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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Halted

KevEdit

Clone of ZZT

KevEdit is a ZZT world editor originally made 2000-2005 by Kevin Vance and Ryan Phillips, revived on GitHub since 2023.

Platforms:WindowsLinuxOSX

Stars66

Updated2 years ago

LicenseGPL-2.0

Release2017

Genre: Action

Theme: —

Halted

Another World Suite

Clone of Another World

Another World Suite is a Rust implementation of the Another World game engine, compiled to WebAssembly to run in a browser.

Platforms:Web

Stars65

Updated3 years ago

LicenseMIT

Release2020

Genre: Adventure

Theme: Sci-Fi

Active

Dangerous Dave 2: Modification Edition

Clone of Dangerous Dave in the Haunted Mansion

Dangerous Dave 2: Modification Edition is an open-source, customizable remake built as a moddable shell for content packs.

Platforms:Windows

Stars65

Updated3 months ago

LicenseUnknown

Release2020

Genre: Platform

Theme: —

Halted

Galaforce ( BBC Micro )

Clone of Galaforce

This is Kevin Edwards' own release of the original 6502 source for Galaforce (1986, BBC Micro), reworked to build with BeebAsm.

Platforms:BBC Micro

Stars65

Updated7 years ago

LicenseUnknown

Release2019

Genre: Shooter

Theme: —

Halted

Glypha III

Clone of Glypha III

This repository contains the official source code for Glypha III, a shareware game originally written for early-1990s Macintosh.

Platforms:Classic Mac OS

Stars65

Updated5 years ago

LicenseMIT

Release2016

Genre: Arcade

Theme: —

Archived

No preview

Heavy Metal: F.A.K.K. 2

Clone of Heavy Metal: F.A.K.K. 2

This is the official released source code for Heavy Metal: F.A.K.K. 2, not a third-party remake; the project is archived.

Platforms:Windows

Stars65

Updated6 years ago

LicenseUnknown

Release2020

Genre: Shooter

Theme: Cyberpunk

Active

NLarn

Clone of Larn

A Larn-based roguelike that keeps Larn 12.3's story and atmosphere while improving gameplay and user experience.

Platforms:WindowsLinux

Stars65

Updated13 days ago

LicenseGPL-3.0

Release2018

Genre: Roguelike

Theme: —

Active

No preview

Space Station Silicon Valley N64

Clone of Space Station Silicon Valley

A work-in-progress decompilation of the N64 Space Station Silicon Valley, requiring a legally owned ROM.

Platforms:N64

Stars64

Updated18 days ago

LicenseUnknown

Release2021

Genre: Platform

Theme: —

Halted

No preview

Total Annihilation 3D

Clone of Total Annihilation

A real-3D OpenGL reimplementation of Total Annihilation, requiring the original game's resource files.

Platforms:WindowsLinuxOSX

Stars64

Updated4 years ago

LicenseGPL-2.0

Release2017

Genre: Real-Time Strategy

Theme: Sci-Fi

Sporadic

No preview

TurboQuake

Clone of Quake

TurboQuake is a fork of Quake's source code optimized for older x86 hardware, with restored MS-DOS support.

Platforms:WindowsLinuxDOS

Stars64

Updated4 months ago

LicenseUnknown

Release2021

Genre: FPS

Theme: Fantasy

Halted

libnpengine

Clone of Chaos;Head

libnpengine is a free reimplementation of the Nitroplus visual novel engine for Linux, currently able to run Steins;Gate and others.

Platforms:Linux

Stars64

Updated7 years ago

LicenseLGPL-3.0

Release2014

Genre: Adventure

Theme: Anime

Halted

Alien3-C64

Clone of Alien 3

This repository preserves Michael J Archer's complete 6502 assembly source code for the Commodore 64 version of Alien 3.

