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

OpenWar

Clone of Warcraft: Orcs & Humans

An unfinished Go engine for Warcraft: Orcs & Humans that decodes the original DOS game's resources.

Platforms:LinuxOSX

Stars58

Updated3 years ago

LicenseGPL-3.0

Release2016

Genre: Real-Time Strategy

Theme: Fantasy

Halted

Soldank

Clone of Soldat

A Rust-based open-source clone of the Soldat game engine, aiming for a feature-complete authentic port.

Platforms:None

Stars58

Updated1 year ago

LicenseMIT

Release2021

Genre: Platform

Theme: Modern Military

Sporadic

No preview

psDrugWars

Clone of Drugwars

A PowerShell BBS-door-style console RPG loosely based on the 1984 drug-dealing game Drug Wars.

Platforms:Windows

Stars58

Updated8 months ago

LicenseUnknown

Release2023

Genre: Strategy

Theme: Crime

Halted

rock-raiders-remake

Clone of Lego Rock Raiders

A JavaScript browser remake of the Lego-themed mining game Lego Rock Raiders, still in development.

Platforms:Web

Stars58

Updated7 years ago

LicenseMIT

Release2015

Genre: Real-Time Strategy

Theme: —

Active

No preview

Alien Breed 3D II The Killing Grounds

Clone of Alien Breed 3D II: The Killing Grounds

An actively maintained rebuild of the Alien Breed 3D II: The Killing Grounds engine, compatible with original game data or mods.

Platforms:Amiga

Stars57

Updated14 days ago

LicenseUnknown

Release2022

Genre: FPS

Theme: Horror

Active

Cryogenic

Clone of Dune

A C# reimplementation of Dune's 1992 CD version that replaces original DOS assembly routines using the Spice86 x86 emulator.

Platforms:Windows

Stars57

Updated1 month ago

LicenseApache-2.0

Release2022

Genre: Adventure

Theme: Sci-Fi

Sporadic

Lilium Voyager

Clone of Star Trek: Voyager – Elite Force

An open-source engine reimplementation of Star Trek: Voyager - Elite Force's Holomatch mode, built on the ioquake3-derived ioEF engine.

Platforms:WindowsLinuxOSX

Stars57

Updated4 months ago

LicenseGPL-2.0

Release2017

Genre: FPS

Theme: Sci-Fi

Sporadic

No preview

Taradino

Clone of Rise of the Triad

A source port of Rise of the Triad (1994) for modern Linux, Windows, and macOS, with 64-bit and big-endian support.

Platforms:WindowsLinuxOSX

Stars57

Updated6 months ago

LicenseGPL-2.0

Release2021

Genre: FPS

Theme: —

Active

No preview

The Legend of Zelda: Spirit Tracks

Clone of The Legend of Zelda: Spirit Tracks

A work-in-progress hand decompilation of Spirit Tracks, supporting Japanese, European, and USA ROM releases.

Platforms:DS

Stars57

Updated27 days ago

LicenseCC0-1.0

Release2025

Genre: Action

Theme: —

Halted

No preview

cruisin-usa

Clone of Cruis'n USA

The official source code release of Cruis'n USA for the Nintendo 64, with no further description provided.

Platforms:N64

Stars57

Updated5 years ago

LicenseUnknown

Release2021

Genre: Racing

Theme: —

Halted

No preview

u6-decompiled

Clone of Ultima VI

A reverse-engineered decompilation of the 1990 MS-DOS Ultima VI, rebuilt via disassembly to match the original executable.

Platforms:DOS

Stars57

Updated4 years ago

LicenseUnknown

Release2022

Genre: RPG

Theme: —

Halted

Cattle Bity

Clone of Battle City

A from-scratch TypeScript clone of Battle City, playable in the browser (not mobile), released under the MIT license for learning purposes.

Platforms:Web

Stars56

Updated4 years ago

LicenseUnknown

Release2018

Genre: Arcade

Theme: —

Sporadic

No preview

Nitrosharp

Clone of Chaos;Head

An open-source reimplementation of Nitroplus's N2System visual novel engine, aimed at running Chaos;Head Noah on PC.

Platforms:Windows

Stars56

Updated9 months ago

LicenseMIT

Release2021

Genre: Adventure

Theme: Anime

Halted

No preview

Pararena 2.0

Clone of Pararena

Source code of Pararena, John Calhoun's commercial Macintosh game published by Casady & Greene.

Platforms:Classic Mac OS

Stars56

Updated5 years ago

LicenseMIT

Release2016

Genre: Sports

Theme: Sci-Fi

Halted

Wordlet

Clone of Wordle

Wordlet is a Rust command-line Wordle clone that can be replayed any time, with adjustable difficulty and theme.

Platforms:None

Stars56

Updated4 years ago

LicenseUnknown

Release2022

Genre: Puzzle

Theme: —

Halted

ascii-invaders

Clone of Space Invaders

A text-mode, Curses-based recreation of Space Invaders written in C in 2001, playable on Linux; development has halted.

Platforms:Linux

Stars56

Updated5 years ago

LicenseGPL-2.0

Release2013

Genre: Arcade

Theme: —

Halted

No preview

Amberstar

Clone of Amberstar

Preserves Amberstar's development files, including graphics and GFA Assembler source code, for education and historical research.

Platforms:Atari

Stars55

Updated3 years ago

LicenseUnknown

Release2023

Genre: RPG

Theme: Fantasy

Sporadic

AnodyneSharp

Clone of Anodyne

A fan-made C# rewrite of Anodyne using MonoGame, built from the original's source code, adding UX improvements and 60 FPS OpenGL rendering.

Platforms:WindowsLinuxOSX

Stars55

Updated7 months ago

LicenseUnknown

Release2020

Genre: Action

Theme: Fantasy

Active

Apple Flinger

Clone of Angry Birds

An open-source Android slingshot game on F-Droid, flinging apples to destroy an enemy base across 18 levels, solo or two-player.

Platforms:Android

Stars55

Updated26 days ago

Licensegpl-3.0

Release2017

Genre: Puzzle

Theme: —

Active

BOOM: Remake

Clone of BOOM

A faithful remake of BOOM, maintained as the active 'boom' branch of the Lifish project, built with SFML for Windows, Linux, and macOS.

Platforms:WindowsLinuxOSX

Stars55

Updated20 days ago

LicenseUnknown

Release2015

Genre: Arcade

Theme: —

Halted

No preview

Digimon World Project Ark

Clone of Digimon World

A fan project recreating the original Digimon World as closely as possible, with more playable Digimon partners; currently unplayable.

Platforms:None

Stars55

Updated11 years ago

LicenseUnknown

Release2014

Genre: RPG

Theme: —

Halted

No preview

Manic Miner 2021

Clone of Manic Miner

An improved BBC Micro build of Manic Miner, disassembled and optimized to match the original ZX Spectrum version more closely.

Platforms:BBC Micro

Stars55

Updated2 years ago

LicenseUnknown

Release2021

Genre: Platform

Theme: Fantasy

Active

REminiscence / REinforced

Clone of Flashback

REinforced is an enhanced fork of the Flashback engine re-implementation REminiscence, adding Russian-language support.

Platforms:None

Stars55

Updated2 months ago

LicenseGPL-3.0

Release2020

Genre: Adventure

Theme: —

Halted

Siege of Avalon : Open Source

Clone of Siege of Avalon

An in-progress C#/MonoGame port of Siege of Avalon's original Delphi codebase, aiming for wider platform support.

Platforms:None

Stars55

Updated5 years ago

LicenseUnknown

Release2011

Genre: Action

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