Free & Open Source Clones & Remakes of Retro Games

3,241 open-source clones and remakes of 1,919 retro games — real source code you can read, fork, and play today, not just a free download.

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New clones and notable updates, roughly monthly. No spam, unsubscribe anytime.

Sporadic

Stargus

Clone of StarCraft

A StarCraft remake built on the open-source Stratagus engine, requiring an existing StarCraft install for game data.

Platforms:WindowsLinuxOSX

Stars156

Updated9 months ago

LicenseGPL-2.0

Release2015

Genre: Real-Time Strategy

Theme: Sci-Fi

Active

No preview

Mafia: Toolkit

Clone of Mafia II

A Windows modding toolkit for the Mafia series, with file parsers, editors, and a DirectX 11 3D map editor for several games.

Platforms:Windows

Stars155

Updated1 month ago

LicenseUnknown

Release2018

Genre: Action

Theme: Crime

Halted

Abuse 1996

Clone of Abuse

A fork of the Abuse SDL2 port adding OpenGL rendering, high-res images, cheat console, and Xbox 360 controller support for Windows.

Platforms:Windows

Stars154

Updated10 years ago

LicenseUnknown

Release2016

Genre: Action

Theme: Horror

Sporadic

Dune Dynasty

Clone of Dune 2

A cross-platform enhancement of Dune II built on OpenDUNE, adding widescreen graphics, multiplayer for up to 6, and fan campaigns.

Platforms:WindowsLinux

Stars154

Updated8 months ago

LicenseGPL-2.0

Release2023

Genre: Real-Time Strategy

Theme: Sci-Fi

Halted

No preview

cgb

Clone of 3-D Ultra Pinball: Thrillride

An official source release covering the Game Boy Color pinball titles from Left Field Productions, including 3-D Ultra Pinball: Thrillride.

Platforms:Game Boy

Stars154

Updated6 years ago

LicenseUnknown

Release2020

Genre: —

Theme: —

Active

mc2

Clone of MechCommander 2

An open-source reimplementation of MechCommander 2's closed engine, fixing bugs, with networking left unfinished.

Platforms:WindowsLinux

Stars154

Updated28 days ago

LicenseGPL-3.0

Release2016

Genre: Real-Time Tactics

Theme: Sci-Fi

Halted

OpenGoo

Clone of World of Goo

A GPLv3 Qt5/OpenGL clone of World of Goo whose pre-Alpha2 rewrite is not yet playable.

Platforms:WindowsLinuxOSX

Stars153

Updated6 years ago

LicenseUnknown

Release2011

Genre: Puzzle

Theme: —

Active

War1

Clone of Warcraft: Orcs & Humans

An in-progress C remake of Warcraft: Orcs & Humans using the original game's assets, with core RTS features implemented.

Platforms:WindowsLinuxRaspberry Pi

Stars153

Updated1 month ago

LicenseZlib

Release2018

Genre: Real-Time Strategy

Theme: Fantasy

Halted

No preview

OpenNefia

Clone of Elona

A moddable .NET engine reimplementation of the Japanese roguelike RPG Elona, still a work in progress.

Platforms:Windows

Stars152

Updated2 years ago

LicenseMIT

Release2021

Genre: Roguelike

Theme: Fantasy

Halted

Open Meridian

Clone of Meridian 59

A community fork of the released Meridian 59 source code, with client, server and tools for running the classic online RPG.

Platforms:Windows

Stars151

Updated9 years ago

LicenseUnknown

Release2013

Genre: RPG

Theme: —

Archived

engge

Clone of Thimbleweed Park

An open-source reimplementation of the Thimbleweed Park engine, needing the original game's data files, since discontinued.

Platforms:WindowsLinuxOSX

Stars151

Updated3 years ago

LicenseMIT

Release2018

Genre: Adventure

Theme: Comedy

Halted

No preview

hode

Clone of Heart of Darkness

A reimplementation of the Heart of Darkness engine, requiring your own copy of the original game's Windows data files to run.

Platforms:WindowsLinuxAndroid

Stars151

Updated2 years ago

LicenseUnknown

Release2019

Genre: Platform

Theme: —

Halted

WarMUX

Clone of Worms Series

WarMUX is a preserved, free open-source clone of the Worms artillery game series, using its own original assets.

Platforms:WindowsLinuxOSX

Stars150

Updated3 years ago

LicenseGPL-2.0

Release2016

Genre: Turn-Based Strategy

Theme: —

Halted

Zuma-Deluxe-HD

Clone of Zuma

A remake of the 2003 PopCap puzzle game Zuma with HD textures and widescreen support; a stable v0.1.0 build is playable.

Platforms:Windows

Stars150

Updated1 year ago

LicenseMIT

Release2022

Genre: Puzzle

Theme: —

Active

kys-pascal

Clone of Heroes of Jin Yong

A Pascal remake of the DOS RPG Heroes of Jin Yong supporting most original mods, with a separate, less complete C++ branch.

