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.

Arcade Puzzle Platformer RPG Strategy FPS All genres →

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

Halted

No preview

Glider 4.0

Clone of Glider

The original source code for Glider 4.0, the classic Macintosh game by John Calhoun, originally published by Casady & Greene.

Platforms:Classic Mac OS

Stars115

Updated5 years ago

LicenseMIT

Release2016

Genre: Action

Theme: —

Sporadic

Flappy Bird for Gymnasium

Clone of Flappy Bird

Flappy Bird for Gymnasium is a Python package wrapping Flappy Bird as a reinforcement-learning environment for Gymnasium.

Platforms:None

Stars114

Updated8 months ago

LicenseMIT

Release2023

Genre: Arcade

Theme: —

Sporadic

Pandora's Blocks

Clone of Tetris: The Grand Master

A TGM-inspired block-stacking game for the original Game Boy, written in assembly.

Platforms:WebGame Boy

Stars114

Updated7 months ago

LicenseGPL-3.0

Release2023

Genre: Puzzle

Theme: Abstract

Active

Apolyton Call to Power II Source Code Project

Clone of Call to Power II

The Apolyton community's continuation of Call to Power II's official source code, building on Windows, Linux, and handheld devices.

Platforms:WindowsLinux

Stars113

Updated20 days ago

LicenseUnknown

Release2018

Genre: Turn-Based Strategy

Theme: —

Archived

Tapir

Clone of RPG Maker

A Linux re-implementation of the RGSS runtime used by RPG Maker XP, VX, and VX Ace games.

Platforms:Linux

Stars113

Updated8 years ago

LicenseUnknown

Release2017

Genre: RPG

Theme: —

Active

No preview

Yamagi Quake II Remaster

Clone of Quake 2

An experimental Yamagi Quake II fork adding Nightdive's Quake II remaster support and other id Tech-era game formats.

Platforms:WindowsLinuxOSX

Stars113

Updated12 days ago

LicenseUnknown

Release2023

Genre: FPS

Theme: Sci-Fi

Halted

Javascript BoulderDash

Clone of Boulder Dash

Javascript BoulderDash is an HTML5 remake of Boulder Dash playable in-browser, MIT-licensed, with development now halted.

Platforms:Web

Stars112

Updated1 year ago

LicenseUnknown

Release2011

Genre: Arcade

Theme: —

Halted

OpenMoM

Clone of Master of Magic

A from-scratch C++ rewrite of Master of Magic aiming for visual accuracy and extensible mechanics, still at prototype stage.

Platforms:WindowsLinuxOSX

Stars112

Updated2 years ago

LicenseGPL-3.0

Release2014

Genre: Turn-Based Strategy

Theme: Fantasy

Archived

No preview

glitch-hq-android

Clone of Glitch

The official source and assets for Glitch HQ, the companion Android app for Tiny Speck's MMO Glitch, released CC0 after retirement.

Platforms:Android

Stars112

Updated13 years ago

LicenseUnknown

Release2013

Genre: MMORPG

Theme: —

Halted

Antares

Clone of Ares

Antares is a port of Ares's 2008 source code to modern Linux and macOS, launching via a plugin picker defaulting to the original scenario.

Platforms:LinuxOSX

Stars111

Updated1 year ago

LicenseLGPL-3.0

Release2011

Genre: Arcade

Theme: —

Archived

No preview

Rise of the Triad: Dark War

Clone of Rise of the Triad

Apogee's official 2002 GPL source release of Rise of the Triad: Dark War (v1.3), one of the earliest FPS games with rocket jumping and CTF.

Platforms:None

Stars111

Updated8 years ago

LicenseUnknown

Release2012

Genre: FPS

Theme: —

Active

The Ur-Quan Masters HD MegaMod

Clone of Star Control 2

A fork of The Ur-Quan Masters HD-mod for Star Control II, adding many extra graphics options and QoL improvements.

