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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OpenEtG

Clone of Elements

An open-source, browser-playable fork of the Flash collectible card game Elements the Game.

Platforms:Web

Stars82

Updated14 days ago

LicenseMIT

Release2013

Genre: Turn-Based Strategy

Theme: —

Halted

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SharpMC

Clone of Minecraft

A from-scratch Minecraft server written in C#, supporting protocol 1.8.x with a custom world format.

Platforms:None

Stars82

Updated4 years ago

LicenseMIT

Release2015

Genre: Action

Theme: Fantasy

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Sonic Advance 3

Clone of Sonic Advance 3

A work-in-progress matching decompilation of the Game Boy Advance game Sonic Advance 3.

Platforms:GBA

Stars82

Updated12 days ago

LicenseUnknown

Release2023

Genre: Platform

Theme: —

Halted

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The Lost Vikings/Blackthorne Tools

Clone of Blackthorne

A public-domain toolset for extracting, viewing, and decompiling the DOS data files of The Lost Vikings and Blackthorne, tested on Linux.

Platforms:Linux

Stars82

Updated4 years ago

LicenseCC0-1.0

Release2016

Genre: Platform

Theme: Fantasy

Archived

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f2bgl

Clone of Fade to Black

f2bgl is an archived re-implementation of the Fade to Black (1995) game engine, playable on Windows and Android with configurable controls.

Platforms:WindowsAndroid

Stars81

Updated5 years ago

LicenseUnknown

Release2013

Genre: Action

Theme: —

Halted

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u4-decompiled

Clone of Ultima IV

A byte-accurate reverse-engineered decompilation of the DOS port of Ultima IV, built for study rather than as another remake.

Platforms:DOS

Stars81

Updated3 years ago

LicenseUnknown

Release2016

Genre: RPG

Theme: —

Halted

Match-3 Game HTML5

Clone of Bejeweled

A Bejeweled-style tile-matching puzzle game built with HTML5 Canvas and JavaScript as an educational tutorial code example.

Platforms:Web

Stars80

Updated3 years ago

LicenseMIT

Release2015

Genre: Puzzle

Theme: —

Halted

Phoenix DOOM

Clone of Doom

A remaster of the 3DO version of DOOM for Windows, macOS and Linux, based on its official source release.

Platforms:WindowsLinuxOSX

Stars80

Updated6 years ago

LicenseMIT

Release2019

Genre: FPS

Theme: Sci-Fi

Archived

WinWar

Clone of Warcraft: Orcs & Humans

A from-scratch, multiplatform port of Warcraft: Orcs & Humans using only the original art and level data; now archived.

Platforms:Windows

Stars80

Updated1 year ago

LicenseMIT

Release2015

Genre: Real-Time Strategy

Theme: Fantasy

Halted

Ultima 5 Redux

Clone of Ultima V: Warriors of Destiny

A C# remake of Ultima V using the original game's data files, staying mostly faithful to the source material.

Platforms:WindowsLinuxOSX

Stars79

Updated2 years ago

LicenseMIT

Release2019

Genre: RPG

Theme: —

Halted

Javascript Breakout

Clone of Breakout

An HTML5 canvas implementation of Breakout, built as a teaching project with an accompanying blog series on its development.

Platforms:Web

Stars78

Updated1 year ago

LicenseUnknown

Release2011

Genre: Arcade

Theme: —

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Mario Party 1 US Decomp

Clone of Mario Party

A decompilation project for the original N64 Mario Party's US ROM release, building on the earlier mpsource decompilation repo.

Platforms:N64

Stars78

Updated3 months ago

LicenseUnknown

Release2022

Genre: Party

Theme: —

Active

opendf

Clone of The Elder Scrolls II: Daggerfall

An early open-source engine for The Elder Scrolls II: Daggerfall, built on OpenSceneGraph and SDL2.

Platforms:Linux

Stars78

Updated26 days ago

LicenseGPL-3.0

Release2015

Genre: RPG

Theme: —

Halted

OpenMoonstone

Clone of Moonstone: A Hard Days Knight

A Rust reimplementation of the Amiga/DOS game Moonstone, with four-player local practice mode.

Platforms:WindowsLinux

Stars77

Updated3 years ago

LicenseAGPL-3.0

Release2016

Genre: Action

Theme: Fantasy

Archived

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OpenSR

Clone of Space Rangers 2: Dominators

An archived, partially complete open-source engine for Space Rangers 2 that needs files from the "Reboot" release.

Platforms:WindowsLinuxOSX

Stars77

Updated9 years ago

LicenseGPL-3.0

Release2011

Genre: Adventure

Theme: Sci-Fi

Halted

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Pokémon Battle Revolution

Clone of Pokémon Battle Revolution

A community decompilation of the Wii game Pokémon Battle Revolution, part of the pret project family.

Platforms:Wii

Stars77

Updated1 year ago

LicenseUnknown

Release2020

Genre: RPG

Theme: Fantasy

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Pokémon Puzzle Challenge

Clone of Pokémon Puzzle Challenge

A disassembly rebuilding the original Pokémon Puzzle Challenge Game Boy Color ROM from source using RGBDS.

Platforms:Game Boy

Stars77

Updated1 month ago

LicenseUnknown

Release2015

Genre: Puzzle

Theme: —

Halted

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Star Fighter

Clone of Star Fighter

The recovered 1995 3DO port source for Star Fighter, released in 2024, differing in several ways from the Acorn original.

Platforms:3DO

Stars77

Updated2 years ago

LicenseUnknown

Release2024

Genre: space simulator

Theme: Sci-Fi

Halted

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The Legend of Zelda

Clone of Legend of Zelda

A work-in-progress disassembly of the original NES Legend of Zelda, currently requiring your own ROM to build via the CC65 toolchain.

Platforms:NES

Stars77

Updated10 years ago

LicenseUnknown

Release2016

Genre: Action

Theme: —

Halted

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Tread Marks

Clone of Tread Marks

Platforms:WindowsOSX

Stars77

Updated9 years ago

LicenseGPL3*

Release2017

Genre: Racing

Theme: Sci-Fi

Halted

Light Cycle

Clone of Tron

A Rust/ggez implementation of Tron's light-cycle concept with AI opponents, local two-player matches, and an 8-bit retro look.

Platforms:None

Stars76

Updated1 year ago

LicenseMIT

Release2025

Genre: Arcade

Theme: —

Halted

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openstrike

Clone of DesertStrike: Return to the Gulf

An early, not-yet-playable reimplementation of Desert Strike and Jungle Strike, with asset unpacking and level-viewing tools.

Platforms:WindowsLinuxOSX

Stars76

Updated2 years ago

LicenseGPL-3.0

Release2014

Genre: Shmup

Theme: —

Halted

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ppengine

Clone of Pole Position

A mostly-complete 3D remake of Namco/Atari's arcade racer Pole Position, reverse-engineered from the real ROMs.

Platforms:Linux

Stars76

Updated5 years ago

LicenseUnknown

Release2016

Genre: Sports

Theme: Motorsports

Active

OpenDR

Clone of Dark Reign: The Future of War

A work-in-progress OpenRA mod recreating Auran's 1997 RTS Dark Reign, using content from the free demo.

Platforms:WindowsLinuxOSX

Stars75

Updated2 months ago

LicenseGPL-3.0

Release2018

Genre: Real-Time Strategy

Theme: Sci-Fi

* Unverified license (our read or source dataset) — check the repository itself.

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Quake

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Super Mario

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

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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.

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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.

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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.

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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.

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Sonic the Hedgehog

1991Platform

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

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