Cloned Games

Free & Open Source Fantasy Games

457 free, open-source fantasy games — real clones and remakes you can download, inspect the source of, and modify.

Active
Heretic (original game, not this project)Original game image

Clone of Heretic

A modern GPLv3 source port continuing the ZDoom/GZDoom lineage for Doom, Heretic, and Hexen.
Platforms:WindowsLinuxOSX
Stars2,218
Updated1 month ago
LicenseUnknown
Release2025
Genre: FPS
Theme: Fantasy
Halted
Diablo (original game, not this project)Original game image

Clone of Diablo

An archived, cross-platform reimplementation of the Diablo 1 engine, needing the original game's data files to run.
Platforms:WindowsLinuxOSX
Stars2,170
Updated3 years ago
LicenseGPL-3.0
Release2013
Genre: RPG
Theme: Horror
Active
ClassiCube screenshot

Clone of Minecraft

A from-scratch, open-source client replicating the 2009 Minecraft Classic client, running on a very wide range of platforms.
Platforms:WebWindowsLinux
Stars2,060
Updated1 month ago
LicenseUnknown
Release2014
Genre: Action
Theme: Fantasy
Active
UndertaleModTool screenshot

Clone of Undertale

A full GUI/CLI tool for decompiling, editing, and modding Undertale, Deltarune, and other GameMaker-engine games.
Platforms:WindowsLinuxOSX
Stars2,049
Updated2 months ago
LicenseGPL-3.0
Release2018
Genre: RPG
Theme: Comedy
Active
SDLPAL screenshot

Clone of The Legend of Sword and Fairy

A cross-platform SDL reimplementation of the engine behind the 1995 Chinese RPG Legend of Sword and Fairy.
Platforms:WebLinux
Stars1,961
Updated2 months ago
LicenseGPL-3.0
Release2016
Genre: RPG
Theme: Fantasy
Halted
CSS Minecraft screenshot

Clone of Minecraft

A Minecraft clone built entirely with HTML and CSS, using no JavaScript.
Platforms:Web
Stars1,940
Updated2 years ago
LicenseUnknown
Release2022
Genre: Action
Theme: Fantasy
Sporadic
Hematite screenshot

Clone of Minecraft

A simple Minecraft-like world viewer built in Rust with the Piston engine, opening real 1.8.8-format Minecraft saves for personal use.
Platforms:None
Stars1,919
Updated6 months ago
LicenseMIT
Release2014
Genre: Action
Theme: Fantasy
Active
Rogue Legacy screenshot

Clone of Rogue Legacy

The official Rogue Legacy source code release (FNA build), requiring your own copy's assets.
Platforms:Windows
Stars1,907
Updated3 months ago
LicenseUnknown
Release2024
Genre: Platform
Theme: Fantasy
Active
The Legend of Zelda: Majora's Mask (original game, not this project)Original game image

Clone of The Legend of Zelda: Majora's Mask

A work-in-progress decompilation of Majora's Mask built purely from analysis, targeting only NTSC-US 1.0, with no PC port planned.
Platforms:N64
Stars1,718
Updated2 months ago
LicenseUnknown
Release2020
Genre: Action
Theme: Fantasy
Active
Pokémon Red, Blue, and Yellow (original game, not this project)Original game image

Clone of Pokémon Red, Blue, and Yellow

A decompilation of Pokémon FireRed and LeafGreen, rebuilding byte-matching ROMs for six known release variants.
Platforms:GBA
Stars1,603
Updated3 months ago
LicenseUnknown
Release2017
Genre: RPG
Theme: Fantasy
Active
Minetest Game screenshot

Clone of Minecraft

The basic, mod-friendly sandbox game for the Luanti engine, with no set goals or enemy mobs.
Platforms:WindowsLinuxOSX
Stars1,560
Updated2 months ago
LicenseUnknown
Release2012
Genre: Action
Theme: Fantasy
Active
openblack screenshot

Clone of Black & White

An open-source C++ reimplementation of Lionhead's Black & White that runs on the original game's assets.
Platforms:WebWindowsLinux
Stars1,560
Updated3 months ago
LicenseGPL-3.0
Release2018
Genre: Simulation
Theme: Fantasy
Halted
Mortal Kombat (original game, not this project)Original game image

Clone of Mortal Kombat

A Mortal Kombat-style browser fighting game in JavaScript, with local and network two-player modes.
Platforms:Web
Stars1,549
Updated4 years ago
LicenseUnknown
Release2013
Genre: Fighting
Theme: Fantasy
Active
Flare screenshot

