Cloned Games

Free & Open Source Fantasy Games

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

Halted
donut screenshot
donut

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.
Platforms:WindowsLinux
Stars481
Updated2 years ago
LicenseGPL-3.0
Release2019
Genre: Action
Theme: Comedy
Halted
No preview
Little Big Adventure 1 - Engine source code

Clone 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.
Platforms:DOS
Stars474
Updated4 years ago
LicenseGPL-2.0
Release2021
Genre: Action
Theme: Fantasy
Active
HiveWE screenshot
HiveWE

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
Updated13 days ago
LicenseAGPL-3.0
Release2017
Genre: Real-Time Strategy
Theme: Fantasy
Active
Freeminer screenshot
Freeminer

Clone of Minecraft

Freeminer is an open-source Minecraft-inspired sandbox game forked from the Minetest engine, playable on Windows, Linux, and Android.
Platforms:WindowsLinuxAndroid
Stars467
Updated11 days ago
LicenseUnknown
Release2013
Genre: Action
Theme: Fantasy
Halted
Magarena screenshot
Magarena

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
DarkPlaces screenshot
DarkPlaces

Clone of Quake

DarkPlaces is a Quake engine fork adding modern rendering and an expanded QuakeC scripting language, running many Quake-based games.
Platforms:WindowsLinuxOSX
Stars443
Updated25 days ago
LicenseGPL-2.0
Release2021
Genre: FPS
Theme: Fantasy
Active
Wargus screenshot
Wargus

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
Updated21 days ago
LicenseGPL-2.0
Release2015
Genre: Real-Time Strategy
Theme: Fantasy
Active
MegaGlest screenshot
MegaGlest

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
Updated2 months ago
LicenseUnknown
Release2013
Genre: Real-Time Strategy
Theme: Medieval
Active
No preview
SR

Clone 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.
Platforms:WindowsLinux
Stars416
Updated1 month ago
LicenseUnknown
Release2016
Genre: RPG
Theme: Anime
Active
ezQuake screenshot
ezQuake

Clone of Quake

ezQuake is a modern QuakeWorld client combining features from established clients, with QTV spectating, a server browser, and scripting.
Platforms:WindowsLinuxOSX
Stars415
Updated13 days ago
LicenseGPL-2.0
Release2010
Genre: FPS
Theme: Fantasy
Halted
Manic Digger screenshot
Manic Digger

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.
Platforms:Windows
Stars402
Updated2 years ago
LicenseUnknown
Release2014
Genre: Action
Theme: Fantasy
Halted
Anodyne screenshot
Anodyne

Clone of Anodyne

The complete official source and asset repository for Anodyne, including its Flixel codebase, level data, music, and the DAME level editor.
Platforms:Windows
Stars392
Updated2 years ago
LicenseUnknown
Release2020
Genre: Action
Theme: Fantasy
Active
No preview
Pikmin 2

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
Updated12 days ago
LicenseCC0-1.0
Release2021
Genre: Real-Time Strategy
Theme: Fantasy
Archived
No preview
OpenMW for Android

Clone of The Elder Scrolls III: Morrowind

An archived Android port of the OpenMW engine for playing Morrowind on phones and tablets.
Platforms:Android
Stars360
Updated4 years ago
LicenseGPL-3.0
Release2018
Genre: RPG
Theme: Fantasy
Halted
MinecraftC screenshot
MinecraftC

Clone of Minecraft

A C port of Minecraft Classic 0.0.30a using SDL2 and OpenGL, with optional raytracing in its modded build.
Platforms:WindowsOSX
Stars349
Updated1 year ago
LicenseMIT
Release2021
Genre: Action
Theme: Fantasy
Sporadic
FTE QuakeWorld screenshot
FTE QuakeWorld

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.
Platforms:WindowsLinux
Stars341
Updated3 months ago
LicenseGPL-2.0
Release2021
Genre: FPS
Theme: Fantasy
Archived
No preview
UnderworldExporter

Clone 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.
Platforms:Windows
Stars340
Updated2 years ago
LicenseMIT
Release2014
Genre: RPG
Theme: Fantasy
Active
three-quake screenshot
three-quake

Clone of Quake

A browser-playable Three.js port of Quake, bundling shareware Episode 1 and supporting the full game with your own data.
Platforms:Web
Stars333
Updated1 month ago
LicenseGPL-2.0
Release2026
Genre: FPS
Theme: Fantasy
Halted
Project Porcupine screenshot
Project Porcupine

Clone of Dwarf Fortress

A Unity tutorial project and base-building game skeleton inspired by Dwarf Fortress and RimWorld.
Platforms:WindowsLinuxOSX
Stars325
Updated1 year ago
LicenseGPL-3.0
Release2017
Genre: Strategy
Theme: Fantasy
Active
UnderworldGodot screenshot
UnderworldGodot

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.
Platforms:Windows
Stars323
Updated11 days ago
LicenseMIT
Release2023
Genre: RPG
Theme: Fantasy
Active
No preview
pokeemerald-wasm

Clone of Pokémon Ruby and Sapphire

A WebAssembly recompilation of the pokeemerald decompilation, letting Pokémon Emerald run in any browser.
Platforms:Web
Stars308
Updated1 month ago
LicenseUnknown
Release2026
Genre: RPG
Theme: Fantasy
Sporadic
Doomsday Engine screenshot
Doomsday Engine