Platforms:C64

Stars63

Updated7 years ago

LicenseUnknown

Release2019

Genre: Action

Theme: Horror

Halted

No preview

Digbuild

Clone of Minecraft

Digbuild is an experimental voxel-based game similar to Minecraft, built in C++ with Agar, Boost, GMTL, and SDL, compiled with SCons.

Platforms:Linux

Stars63

Updated4 years ago

LicenseGPL-2.0

Release2011

Genre: Action

Theme: Fantasy

Halted

No preview

Dune 2 - The Maker - Java version

Clone of Dune 2

This is a Java implementation of a real-time strategy game, built with the slick2d-maven framework, requiring Maven and Java 1.8.

Platforms:None

Stars63

Updated5 years ago

LicenseMIT

Release2012

Genre: Real-Time Strategy

Theme: Sci-Fi

Halted

Minecraft

Clone of Minecraft

An unfinished Minecraft clone written in C++ and OpenGL, with development tracked on a public Trello board.

Platforms:WindowsLinux

Stars63

Updated4 years ago

LicenseMIT

Release2019

Genre: Action

Theme: Fantasy

Active

No preview

Q2REPRO

Clone of Quake 2

Q2REPRO is a Q2PRO fork built as a drop-in replacement for the official Quake II re-release engine.

Platforms:WindowsLinux

Stars63

Updated1 month ago

LicenseGPL-2.0

Release2023

Genre: FPS

Theme: Sci-Fi

Sporadic

shin

Clone of Umineko: When They Cry Saku

A Rust reimplementation of Entergram's visual-novel engine, currently running Switch's Umineko no Naku Koro ni Saku.

Platforms:WindowsLinuxOSX

Stars63

Updated9 months ago

LicenseMPL-2.0

Release2022

Genre: Adventure

Theme: Anime

Archived

No preview

Blood II: The Chosen

Clone of Blood II: The Chosen

This repository contains the officially released LithTech-engine source code for Blood II: The Chosen, released by Monolith.

Platforms:Windows

Stars62

Updated12 years ago

LicenseUnknown

Release2014

Genre: FPS

Theme: Sci-Fi

Halted

Open76

Clone of Interstate '76

An early-stage Unity reimplementation of the Interstate '76 engine that renders levels and cars from the original game data.

Platforms:None

Stars62

Updated6 years ago

LicenseGPL-3.0

Release2017

Genre: Action

Theme: Post-Apocalyptic

Halted

No preview

Shulkr

Clone of Minecraft

A command-line tool that decompiles multiple Minecraft versions and commits each one to a Git repository for diffing.

Platforms:None

Stars62

Updated2 years ago

LicenseApache-2.0

Release2021

Genre: Action

Theme: Fantasy

Halted

No preview

SiN Gold Game Source

Clone of SiN

Night Dive Studios' official source release of SiN Gold, the 1998 Ritual Entertainment shooter built on a modified Quake II engine.

Platforms:Windows

Stars62

Updated6 years ago

LicenseUnknown

Release2020

Genre: FPS

Theme: Sci-Fi

Active

TombaRecomp

Clone of Tomba!

A static recompilation of the PS1 game Tomba! into a native PC executable, using your own legally obtained disc.

Platforms:WindowsLinuxOSX

Stars62

Updated16 days ago

LicenseUnknown

Release2026

Genre: Adventure

Theme: Fantasy

Halted

Open Kick-Off

Clone of Kick Off

A hobby Java and libGDX rewrite of Dino Dini's 1990 football game Kick Off 2, with a desktop pre-release.

Platforms:WindowsLinuxOSX

Stars61

Updated2 years ago

LicenseMIT

Release2016

Genre: Sports

Theme: —

Archived

PseuWoW

Clone of World of Warcraft

An archived, from-scratch World of Warcraft client/server reimplementation requiring the original game's data files.

Platforms:WindowsLinux

Stars61

Updated14 years ago

LicenseUnknown

Release2010

Genre: MMORPG

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