows with Linux and macOS source builds.🔥 0🧊 0145Engine Rewrite · PC (classic)OpenMBMount & BladeOpen-source C# engine for Taleworlds' Mount & Blade series built on Ogre3D, with mod support and a built-in editor.🔥 0🧊 0142Engine Rewrite · PC (classic)nv-rsFallout: New VegasExperimental Rust and Bevy engine for Fallout: New Vegas that aims to play exactly like the original from your own game files.🔥 0🧊 0137Engine Rewrite · PC (classic)Age of Empires Free Software RemakeAge of Empires / Rise of RomeCross-platform free software remake of Age of Empires and Rise of Rome that mimics the Genie engine; only basic multiplayer-style gameplay so far.🔥 0🧊 0131Engine Rewrite · PC (classic)RustyVolleyBlobby Volley 2Rust rewrite of Blobby Volley 2 that compiles to a native app or to WebAssembly for the browser.🔥 0🧊 0130Engine Rewrite · PC (classic)OpenKrushKKnD / KKnD2: KrossfireKKnD and KKnD2: Krossfire mod built on the OpenRA engine; the README covers the OpenRA SDK scripts.🔥 0🧊 0127Engine Rewrite · PC (classic)OpenATDeluxeAirline Tycoon DeluxeOpen-source remake of Airline Tycoon Deluxe built in Godot, planning Full HD and native Windows, Linux and macOS support; airport and player are implemented.🔥 0🧊 0126Engine Rewrite · PC (classic)OpenSASwarm AssaultRemake of the 1999 RTS Swarm Assault on the OpenRA engine, with modern controls, multiplayer and a map editor.🔥 0🧊 0124Engine Rewrite · PC (classic)OpenNefia (old prototype)ElonaArchived alpha prototype of a moddable Lua and LÖVE reimplementation of the Japanese roguelike Elona.🔥 0🧊 0121Engine Rewrite · PC (classic)siglus_rsSiglusEngine (visual novels)Unofficial Rust reimplementation of the SiglusEngine, RealLive, AVG32 and UK2 visual novel engines for research and porting.🔥 0🧊 0115Engine Rewrite · PC (classic)GorcStar Wars: Jedi Knight - Dark Forces IIEarly-development engine recreation of Star Wars Jedi Knight: Dark Forces II, meant to replace the original executable on new platforms.🔥 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)openmw-webThe Elder Scrolls III: MorrowindOpenMW compiled to WebAssembly so Morrowind runs in a desktop browser, with an admin dashboard and experimental multiplayer.🔥 0🧊 0107Engine Rewrite · PC (classic)TemplePlusTemple of Elemental EvilHooks, extensions and fixes for The Temple of Elemental Evil that modernize the original game's engine.🔥 0🧊 0104Engine Rewrite · PC (classic)DreeRallyDeath RallyEngine reimplementation of Death Rally that replaces the Windows executable, with OpenGL rendering, mods and locale options.🔥 0🧊 0101Engine Rewrite · PC (classic)Open AnnihilationTotal AnnihilationOpen-source engine for playing Total Annihilation on modern macOS, Windows and Linux with your own game data; Total Annihilation: Kingdoms is on the roadmap.🔥 0🧊 053Engine Rewrite · PC (classic)OpenBattlefield2Battlefield 2Clean-room C++20 reimplementation of DICE's Refractor 2 engine, the engine behind Battlefield 2, that reads your own installed copy; a research project in progress.🔥 0🧊 044Engine Rewrite · PC (classic)OpenReliantStarLancerOpen-source engine reimplementation of the space combat sim StarLancer, written in Zig on SDL3, with the full campaign playable on Windows, Linux and macOS.🔥 0🧊 027Engine Rewrite · PC (classic)SiegeFXDungeon SiegeClean-room open-source reimplementation of Dungeon Siege (2002) in C# and .NET 10 for Windows and Linux, loading your original game data.🔥 0🧊 026Engine Rewrite · PC (classic)uo-clientUltima OnlineFrom-scratch Ultima Online T2A client in C++17 built for bot automation, with a software renderer that recreates the 1997-era look.🔥 0🧊 018Engine Rewrite · PC (classic)OpenEmperorEmperor: Rise of the Middle KingdomEarly clean-room reimplementation of Emperor: Rise of the Middle Kingdom in C++20 and SDL3, starting on Apple Silicon macOS and needing original game data.🔥 0🧊 015