Clone of Diablo

Flare is a single-player 2D dark-fantasy action RPG built on the open-source FLARE engine, with moddable INI and Tiled-based content.
Platforms:WindowsLinuxOSX
Stars1,314
Updated3 months ago
LicenseUnknown
Release2012
Genre: RPG
Theme: Horror
Active
GemRB screenshot

Clone of Baldur's Gate

GemRB is a portable, open-source reimplementation of the Infinity Engine, requiring the player's own copy of the original game data.
Platforms:WindowsLinuxOSX
Stars1,249
Updated1 month ago
LicenseGPL-2.0
Release2012
Genre: RPG
Theme: Fantasy
Halted
Diablerie screenshot

Clone of Diablo II

Diablerie is an early-stage, work-in-progress Diablo II recreation in Unity, requiring the player's own copy of the original game data.
Platforms:WindowsLinux
Stars1,235
Updated3 years ago
LicenseMIT
Release2017
Genre: RPG
Theme: Fantasy
Active
xoreos screenshot

Clone of Neverwinter Nights

An open-source reimplementation of BioWare's Aurora engine, aiming to run NWN through Dragon Age II — no game has full gameplay yet.
Platforms:WindowsLinuxOSX
Stars1,173
Updated2 months ago
LicenseGPL-3.0
Release2010
Genre: RPG
Theme: Fantasy
Halted
Riiablo screenshot

Clone of Diablo II

An in-progress, from-scratch Java rebuild of Diablo II for PC and Android, requiring the original game's assets; not yet playable.
Platforms:WindowsLinuxOSX
Stars1,100
Updated1 year ago
LicenseApache-2.0
Release2015
Genre: RPG
Theme: Fantasy
Active
KeeperFX screenshot

Clone of Dungeon Keeper

KeeperFX is an open-source expansion and remake of Dungeon Keeper for modern Windows, requiring the player's own original game files.
Platforms:Windows
Stars999
Updated1 month ago
LicenseGPL-2.0
Release2015
Genre: Simulation
Theme: Horror
Sporadic
Pokémon Ruby and Sapphire (original game, not this project)Original game image

Clone of Pokémon Ruby and Sapphire

A disassembly that rebuilds Pokémon Ruby and Sapphire's Game Boy Advance ROMs from source code.
Platforms:GBA
Stars987
Updated7 months ago
LicenseUnknown
Release2016
Genre: RPG
Theme: Fantasy
Active
Crispy Doom screenshot

Clone of Heretic

Crispy Doom is a limit-removing Doom source port with higher resolution, widescreen, and uncapped framerate, staying demo-compatible.
Platforms:WindowsLinuxOSX
Stars947
Updated2 months ago
LicenseGPL-2.0
Release2014
Genre: FPS
Theme: Fantasy
Active
World of Warcraft Engine Reimplementation screenshot

Clone of World of Warcraft

A native C++ World of Warcraft client with a Vulkan renderer supporting 1.12, 2.4.3 and 3.3.5a; you supply the game data.
Stars938
Updated1 month ago
LicenseUnknown
Release2026
Genre: MMORPG
Theme: Fantasy
Active
OpenMW screenshot

Clone of The Elder Scrolls III: Morrowind

An open-source engine for playing Morrowind and its expansions on modern systems, with its own construction set.
Platforms:WindowsLinuxOSX
Stars935
Updated1 month ago
Licensegpl-3.0+
Release2018
Genre: RPG
Theme: Fantasy
Active
Pokémon Red, Blue, and Yellow (original game, not this project)Original game image

Clone of Pokémon Red, Blue, and Yellow

A disassembly that rebuilds Pokémon Yellow's Game Boy ROM entirely from source code.
Platforms:Game Boy
Stars875
Updated2 months ago
LicenseUnknown
Release2015
Genre: RPG
Theme: Fantasy
Halted
TES3MP screenshot

Clone of The Elder Scrolls III: Morrowind

An OpenMW-based mod that adds full online multiplayer to The Elder Scrolls III: Morrowind.
Platforms:Windows
Stars868
Updated2 years ago
LicenseGPL-3.0
Release2016
Genre: RPG
Theme: Fantasy
Active
OpenEnroth screenshot

