Awesome Game Remakes

Actively maintained open-source game remakes.

Most games require original asssets. The ones not requiring paid assets are marked with :flower_playing_cards:.

If you are also interested in clones and similar games (0 A.D. etc.), take a look at Open Source Game Clones.

Contents

• Action
• Adventure
• Arcade
• FPS
• Online
• RPG
• Platformer
• Racing
• Simulator
• Strategy

Action

• Carnage3D - Reimplementation of Grand Theft Auto.
• donut - Reimplementation of The Simpsons: Hit & Run in modern C++ and modern OpenGL.
• OpenJK - Community effort to maintain and improve Jedi Academy and Jedi Outcast by Raven Software.
• OpenLara - Classic Tomb Raider open-source engine.
• OpenMB - Role-playing game engine for Taleworlds' Mount&Blade Series.
• OpenRW - A cross-platform, open source re-implementation of Rockstar Games' Grand Theft Auto III.
• OpenTomb - Original Tomb Raider 1-5 experience with contemporary updates, features and additions.
• re3 - Reversed source code for GTA III and GTA: Vice City.
• remc2 - Reverse engineering of Magic Carpet 2 from Assembler.
• Rigel Engine - Modern reimplementation of the classic DOS game Duke Nukem II in C++.
• San Andreas Unity - Reimplementation of GTA: San Andreas game engine in Unity.
• TOMB5 - Tomb Raider: Chronicles disassembly translated to C source code.
• TR1X - Open source implementation of the classic Tomb Raider I game.

Adventure

• ScummVM - Allows you to run certain classic graphical point-and-click adventure games such Maniac Mansion and Monkey Island.

Arcade

• Barbarian - Open-source clone of Barbarian: The Ultimate Warrior.
• C-Dogs SDL - Classic overhead run-and-gun game. :flower_playing_cards:
• Mr.Boom - 8 player Bomberman clone for RetroArch/Libretro.
• OpenClonk - Multiplayer action game where you control small and nimble humanoids.
• OpenJazz - Free, open-source version of the classic Jazz Jackrabbit™ games.
• Open Kick-Off - Rewriting attempt of the cult football game Kick Off 2. :flower_playing_cards:
• OpenTyrian - An open-source port of Tyrian from Turbo Pascal to C. :flower_playing_cards:
• Taisei - Fan-made, open-source clone of the Touhou series. :flower_playing_cards:
• The Great Escape in C - Classic ZX Spectrum game The Great Escape in portable C. :flower_playing_cards:
• Zelda Classic - A game and editing tool that lets you create custom Legend of Zelda quests.

FPS

• Allegiance - Allegiance is RTS and FPS Space Combat game.
• BetterSpades - Ace Of Spades open source implementation that runs on older machines.
• BStone - A source port of Blake Stone: Aliens Of Gold and Blake Stone: Planet Strike.
• CatacombGL - Windows source port of Catacomb 3D and the Catacomb Adventure series.
• Chocolate Doom - Source port that is minimalist, historically accurate and includes ports of Heretic and Hexen, and Strife. :flower_playing_cards:
• ClassiCube - Minecraft Classic compatible client written in C from scratch. :flower_playing_cards:
• Doom Legacy - One of the most popular DOOM source ports, which enhances it with things like TCP/IP networking, OpenGL renderer etc. :flower_playing_cards:
• DoomRetro - Classic, refined DOOM source port for Windows PC. :flower_playing_cards:
• Doomsday Engine - Source port of id Software's DOOM I/II and Raven Software's Heretic and Hexen. :flower_playing_cards:
• DukeGDX - Duke Nukem 3D port.
• ECWolf - Port of Wolfenstein 3D based on Wolf4SDL.
• ezQuake - Combining the features of all modern QuakeWorld clients, ezQuake makes QuakeWorld easier to start and play.
• FreeCS - Free-software re-implementation of Counter-Strike 1.5 running on the FTEQW engine. :flower_playing_cards:
• Freedoom - Free software FPS based on the classic DOOM engine. :flower_playing_cards:
• FTEQW - FPS Engine for Quake 1, QuakeWorld, Quake 2, Hexen II & Quake III Arena.
• GZDoom - Modder-friendly OpenGL and Vulkan source port based on the DOOM engine. :flower_playing_cards:
• Hexen II: Hammer of Thyrion - Cross-platform port of the Hexen II game.
• ioquake3 - The free software FPS engine that can be used to play Quake 3, or make your own game.
• NBlood - Port of the classic FPS Blood.
• Odamex - Online multiplayer DOOM port with a strong focus on the original gameplay while providing a breadth of enhancements. :flower_playing_cards:
• OpenSpades - Compatible client of Ace of Spades, a voxel FPS.
• QuakeSpasm - A modern, cross-platform Quake game engine.
• RBDOOM-3-BFG - Doom 3 BFG Edition with soft shadows, cleaned up source, Linux and 64 bit Support.
• RedneckGDX - Port of Redneck Rampage.
• SurrealEngine - The goal of this project is to reimplement enough of the original Unreal Engine to make the Unreal Tournament (UT99) maps playable.
• The Eternity Engine - Advanced DOOM source port. :flower_playing_cards:
• The Force Engine - Jedi Engine for modern systems and the games that used that engine - Dark Forces and Outlaws.
• Tyrquake - Libretro port of Tyrquake.
• Yamagi Quake II - Enhanced client for id Software's Quake II with focus on offline and coop gameplay.
• Zandronum - Multiplayer oriented port, based off Skulltag, for Doom and Doom II. Also runs Heretic, Hexen and Strife. :flower_playing_cards:

Online

• 2006rebotted - A 2006 RuneScape 2 Emulation Server. :flower_playing_cards:
• 2004scape - A free & open-source remake of 2004 era RuneScape 2. :flower_playing_cards:
• 2009scape - A free & open-source remake of 2009 era RuneScape 2. :flower_playing_cards:
• ACEmulator - A custom, completely from-scratch open source server emulator for Asheron’s Call built on C#. :flower_playing_cards:
• FreeSO - Reimplementation of The Sims Online, targetted mainly at mobile devices. :flower_playing_cards:
• Meridian 59 - The first 3D MMORPG, released in 1996 and open sourced in 2012. The original codebase for Meridian 59.
• MineClone2 - Stable, moddable & free/libre clone of Minecraft based on the Minetest engine. :flower_playing_cards:
• Opengate - Remake of Jumpgate.
• OpenRSC - Open source accurate RuneScape Classic (2001-2003) game server in Java, based on recorded data and videos. :flower_playing_cards:
• RSC-C - Rewrite of the RuneScape Classic (2001-2003) game client in portable C. :flower_playing_cards:
• RuneLite - Open source Old School RuneScape (OSRS) client. :flower_playing_cards:
• Ryzom Core - Ryzom Core contains the whole code (client, server, tools) used to make the commercial MMORPG Ryzom. :flower_playing_cards:
• Space Station 14 - Space Station 14 is a revived attempt at a Space Station 13 remake.

RPG

• Abyss Engine - Abyss Engine is a game engine designed to run games similar to 2000's style ARPGs such as Diablo II.
• Arx Libertatis - Cross-platform port of Arx Fatalis, a first-person role-playing game.
• Barony - Open source release of Barony.
• BtBuilder - An open source implementation of the Bard's Tale Construction Set.
• Daggerfall Unity - Recreation of Daggerfall in the Unity engine.
• Devilution - Reconstructed form of Diablo's original source code.
• DevilutionX - Diablo build for modern operating systems.
• DGEngine - Implementation of the Diablo game engine.
• Exult - Project to recreate Ultima 7 for modern operating systems.
• Falltergeist - Crossplatform Fallout 2 game engine writen in C++ and SDL.
• Freeablo - Open-source implementation of the Diablo engine.
• FreeFT - Real-time, isometric action game engine inspired by Fallout Tactics.
• GemRB - Portable open-source reimplementation of the Infinity Engine (used by Baldur's Gate, Icewind Dale and more).
• OpenEnroth - Might and Magic VI-VIII engine remake using original data & code.
• OpenGothic - Reimplementation of Gothic 2: Night of the Raven.
• OpenMW - Reimplementation of the Morrowind game engine.
• OpenNox - Collaboration project extending the Nox engine.
• OpenTESArena - Modern engine reimplementation of The Elder Scrolls: Arena by Bethesda Softworks.
• OpenVIII - Final Fantasy VIII engine implementation in C#.
• REGoth - An open source reimplementation of zEngine the engine behind Gothic and Gothic II.
• Riiablo - Diablo II remade using Java and LibGDX.
• sfall - A set of engine modifications for the classic game Fallout 2.
• Shockolate - Same great System Shock, new great taste.
• UAlbion - Remake of 1995 Albion.
• WitchavenGDX - Witchaven Java port.
• xoreos - Implementation of BioWare's Aurora engine and its derivatives (used by Neverwinter Nights, The Witcher and more).
• Zelda3 - This is a reverse engineered clone of Zelda 3 - A Link to the Past.
• zorkClone - Reimplementation of the original Zork game developed by Infocom.

