Free & Open Source Clones & Decompilations of Retro Games

4,049 open-source clones, remakes and decompilations of 2,426 retro games — real source code you can read, fork, and play today, not just a free download.

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Sporadic

W.R. Hutsell's Wars of Napoleon Game

Clone of Wars of Napoleon

The preserved original DOS source code for W.R. Hutsell's Napoleonic Wars wargame, kept unedited for history.

Platforms:DOS

Stars0

Updated10 months ago

LicenseMIT

Release2021

Genre: Simulation

Theme: —

Halted

W.R. Hutsell's World War 2 In Western Europe Game

Clone of World War II In Western Europe

The preserved original DOS source code for W.R. Hutsell's Second World War strategy wargame, kept unedited for history.

Platforms:DOS

Stars0

Updated1 year ago

LicenseMIT

Release2021

Genre: Simulation

Theme: World War II

Sporadic

Wario Land: Shake It! (original game, not this project)

Original game image

Wario Land: Shake It! Decompilation

Clone of Wario Land: Shake It!

A decompilation project for Wario Land: Shake It!, built on the decomp-toolkit template.

Stars0

Updated11 months ago

LicenseCC0-1.0

Release2025

Genre: Platform

Theme: —

Halted

Wayne Gretzky's 3D Hockey (original game, not this project)

Original game image

WayneGretzky3dHockey

Clone of Wayne Gretzky's 3D Hockey

Platforms:N64

Stars0

Updated3 years ago

LicenseUnknown

Release2022

Genre: Sports

Theme: —

Halted

Yiff!

Clone of Chain Reaction

A 1998 DOS puzzle game where two players trigger chain reactions to turn a grid of foxes their color.

Platforms:DOS

Stars0

Updated4 years ago

LicenseUnknown

Release2022

Genre: Strategy

Theme: —

Halted

ZX Master Mind

Clone of Mastermind

A ZX Spectrum clone of the code-breaking game Mastermind, playable via emulator or loaded onto real hardware.

Platforms:ZX Spectrum

Stars0

Updated2 years ago

LicenseUnknown

Release2024

Genre: Puzzle

Theme: —

Active

Bumpy's Arcade Fantasy (original game, not this project)

Original game image

bumpy-reverse

Clone of Bumpy's Arcade Fantasy

This is a structure-faithful C decompilation of Bumpy's Arcade Fantasy's original DOS engine, requiring the player's own game data.

Platforms:DOS

Stars0

Updated3 months ago

LicenseUnknown

Release2026

Genre: Arcade

Theme: —

Halted

colorful_asteroids

Clone of Asteroids

colorful_asteroids is a browser-based Asteroids clone in vanilla JavaScript, using vector-only rendering on a fixed 1400x800 HTML5 canvas.

Platforms:Web

Stars0

Updated5 years ago

LicenseUnknown

Release2019

Genre: Arcade

Theme: —

Archived

Glitch (original game, not this project)

Original game image

cou_server2

Clone of Glitch

cou_server2 is a server-side component of Children of Ur, built with the Aqueduct Dart framework, with no further detail on its function.

Platforms:None

Stars0

Updated8 years ago

LicenseUnknown

Release2017

Genre: MMORPG

Theme: —

Halted

digger-go

Clone of Digger

digger-go is a Go/GTK3 remaster of Digger, built by compiling the included launcher.go file.

Platforms:Linux

Stars0

Updated5 years ago

LicenseAGPL-3.0

Release2021

Genre: Arcade

Theme: —

Halted

digger-kt

Clone of Digger

digger-kt is a Kotlin/Swing remaster of Digger, built via Gradle into an uber jar.

Platforms:Linux

Stars0

Updated5 years ago

LicenseAGPL-3.0

Release2021

Genre: Arcade

Theme: —

Halted

digger-py

Clone of Digger

A Python and GTK3 remake of the classic game Digger, targeting Linux.

Platforms:Linux

Stars0

Updated5 years ago

LicenseAGPL-3.0

Release2021

Genre: Arcade

Theme: —

Halted

digger-swift

Clone of Digger

A Swift and GTK3 remake of the classic game Digger, targeting Linux.

Platforms:Linux

Stars0

Updated5 years ago

LicenseAGPL-3.0

Release2021

Genre: Arcade

Theme: —

Halted

Diablo (original game, not this project)

Original game image

djavul

Clone of Diablo

djavul is an open-source reference re-implementation of the Diablo 1 engine aiming for pixel-perfect parity, currently marked unplayable.

Platforms:WindowsLinux

Stars0

Updated7 years ago

LicenseUnlicense

Release2019

Genre: RPG

Theme: Horror

Halted

Minesweeper (original game, not this project)

Original game image

dsweep

Clone of Minesweeper

Platforms:Linux

Stars0

Updated7 years ago

LicenseMIT

Release2019

Genre: Puzzle

Theme: —

Halted

Sokoban (original game, not this project)

Original game image

matszpk-sokoban

Clone of Sokoban

A terminal-based Sokoban implementation in Rust with ANSI semigraphic rendering, supporting XSB and XML-based SLC levelset formats.

Platforms:None

Stars0

Updated4 years ago

LicenseLGPL-2.1

Release2022

Genre: Puzzle

Theme: —

Halted

minesweeper-tauri

Clone of Minesweeper

A Windows XP-style Minesweeper built with Tauri, with a leaderboard screen.

Platforms:None

Stars0

Updated3 years ago

LicenseUnknown

Release2022

Genre: Puzzle

Theme: —

Halted

mynes

Clone of Minesweeper

A scrolling-field mine game for Linux, built on its author's own XML-driven game libraries.

Platforms:Linux

Stars0

Updated5 years ago

LicenseUnknown

Release2019

Genre: Puzzle

Theme: —

Archived

Original game image

ncmines

Clone of Minesweeper

An archived terminal-based Minesweeper with Vim-key controls and three difficulty levels.

Platforms:Linux

Stars0

Updated4 years ago

LicenseMIT

Release2020

Genre: Puzzle

Theme: —

Halted

pong_sdl

Clone of Pong

A Pong recreation in SDL and C++ with local multiplayer, rebindable controls, and video/audio settings.

Platforms:Windows

Stars0

Updated3 years ago

LicenseMIT

Release2023

Genre: Arcade

Theme: —

Halted

Original game image

py2048-coolin

Clone of 2048

py2048-coolin is a Python implementation of 2048, installable via pip and playable from the command line.

Platforms:None

Stars0

Updated2 years ago

LicenseGPL-3.0

Release2022

Genre: Puzzle

Theme: —

Halted

Super Methane Brothers (original game, not this project)

Original game image

smb

Clone of Super Methane Brothers

An AmigaOS 4/SDL2 conversion of Super Methane Bros., upscaled to 640x480 with 2-player and joystick support.

Platforms:Amiga

Stars0

Updated7 years ago

LicenseGPL-2.0

Release2017

Genre: Platform

Theme: —

Halted

sopwith_stm3241g_eval

Clone of Sopwith

A port of 1984's DOS game Sopwith to the STM3241G-EVAL embedded board, playable via the board's own joystick and buttons.

Platforms:None

Stars0

Updated6 years ago

LicenseGPL-2.0

Release2020

Genre: Arcade

Theme: World War I

Halted

Original game image

splot

Clone of Ataxx

A primitive, unpolished Windows clone of the arcade game Ataxx, not intended as a finished release.

Platforms:Windows

Stars0

Updated11 years ago

LicenseUnknown

Release2015

Genre: Turn-Based Strategy

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.

43 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.

20 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 III

2001Action

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.

4 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.

5 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.

8 clones to play