Platforms:WindowsLinux

Stars111

Updated13 days ago

LicenseGPL-2.0

Release2019

Genre: Adventure

Theme: Sci-Fi

Halted

Gorc

Clone of Star Wars Jedi Knight: Dark Forces II

Gorc is an early-development open-source recreation of the Jedi Knight: Dark Forces II engine, aiming to run its levels on new platforms.

Platforms:None

Stars110

Updated5 years ago

LicenseApache-2.0

Release2013

Genre: Fighting

Theme: Fantasy

Active

Lander on the Acorn Archimedes

Clone of Zarch

A fully annotated reconstruction of the 1987 Lander source code for Acorn Archimedes, rebuilt from disassembly and verified byte-for-byte.

Platforms:BBC Micro

Stars110

Updated24 days ago

LicenseUnknown

Release2023

Genre: Action

Theme: —

Sporadic

Castle of the Winds in Elm

Clone of Castle of the Winds

A browser-playable Elm port of Castle of the Winds, the author's third attempt at the game, with sporadic development.

Platforms:Web

Stars109

Updated7 months ago

LicenseUnknown

Release2016

Genre: Roguelike

Theme: —

Halted

No preview

Castlequest

Clone of Castlequest

An authorized preservation of the original 1980 Fortran game Castlequest, recovered and transcribed from Copyright Office paper copies.

Platforms:Linux

Stars109

Updated5 years ago

LicenseUnknown

Release2021

Genre: Adventure

Theme: Fantasy

Halted

Lemmings.ts

Clone of Lemmings

A TypeScript/Vue browser remake of Lemmings that reads the original game binaries to support all official variants.

Platforms:Web

Stars109

Updated5 years ago

LicenseUnknown

Release2017

Genre: Puzzle

Theme: —

Active

SuperTuxParty

Clone of Mario Party

A free, open-source Godot party game built to replicate the multiplayer minigame feel of Mario Party.

Platforms:WindowsLinuxOSX

Stars109

Updated2 months ago

Licenseother

Release2018

Genre: Party

Theme: —

Halted

Word War vi

Clone of Defender

An open-source shooter in the spirit of Defender, built with PortAudio and libvorbisfile for Linux, macOS, and Windows.

Platforms:Linux

Stars109

Updated1 year ago

LicenseUnknown

Release2012

Genre: Arcade

Theme: Sci-Fi

Halted

No preview

HTML5 Wolfenstein 3D

Clone of Wolfenstein 3D

A browser-playable build of id Software/Bethesda's official HTML5 Wolfenstein 3D anniversary release, lightly modified to run here.

Platforms:Web

Stars108

Updated2 years ago

LicenseUnknown

Release2012

Genre: FPS

Theme: —

Active

No preview

LBA2 Classic (Community)

Clone of Little Big Adventure 2

A community fork of LBA2's 1997 engine ported to modern systems with HD rendering, gamepad support, and SDL3 audio; still pre-1.0.

Platforms:WindowsLinuxOSX

Stars108

Updated13 days ago

LicenseGPL-2.0

Release2021

Genre: Action

Theme: Fantasy

Active

No preview

Planet Blupi

Clone of Planet Blupi

Official repo for 1997's Planet Blupi, preserving the original source code under Git tags alongside ongoing development.

Platforms:WindowsLinux

Stars108

Updated1 month ago

LicenseUnknown

Release2017

Genre: Real-Time Strategy

Theme: —

Active

Civ2-clone

Clone of Civilization II

A from-scratch C#/Raylib rewrite of Civilization II that can load saves and move units, but core gameplay isn't complete yet.

Platforms:WindowsLinuxOSX

Stars107

Updated1 month ago

LicenseGPL-3.0

Release2020

Genre: Turn-Based Strategy

Theme: —

Active

No preview

Perfect Dark Decompilation

Clone of Perfect Dark

A complete matching decompilation of Rare's Perfect Dark for N64 that rebuilds a byte-identical ROM from your own copy.

Platforms:N64

Stars107

Updated1 month ago

Licensemit

Release2019

Genre: FPS

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