Platformer

• Alive Reversing - Reimplementation of Oddworld: Abe's Exoddus.
• Commander Genius - Modern Interpreter for the Commander Keen Games. :flower_playing_cards:
• Jazz² Resurrection - Reimplementation of Jazz Jackrabbit 2.
• Lionheart Remake - Java remake of Lionheart Amiga game.
• NXEngine-evo - Rewrite of the masterpiece jump-and-run platformer Doukutsu Monogatari (also known as Cave Story).
• Omnispeak - Reimplementation of Commander Keen in Goodbye Galaxy.
• Prince-Monogame - Monogame implementation of Prince of Persia 2.
• SDLPoP - Port of Prince of Persia, based on the disassembly of the DOS version.
• sm64js - Super Mario 64 reimplementation in JavaScript.
• The Secret Chronicles of Dr. M - Adaptation of Secret Mario Chronicles. :flower_playing_cards:
• VVVVV - The source code to VVVVVV.

Racing

• Reburn 3 - A work-in-progress open source reimplementation of Burnout 3: Takedown.
• DreeRally - Death Rally engine reimplementation.
• OpenNFS - Attempt to recreate the classic Need for Speed Games (1-6).
• Vangers - Racing/RPG hybrid made open-source by its creators, written in C++.
• Vange-rs - The idea of this project is to replicate the old look and behavior of Vangers, but with native hardware acceleration for the graphics.
• wipEout Rewrite - This is a re-implementation of the 1995 PSX game wipEout. :flower_playing_cards:

Simulator

• DXX-Rebirth - Source port of the Descent and Descent 2 Engines for Windows, macOS, Linux.
• Free Stars: The Ur-Quan Masters - Open source version of the classic Star Control 2.
• FS2Open - FreeSpace2 Source Code Project.
• Librelancer - Reimplementation of the 2003 space game Freelancer.

Strategy

• Ancient Beast - Spiritual successor to Heroes of Might and Magic III focusing on combat; matched based eSport.
• Antares - Remake of Ares, a tactical space combat game.
• CivOne - Implementation of Sid Meier's Civilization.
• CorsixTH - Clone of Theme Hospital with support for modern operating systems, high resolutions and much more.
• Cortex Command Community Project Source - Community-driven effort to continue the development of Cortex Command.
• fheroes2 - Free implementation of Heroes of Might and Magic II game engine.
• FreeCol - Turn-based strategy game based on the old game Colonization.
• GLSMAC - Unofficial open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri ( + Alien Crossfire ).
• Jagged Alliance Stracciatella - Makes Jagged Alliance 2 available on a wide range of platforms.
• Julius - Reimplementation of Caesar III.
• KaM Remake - RTS game remake of Knights and Merchants written in Delphi from scratch.
• KeeperFX - Open source remake and Fan Expansion of Dungeon Keeper.
• KeeperRL - Roguelike dungeon builder inspired by Dwarf Fortress.
• openage - Clone of the Age of Empires II engine.
• OpenApocalypse - Rebuild of the X-COM: Apocalypse engine.
• openblack - Reimplementation of Black & White.
• OpenDUNE - Recreation of the popular game Dune II.
• Open Fodder - Open-source implementation of Cannon Fodder.
• OpenHV - Open-source implementation of Hard Vacuum. :flower_playing_cards:
• OpenLoco - Reimplementation of Chris Sawyer's Locomotion.
• Open Panzer - HTML5 Panzer General 2. :flower_playing_cards:
• OpenRA - Implementation of the Red Alert engine using .NET/mono and OpenGL. Runs on Windows, Linux and macOS.
• OpenRCT2 - Recreation of RollerCoaster Tycoon 2.
• OpenSAGE - C# reimplementation of SAGE, the game engine used by a bunch of EA Pacific games, including Command & Conquer: Generals and Battle for Middle Earth.
• OpenSC2K - Remake of SimCity 2000 by Maxis.
• OpenTTD - OpenTTD is a transport simulation game based upon the popular game Transport Tycoon Deluxe, written by Chris Sawyer. :flower_playing_cards:
• OpenXcom - Clone of UFO: Enemy Unknown and X-COM: Terror From the Deep.
• OutpostHD - Remake of Sierra On-Line's Outpost.
• Ozymandias - An open source re-implementation of Pharaoh in the Julius/Augustus engine.
• Race into Space - Version of Interplay's Buzz Aldrin's Race into Space.
• Return To The Roots - Settlers II remake written in C++.
• Sourcehold - Implementation of Stronghold by Firefly Studios.
• Stone Kingdoms - A real-time strategy game made with LÖVE based on the original Stronghold by Firefly studios.
• VanillaConquer - Command and Conquer and Red Alert original release source port based on the remaster source code drop.
• VCMI - Engine for Heroes of Might and Magic III.
• Wargus - Warcraft 2 Mod that allows you to play Warcraft 2 with the Stratagus engine.
• Warzone 2100 - Free and open-source real time strategy game. :flower_playing_cards:
• Zed Online - Remake of the 1996 classic game Z.