Platforms:WindowsLinuxOSX

Stars149

Updated1 month ago

LicenseUnknown

Release2015

Genre: RPG

Theme: Fantasy

Active

remc2

Clone of Magic Carpet 2

remc2 is a reverse-engineered, HD-resolution (up to 4K) reimplementation of Magic Carpet 2 with modern controls.

Platforms:WindowsLinux

Stars149

Updated12 days ago

LicenseUnknown

Release2018

Genre: FPS

Theme: Fantasy

Active

Tails Adventure Remake

Clone of Tails Adventure

A from-scratch C++ remake of the Game Gear metroidvania Tails Adventure, fully playable end-to-end.

Platforms:WindowsLinuxAndroid

Stars148

Updated1 month ago

LicenseGPL-3.0

Release2022

Genre: Action

Theme: Anime

Active

KotOR.js

Clone of Star Wars: Knights of the Old Republic

A from-scratch reimplementation of the Odyssey engine used by both KotOR games, written in TypeScript and run via Electron or browser.

Platforms:Web

Stars147

Updated13 days ago

LicenseGPL-3.0

Release2018

Genre: RPG

Theme: Sci-Fi

Active

Luminol

Clone of RPG Maker

An experimental Rust remake of the RGSS RPG Maker XP editor, with native builds and a Chromium-only browser build.

Platforms:None

Stars147

Updated1 month ago

LicenseGPL-3.0

Release2022

Genre: RPG

Theme: —

Halted

Catacomb

Clone of Catacomb

The original Turbo Pascal 5.5 source code for Catacomb under GPLv2, though its game data files remain separately copyrighted.

Platforms:DOS

Stars145

Updated12 years ago

LicenseGPL-2.0

Release2014

Genre: Action

Theme: Fantasy

Archived

DarkFO

Clone of Fallout 2

A from-scratch, browser-based reimplementation of the Fallout 2 engine, incomplete — missing features like the PipBoy map.

Platforms:None

Stars145

Updated7 years ago

LicenseApache-2.0

Release2015

Genre: RPG

Theme: —

Halted

No preview

DroidQuest

Clone of Robot Odyssey

A Java recreation of Robot Odyssey I, running on Windows, Linux, and macOS under a permissive MIT-style license.

Platforms:WindowsLinuxOSX

Stars145

Updated3 years ago

LicenseUnknown

Release2014

Genre: Adventure

Theme: Sci-Fi

Halted

Elite: The New Kind

Clone of Elite

A Windows remake of Elite built with Allegro and DirectX, reaching Release 1.0 on 22 July 2001 after several betas.

Platforms:Windows

Stars145

Updated11 years ago

LicenseUnknown

Release2014

Genre: Action

Theme: Sci-Fi

Halted

Cosmore

Clone of Cosmo's Cosmic Adventure

A reconstruction of Cosmo's Cosmic Adventure v1.20 source code, measured at 96.30% byte-for-byte accuracy against the original DOS binary.

Platforms:DOS

Stars143

Updated1 year ago

LicenseUnknown

Release2020

Genre: Platform

Theme: —

People are curious about clones of...

Games you know, and the open-source projects that recreate them.

View all originals

Minecraft

2009Action

The block-building sandbox that reshaped an entire genre — open-source clones range from full Java reimplementations to engines built from scratch.

41 clones to play

Doom

1993FPS

The 1993 shooter that defined the genre and sparked a modding culture still alive today — its source release made it one of gaming's most-cloned engines.

40 clones to play

Quake

1996FPS

id Software's fully-3D follow-up to Doom — its GPL-released source (QuakeC included) made it one of the most forked engines in open-source gaming.

20 clones to play

Super Mario

1985Platform

The NES platformer that made side-scrolling mainstream — open-source engines recreate its physics and level format down to the pixel.

20 clones to play

Legend of Zelda - A Link to the Past

1991Action

The SNES classic that set the template for top-down action-adventure — its engine and tile format have been reverse-engineered many times over.

17 clones to play

Diablo II

2000RPG

Blizzard North's dungeon-crawler that defined the ARPG genre — reverse-engineered projects like OpenDiablo2 rebuild it from the original assets up.

6 clones to play

Grand Theft Auto

1998Action

The open-world franchise everyone's talking about again — its early file formats and engines have been reverse-engineered for years, well before GTA 6 hype.

3 clones to play

StarCraft

1998Real-Time Strategy

Blizzard's 1998 real-time strategy game that helped build esports as we know it — open-source engines keep its campaign and balance playable today.

4 clones to play

Sonic the Hedgehog

1991Platform

Sega's answer to Mario — its physics and level format have been painstakingly reverse-engineered by fan projects for decades.

7 clones to play