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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Heroes of Civilizations

Clone of Yu-Gi-Oh!

An open-source strategy card game inspired by Yu-Gi-Oh!, built on the Irrlicht engine with Lua scripting and entirely original artwork.

Platforms:Windows

Stars23

Updated1 month ago

LicenseGPL-2.0

Release2020

Genre: Card Game

Theme: —

Archived

IO Reboot

Clone of Infinity Loop

An Android puzzle game built with Unity, featuring algorithmically generated, infinite levels of increasing pipe-rotation difficulty.

Platforms:Android

Stars23

Updated8 years ago

LicenseMIT

Release2016

Genre: Puzzle

Theme: —

Active

No preview

Mario Golf 64

Clone of Mario Golf

A matching decompilation of the North American Mario Golf 64 ROM, reproducing the original byte-for-byte when built.

Platforms:N64

Stars23

Updated2 months ago

LicenseMIT

Release2023

Genre: Sports

Theme: —

Halted

Minesweeper (Vue.js)

Clone of Minesweeper

A browser Minesweeper built with Vue, Vuex and Vuetify, playable online.

Platforms:Web

Stars23

Updated3 years ago

LicenseMIT

Release2020

Genre: Puzzle

Theme: —

Halted

OpenGGS

Clone of The Great Giana Sisters

A C/C++ SDL2 remake of The Great Giana Sisters with a level editor and reworked physics, needing no original game files.

Platforms:None

Stars23

Updated3 years ago

LicenseGPL-2.0

Release2017

Genre: Platform

Theme: —

Archived

No preview

OpenNox

Clone of Nox

A community project extending the Nox engine for Windows and Linux, supporting the full campaign and online play.

Platforms:WindowsLinux

Stars23

Updated1 year ago

LicenseGPL-3.0

Release2024

Genre: Action

Theme: Fantasy

Sporadic

No preview

RZDoom

Clone of Doom

A cross-platform, modernized ZDoom fork for Doom, fully wad/mod-compatible, using FMOD Studio audio and software rendering.

Platforms:WindowsLinuxOSX

Stars23

Updated7 months ago

LicenseGPL-2.0

Release2024

Genre: FPS

Theme: Sci-Fi

Halted

Stunt Car Racer STE

Clone of Stunt Car Racer

An early-stage experiment patching the Atari ST version of Stunt Car Racer to use its Blitter chip for faster 3D rendering.

Platforms:Atari

Stars23

Updated5 years ago

LicenseUnknown

Release2021

Genre: Racing

Theme: —

Active

Teletext Elite

Clone of Elite

A documented hack of BBC Micro Elite that converts its graphics to the console's teletext Mode 7 display.

Platforms:BBC Micro

Stars23

Updated19 days ago

LicenseUnknown

Release2022

Genre: Action

Theme: Sci-Fi

Active

No preview

Tiny Mario

Clone of Super Mario Bros.

A text-based reimagining of Super Mario Bros., rendered in Unicode Braille to fit inside a browser's address bar.

Platforms:Web

Stars23

Updated1 month ago

LicenseUnlicense

Release2025

Genre: Action

Theme: —

Archived

No preview

digdug-7800

Clone of Dig Dug

Platforms:Atari

Stars23

Updated11 years ago

LicenseUnknown

Release2015

Genre: Action

Theme: Fantasy

Halted

No preview

eech_source_code

Clone of Enemy Engaged

The official public source-code release for the combat flight simulator Enemy Engaged: Comanche vs Hokum, targeting Windows.

Platforms:Windows

Stars23

Updated5 years ago

LicenseUnknown

Release2018

Genre: Simulation

Theme: Modern Military

Halted

No preview

ff3

Clone of Final Fantasy III

A disassembly and ROM documentation of Final Fantasy III for the NES.

Platforms:NES

Stars23

Updated4 years ago

LicenseUnknown

Release2021

Genre: RPG

Theme: Fantasy

Sporadic

Bagman500

Clone of Bagman

A remake of Bagman built from Z80 ROM analysis of its original arcade AI and timing, with the Amiga build transcoding ~99% of that logic.

Platforms:WindowsAmiga

Stars22

Updated7 months ago

LicenseUnknown

Release2019

Genre: Platform

Theme: —

Halted

BobBall

Clone of JezzBall

A free, open-source Android version of JezzBall with infinite levels and a top-scores table.

Platforms:Android

Stars22

Updated2 years ago

LicenseUnknown

Release2012

Genre: Arcade

Theme: —

Halted

No preview

DuckHunt

Clone of Duck Hunt

An HTML5-canvas remake of Duck Hunt using the cake.js animation framework, described by its author as a small project made to kill time.

Platforms:Web

Stars22

Updated4 years ago

LicenseUnknown

Release2013

Genre: Arcade

Theme: —

Active

No preview

Enemy Nations Revival

Clone of Enemy Nations

A source-code revival and SDL2 port of Enemy Nations to modern Windows, Linux, and macOS, with restored music and TCP/UDP multiplayer.

Platforms:Windows

Stars22

Updated13 days ago

LicenseUnknown

Release2022

Genre: Real-Time Strategy

Theme: —

Halted

No preview

H-Craft Championship

Clone of Wipeout

The released, mostly zlib-licensed source code for H-Craft Championship, originally developed by Irrgheist, for Windows, Linux, and Android.

Platforms:WindowsLinuxAndroid

Stars22

Updated2 years ago

LicenseUnknown

Release2020

Genre: Racing

Theme: Sci-Fi

Archived

Igor

Clone of Igor: Objective Uikokahonia

A from-scratch x86 decoder/interpreter for Igor: Objetivo Uikokahonia, reimplementing higher-level functions atop the original executable.

Platforms:WindowsLinuxAndroid

Stars22

Updated8 years ago

LicenseUnknown

Release2012

Genre: Adventure

Theme: —

Halted

MBF-SNM

Clone of Doom

A modification of the MBF Doom source port that adds the fan-made Sigil and Sigil II episodes, targeting DOS.

Platforms:DOS

Stars22

Updated2 years ago

LicenseGPL-2.0

Release2019

Genre: FPS

Theme: Sci-Fi

Active

Mines3D

Clone of Minesweeper

An Android Minesweeper variant on a two-layer grid, where clues count mines on both layers.

Platforms:Android

Stars22

Updated14 days ago

LicenseGPL-3.0

Release2017

Genre: Puzzle

Theme: —

Halted

No preview

Missile Command

Clone of Missile Command

A clone of Atari's 1980 arcade game Missile Command, built with the LÖVE framework.

Platforms:WindowsLinuxOSX

Stars22

Updated2 years ago

LicenseGPL-3.0

Release2011

Genre: Arcade

Theme: Sci-Fi

Halted

Rezcraft

Clone of Minecraft

A Minecraft-inspired voxel sandbox engine in Rust with wgpu, supporting native and WebAssembly builds and live-editable blocks.

Platforms:None

Stars22

Updated2 years ago

LicenseGPL-3.0

Release2023

Genre: Action

Theme: Fantasy

Sporadic

No preview

SF1DISASM

Clone of Shining Force

A fully documented Shining Force disassembly that reassembles into a bit-perfect ROM, meant as a base for fan mods.

Platforms:Genesis

Stars22

Updated10 months ago

LicenseUnknown

Release2015

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