Clone of Might and Magic VI: The Mandate of Heaven

An open-source Might & Magic VI-VIII engine reimplementation, currently able to play Might and Magic VII on modern systems.
Platforms:WindowsLinuxOSX
Stars858
Updated1 month ago
LicenseLGPL-3.0
Release2016
Genre: RPG
Theme: Fantasy
Active
Quake (original game, not this project)Original game image

Clone of Quake

LibreQuake is free, GPL-compatible replacement game data for Quake, requiring a separate compatible engine such as vkQuake to run.
Platforms:WindowsLinuxOSX
Stars823
Updated1 month ago
LicenseUnknown
Release2019
Genre: FPS
Theme: Fantasy
Active
Minecraft (original game, not this project)Original game image

Clone of Minecraft

Modern Warfare 2, Skate 3 and Minecraft in one Rust game, built on the IW4L engine; needs your own copy of MW2.
Stars776
Updated1 month ago
LicenseApache-2.0
Release2026
Genre: Action
Theme: Fantasy
Active
Jedi Knight: Dark Forces II Engine Reimplementation screenshot

Clone of Star Wars Jedi Knight: Dark Forces II

A function-by-function C reimplementation of Jedi Knight: Dark Forces II for Windows, macOS, Linux and more.
Stars760
Updated1 month ago
LicenseUnknown
Release2018
Genre: Fighting
Theme: Fantasy
Sporadic
No preview

Clone of Barony

The official open-source release of Barony's source code, requiring a purchased copy since it excludes game assets.
Platforms:WindowsLinux
Stars711
Updated8 months ago
LicenseUnknown
Release2016
Genre: RPG
Theme: Fantasy
Active
HyperRogue screenshot

Clone of Deadly Rooms of Death

A GPLv2 puzzle roguelike set on the hyperbolic plane, exploring a procedurally generated non-Euclidean world of over 60 lands.
Platforms:WebWindowsLinux
Stars707
Updated1 month ago
LicenseGPL-2.0
Release2015
Genre: Puzzle
Theme: Fantasy
Active
Final Fantasy IX (original game, not this project)Original game image

Clone of Final Fantasy IX

A community engine rewrite for the PC Final Fantasy IX adding widescreen, 60fps+, bug fixes and a built-in mod manager.
Platforms:Windows
Stars697
Updated1 month ago
LicenseMIT
Release2016
Genre: RPG
Theme: Fantasy
Sporadic
WebQuake screenshot

Clone of Quake

WebQuake is a browser-based HTML5/WebGL port of Quake that supports multiplayer with native WinQuake and GLQuake clients.
Platforms:Web
Stars652
Updated6 months ago
LicenseUnknown
Release2013
Genre: FPS
Theme: Fantasy
Halted
DwarfCorp screenshot

Clone of Dwarf Fortress

An open-source, procedurally generated fantasy RTS/tycoon game where you manage a dwarf colony mining resources and fighting for profit.
Platforms:WindowsLinuxOSX
Stars628
Updated2 years ago
LicenseUnknown
Release2015
Genre: Strategy
Theme: Fantasy
Halted
OpenD2 screenshot

Clone of Diablo II

An early-stage open-source rewrite of the Diablo II engine that runs on the original game files, aimed at easier modding.
Platforms:WindowsLinux
Stars602
Updated5 years ago
LicenseGPL-3.0
Release2017
Genre: RPG
Theme: Fantasy
Active
Bloodborne (original game, not this project)Original game image

Clone of Bloodborne

A native Linux port that runs Bloodborne's PS4 executable with a Vulkan renderer and FSR upscaling.
Stars598
Updated1 month ago
LicenseGPL-2.0
Release2026
Genre: RPG
Theme: Fantasy
Active
Return to the Roots screenshot

Clone of The Settlers II

A community-maintained reimplementation of The Settlers II adding internet multiplayer, reusing the original's graphics and sound.
Platforms:WindowsLinuxOSX
Stars588
Updated2 months ago
LicenseGPL-2.0
Release2013
Active
Warcraft III (original game, not this project)Original game image

Clone of Warcraft III

Warsmash is an unofficial Java/LibGDX Warcraft III emulator that requires your own copy of the original game's assets.
Platforms:Windows
Stars559
Updated2 months ago
LicenseAGPL-3.0
Release2021
Active
The Legend of Dragoon (original game, not this project)Original game image

Clone of The Legend of Dragoon

Severed Chains rewrites Legend of Dragoon in Java with a modding API; it is not an emulator and needs your own disc images.
Stars540
Updated1 month ago
LicenseUnknown
Release2021
Genre: RPG
Theme: Fantasy

Browse all themes