Free & Open Source Fantasy Games
457 free, open-source fantasy games — real clones and remakes you can download, inspect the source of, and modify.
Halted
Original game image
Original game imageClone of Little Big Adventure 2
The official engine source code release for Little Big Adventure 2, code only — art, models, and audio remain closed.
Active
Clone of Ambermoon
A full C# rewrite of Ambermoon RPG for Windows, Linux, and Mac, bundling the original game plus the fan-made Ambermoon Advanced.
Active
Original game image
Original game imageClone of Pokémon Diamond and Pearl
A work-in-progress decompilation rebuilding Pokémon Platinum's Nintendo DS ROM from source.
ActiveOriginal game image
Original game imageClone of Pokémon Diamond and Pearl
A work-in-progress decompilation of Pokémon Diamond, targeting byte-matching Diamond and Pearl ROM builds.
Active
Clone of The Legend of Dragoon
A from-scratch Java reimplementation of Legend of Dragoon's engine, with a growing modding API and no known crashes.
Sporadic
Clone of Dungeon Keeper
An open-source dungeon-building RTS inspired by Dungeon Keeper, now mostly archived in favour of the OpenDungeonsPlus fork.
Platforms:WindowsLinux
Stars503
Updated1 year ago
LicenseUnknown
Release2014
Genre: Simulation
Theme: Horror
Halted
Clone of The Simpsons: Hit & Run
An open-source C++ reimplementation of The Simpsons: Hit & Run using modern OpenGL, requiring the original game's asset files.
Halted
Original game image
Original game imageClone of Little Big Adventure
The official engine source code release for Little Big Adventure (1994), covering only the Assembly-era code without original art or audio.
Active
Clone of Warcraft III
HiveWE is a fast third-party World Editor replacement for Warcraft III, adding quicker load times and advanced map-editing tools.
Platforms:Windows
Stars473
Updated1 month ago
LicenseAGPL-3.0
Release2017
Genre: Real-Time Strategy
Theme: Fantasy
Active
Halted
Clone of Magic: The Gathering Online
Magarena is a single-player fantasy card game for Java 8+, playable on Windows, Linux, and macOS.
Platforms:WindowsLinuxOSX
Stars445
Updated3 years ago
LicenseGPL-3.0
Release2014
Genre: Card Game
Theme: Fantasy
Active
Clone of Quake
DarkPlaces is a Quake engine fork adding modern rendering and an expanded QuakeC scripting language, running many Quake-based games.
Active
Clone of Warcraft II
Wargus lets you play Warcraft II with the open-source Stratagus engine, matching the original's look, sound, and gameplay.
Platforms:WindowsLinuxOSX
Stars435
Updated2 months ago
LicenseGPL-2.0
Release2015
Genre: Real-Time Strategy
Theme: Fantasy
Active
Clone of Glest
MegaGlest is a free, actively developed 3D real-time strategy game with seven factions across 17 settings, for Windows, Linux, and macOS.
Platforms:WindowsLinuxOSX
Stars420
Updated4 months ago
LicenseUnknown
Release2013
Genre: Real-Time Strategy
Theme: Medieval
Active
Original game image
Original game imageClone of Septerra Core: Legacy of the Creator
A static recompiler that rebuilds classic DOS/Windows games like X-COM and Warcraft: Orcs & Humans as native modern builds.
Active
Halted
Clone of Minecraft
Manic Digger is a Minecraft-style voxel building game with singleplayer and multiplayer, a huge default world, and a C#/JS modding API.
Halted
Active
Clone of Pikmin 2
A work-in-progress decompilation of Pikmin 2 whose non-matching build can be modded by editing its C++ source.
Platforms:GameCube
Stars364
Updated1 month ago
LicenseCC0-1.0
Release2021
Genre: Real-Time Strategy
Theme: Fantasy
Archived
Original game image
Original game imageClone of The Elder Scrolls III: Morrowind
An archived Android port of the OpenMW engine for playing Morrowind on phones and tablets.
Halted
Clone of Minecraft
A C port of Minecraft Classic 0.0.30a using SDL2 and OpenGL, with optional raytracing in its modded build.
Sporadic
Clone of Quake
FTEQW is an advanced, portable open-source engine for idTech games like Quake, Quake II, and III, with servers holding hundreds of players.
Archived
Original game image
Original game imageClone of Ultima Underworld
A now-halted Unity tool for playing Ultima Underworld 1 and 2 with original game files; active development moved to a Godot rewrite.
Active
Clone of Quake
A browser-playable Three.js port of Quake, bundling shareware Episode 1 and supporting the full game with your own data.
Halted
Clone of Dwarf Fortress
A Unity tutorial project and base-building game skeleton inspired by Dwarf Fortress and RimWorld.
Active
Clone of Ultima Underworld
A pre-alpha Godot Engine recreation of Ultima Underworld 1 and 2, succeeding the author's earlier Unity-based UnderworldExporter project.
Active
Original game image
Original game imageClone of Pokémon Ruby and Sapphire
A WebAssembly recompilation of the pokeemerald decompilation, letting Pokémon Emerald run in any browser.
Halted
Original game image
Original game imageClone of Diablo II
A clean-room reimplementation in C of the Diablo II engine, currently unplayable with development halted.
Sporadic
Clone of Heretic
A portable, enhanced source port supporting Doom I/II, Heretic, and Hexen, built as cross-platform C++ libraries.
Sporadic
Original game image
Original game imageClone of Minecraft
A self-described "very scuffed" Minecraft clone, built as a learning project and companion to a YouTube series.
Archived
Active
Active
SporadicOriginal game image
Original game imageClone of Little Big Adventure 2
A from-scratch, browser-based reimplementation of the Little Big Adventure 1 and 2 engines in TypeScript and Three.js.
Active
Original game image
Original game imageClone of Solstice: The Quest for the Staff of Demnos
Compilable, editable disassemblies of 26 NES games that rebuild ROMs identical to the originals.
Halted
Active
Original game image
Original game imageClone of Heretic
An advanced Doom-engine source port descended from SMMU, built with SDL2 and actively maintained across major platforms.
Active
Active