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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Sporadic

2048.c

Clone of 2048

A console implementation of 2048 written in C for GNU/Linux, also tested on FreeBSD and OpenBSD.

Platforms:Linux

Stars670

Updated5 months ago

LicenseMIT

Release2014

Genre: Puzzle

Theme: —

Active

Sonic Advance 2

Clone of Sonic Advance

A work-in-progress matching decompilation of Sonic Advance and Sonic Advance 2, with SDL, PS2, and PSP ports.

Platforms:WindowsLinuxOSX

Stars664

Updated1 month ago

LicenseUnknown

Release2022

Genre: Platform

Theme: —

Active

No preview

Oolite

Clone of Elite

An open-source Elite clone for modern PCs that can be heavily extended with expansion packs adding ships, graphics and gameplay.

Platforms:WindowsLinux

Stars659

Updated12 days ago

LicenseUnknown

Release2013

Genre: Action

Theme: Sci-Fi

Sporadic

Open Hexagon

Clone of Super Hexagon

An open-source, Lua-scriptable arcade survival game inspired by Super Hexagon, with a 180° swap move and online leaderboards.

Platforms:WindowsLinux

Stars656

Updated4 months ago

LicenseUnknown

Release2012

Genre: Rhythm

Theme: —

Active

OpenCiv3

Clone of Civilization III

A fan-made, mod-friendly Civilization III remake built with Godot and C#, currently in pre-alpha.

Platforms:WindowsLinuxOSX

Stars656

Updated12 days ago

LicenseMIT

Release2021

Genre: Turn-Based Strategy

Theme: —

Sporadic

WebQuake

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

Updated5 months ago

LicenseUnknown

Release2013

Genre: FPS

Theme: Fantasy

Halted

Stunt Rally

Clone of TrackMania

A VDrift/OGRE-based 3D rally-stunt racer with 202 tracks, 25 vehicles, and a built-in Track Editor for GNU/Linux and Windows.

Platforms:WindowsLinux

Stars647

Updated2 years ago

LicenseGPL-3.0

Release2011

Genre: Racing

Theme: —

Active

No preview

Performous

Clone of Dance Dance Revolution

An open-source karaoke, band and dance game that uses SingStar, Guitar Hero and Rock Band controllers.

Platforms:WindowsLinuxOSX

Stars645

Updated26 days ago

LicenseUnknown

Release2012

Genre: Rhythm

Theme: —

Active

No preview

DXX-Rebirth

Clone of Descent

A source port of Descent and Descent II that modernizes them for current PCs with OpenGL rendering and UDP multiplayer.

Platforms:WindowsLinuxOSX

Stars637

Updated27 days ago

LicenseUnknown

Release2013

Genre: FPS

Theme: Sci-Fi

Active

Sonic 3 A.I.R.

Clone of Sonic 3

A non-profit fan remaster of Sonic 3 & Knuckles built on a custom engine, with a remastered soundtrack.

Platforms:WebWindowsLinux

Stars634

Updated14 days ago

LicenseGPL-3.0

Release2021

Genre: Platform

Theme: —

Halted

clidle

Clone of Wordle

A terminal-based, SSH-playable clone of Wordle written in Go, playable via a hosted SSH instance or local install.

Platforms:Linux

Stars633

Updated1 year ago

LicenseMIT

Release2022

Genre: Puzzle

Theme: —

Active

Duck Hunt JS

Clone of Duck Hunt

A from-scratch JavaScript/HTML5 remake of Duck Hunt playable in the browser, built with PixiJS, GreenSock, and Howler.

Platforms:Web

Stars632

Updated2 months ago

LicenseMIT

Release2011

Genre: Arcade

Theme: —

Active

LinCity-NG

Clone of SimCity

A modernized continuation of classic LinCity, a city-building sim where you build a sustainable city or evacuate everyone by spaceship.

Platforms:WindowsLinux

Stars632

Updated12 days ago

LicenseGPL-2.0

Release2015

Genre: Simulation

Theme: Management

Halted

No preview

wolf3d-browser

Clone of Spear of Destiny

id Software's GPL source release for the free, browser-playable version of Wolfenstein 3D published by Bethesda.

Platforms:Web

Stars632

Updated13 years ago

LicenseGPL-2.0

Release2013

Genre: FPS

Theme: —

Active

GLSMAC

Clone of Sid Meier's Alpha Centauri

An unofficial open-source reimplementation of Sid Meier's Alpha Centauri and Alien Crossfire, requiring a legally owned original copy.

Platforms:WindowsLinux

Stars631

Updated15 days ago

LicenseAGPL-3.0

Release2023

Genre: Turn-Based Strategy

Theme: —

Halted

DwarfCorp

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

No preview

Return to Castle Wolfenstein Single Player

Clone of Return to Castle Wolfenstein

Official id Software GPL source release of Return to Castle Wolfenstein's single-player code; game data isn't included.

Platforms:Windows

Stars627

Updated5 years ago

LicenseGPL-3.0

Release2012

Genre: FPS

Theme: Sci-Fi

Halted

No preview

smw

Clone of Super Mario World

A reverse-engineered reimplementation of Super Mario World, verified frame-by-frame against a reference emulator for accuracy.

Platforms:SNES

Stars622

Updated2 years ago

LicenseUnknown

Release2023

Genre: Platform

Theme: —

Archived

No preview

Chocolate Duke3D

Clone of Duke Nukem 3D

A faithful, now-archived source port of Duke Nukem 3D staying close to the original code, with added educational comments.

Platforms:WindowsLinuxOSX

Stars619

Updated7 years ago

LicenseUnknown

Release2012

Genre: FPS

Theme: —

Halted

No preview

Wolfenstein: Enemy Territory

Clone of Wolfenstein: Enemy Territory

id Software's GPL release of Wolfenstein: Enemy Territory, the free multiplayer FPS spun off from Return to Castle Wolfenstein.

Platforms:WindowsLinux

Stars613

Updated14 years ago

LicenseGPL-3.0

Release2012

Genre: FPS

Theme: World War II

Active

No preview

Portal 64: Still Alive

Clone of Portal

A fan-made N64 demake of Valve's Portal, requiring your own legally owned copy of the original game's files.

Platforms:N64

Stars611

Updated15 days ago

LicenseMIT

Release2023

Genre: FPS

Theme: —

Active

Librelancer

Clone of Freelancer

A C# and OpenGL reimplementation of Freelancer for Windows and Linux, requiring an existing Freelancer installation to run.

Platforms:WindowsLinux

Stars609

Updated12 days ago

LicenseUnknown

Release2015

Genre: Action

Theme: Sci-Fi

Active

Open Fodder

Clone of Cannon Fodder

An open-source Cannon Fodder engine for modern systems, running the retail games or magazine demos, with scripted random maps.

Platforms:WebWindows

Stars603

Updated1 month ago

LicenseGPL-3.0

Release2012

Genre: Action

Theme: —

Halted

OpenD2

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

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