Clone of Heretic

A portable, enhanced source port supporting Doom I/II, Heretic, and Hexen, built as cross-platform C++ libraries.
Platforms:WindowsLinuxOSX
Stars303
Updated3 months ago
LicenseUnknown
Release2011
Genre: FPS
Theme: Fantasy
Sporadic
No preview
Scuffed Minecraft

Clone of Minecraft

A self-described "very scuffed" Minecraft clone, built as a learning project and companion to a YouTube series.
Platforms:WindowsLinux
Stars303
Updated9 months ago
LicenseMIT
Release2024
Genre: Action
Theme: Fantasy
Archived
PrBoom+ screenshot
PrBoom+

Clone of Heretic

Platforms:WindowsLinuxOSX
Stars301
Updated3 years ago
LicenseGPL2*
Release2017
Genre: FPS
Theme: Fantasy
Active
No preview
Pikmin

Clone of Pikmin

A complete matching decompilation of Nintendo's 2001 GameCube game Pikmin; your own copy of the game is required.
Platforms:GameCube
Stars300
Updated19 days ago
LicenseCC0-1.0
Release2021
Genre: Puzzle
Theme: Fantasy
Active
No preview
Odamex

Clone of Heretic

A client/server Doom source port for Internet multiplayer with up to 255 players and many competitive game modes.
Platforms:WindowsLinuxOSX
Stars294
Updated11 days ago
LicenseGPL-2.0
Release2015
Genre: FPS
Theme: Fantasy
Halted
No preview
Abyss Engine

Clone of Diablo II

A clean-room reimplementation in C of the Diablo II engine, currently unplayable with development halted.
Platforms:WindowsLinuxOSX
Stars291
Updated2 years ago
LicenseMIT
Release2024
Genre: RPG
Theme: Fantasy
Sporadic
No preview
LBA2 Remake

Clone 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.
Platforms:Web
Stars286
Updated5 months ago
LicenseMIT
Release2018
Genre: Action
Theme: Fantasy
Active
No preview
NES Games Disassembly

Clone of Solstice: The Quest for the Staff of Demnos

Compilable, editable disassemblies of 26 NES games that rebuild ROMs identical to the originals.
Platforms:NES
Stars282
Updated1 month ago
LicenseUnknown
Release2021
Genre: Action
Theme: Fantasy
Halted
DGEngine screenshot
DGEngine

Clone of Diablo

A from-scratch Diablo 1 engine that can also run Hellfire, Diablo II, and fan games like Diablo Flare, dual-licensed.
Platforms:WindowsLinux
Stars271
Updated1 year ago
LicenseUnknown
Release2016
Genre: RPG
Theme: Horror
Active
No preview
The Eternity Engine

Clone of Heretic

An advanced Doom-engine source port descended from SMMU, built with SDL2 and actively maintained across major platforms.
Platforms:WindowsOSX
Stars268
Updated19 days ago
LicenseGPL-3.0
Release2014
Genre: FPS
Theme: Fantasy
Active
Lost City screenshot
Lost City

Clone of RuneScape

A from-scratch RuneScape server targeting an early 2004-era version of the game, actively developed and MIT licensed.
Platforms:WebWindowsLinux
Stars267
Updated2 months ago
LicenseMIT
Release2025
Genre: MMORPG
Theme: Fantasy
Active
No preview
OpenDominion

Clone of Dominion

A playable open-source browser remake of Dominion, the defunct text-based fantasy war game from Kamikaze Games.
Platforms:Web
Stars262
Updated12 days ago
LicenseAGPL-3.0
Release2015
Genre: Turn-Based Strategy
Theme: Fantasy
Active
No preview
Heretic2R

Clone of Heretic II

A reverse-engineered source port of Heretic II adding widescreen support and bugfixes, with a fully completable singleplayer campaign.
Platforms:None
Stars259
Updated1 month ago
LicenseGPL-3.0
Release2024
Genre: Action
Theme: Fantasy
Archived
No preview
Hyperium

Clone of Minecraft

Hyperium was a Forge-based Minecraft client mod that has since been discontinued, with maintainers pointing users to replacement mods.
Platforms:None
Stars253
Updated5 years ago
LicenseLGPL-3.0
Release2018
Genre: Action
Theme: Fantasy
Halted
No preview
undertale

Clone of Undertale

A shared dump of source code the uploader says may be decompiled Undertale, received from a third party (not from Toby Fox).
Platforms:None
Stars244
Updated7 years ago
LicenseUnknown
Release2019
Genre: RPG
Theme: Comedy
Halted
2006scape screenshot
2006scape

Clone of RuneScape

2006Scape is an actively developed, open-source Java emulation server and client for the 2006-era version of RuneScape.
Platforms:WebWindowsLinux
Stars241
Updated1 year ago
LicenseGPL-3.0
Release2019
Genre: MMORPG
Theme: Fantasy
Active
Chocolate Quake screenshot
Chocolate Quake

Clone of Quake

Chocolate Quake is a minimalist Quake source port preserving the original DOS/WinQuake v1.09 experience over modern enhancements.
Platforms:WindowsLinuxOSX
Stars217
Updated19 days ago
LicenseGPL-3.0
Release2025
Genre: FPS
Theme: Fantasy
Sporadic
Mocha Doom screenshot
Mocha Doom

Clone of Heretic

A pure Java source port of Doom, nearly complete but still missing network multiplayer.
Platforms:Linux
Stars217
Updated8 months ago
LicenseGPL-3.0
Release2015
Genre: FPS
Theme: Fantasy

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