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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Shandalar

Clone of Magic: The Gathering

The 1997 Magic: The Gathering video game Shandalar, with community-added cards through 2015.

Platforms:Windows

Stars101

Updated5 years ago

LicenseUnknown

Release2021

Genre: Card Game

Theme: Fantasy

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The Almost of ZZT

Clone of ZZT

A near-complete, authentic snapshot of a real 1991 ZZT development build's Pascal source, not a decompilation, targeting DOS.

Platforms:DOS

Stars101

Updated3 years ago

LicenseMIT

Release2023

Genre: Action

Theme: —

Active

lithtech

Clone of F.E.A.R.

An in-progress cross-platform source port built on the GPL LithTech engine, currently building the engine and No One Lives Forever 2.

Platforms:WindowsLinux

Stars101

Updated2 months ago

LicenseUnknown

Release2017

Genre: FPS

Theme: Horror

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Dreerally

Clone of Death Rally

A reverse-engineered, public-domain reimplementation of the Death Rally engine, still an early-stage project needing original data files.

Platforms:WindowsLinux

Stars100

Updated5 years ago

LicenseUnknown

Release2016

Genre: Racing

Theme: —

Sporadic

JonoF's Shadow Warrior Port (JFSW)

Clone of Shadow Warrior

JFSW is a source port of the original 1997 Shadow Warrior, built on the author's own Build engine port, first released in 2005.

Platforms:WindowsOSX

Stars100

Updated8 months ago

LicenseUnknown

Release2010

Genre: FPS

Theme: —

Sporadic

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Shadow of the Colossus Decompilation Project

Clone of Shadow of the Colossus

A decompilation rebuilding Shadow of the Colossus's Preview Version executable from its original PS2 ISO.

Platforms:PS2

Stars100

Updated6 months ago

LicenseMIT

Release2024

Genre: Action

Theme: Fantasy

Active

Simutrans

Clone of Transport Tycoon

A free, open-source transport simulator inspired by Transport Tycoon, with swappable community graphics packs and online multiplayer.

Platforms:WindowsLinuxOSX

Stars100

Updated16 days ago

LicenseUnknown

Release2022

Genre: Strategy

Theme: Management

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Worms?

Clone of Worms?

The preserved 1983 FORTH source code for Worms? by David S. Maynard, MIT-licensed, for Atari 8-bit and Commodore 64.

Platforms:AtariC64

Stars100

Updated4 years ago

LicenseMIT

Release2021

Genre: Puzzle

Theme: —

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64doom

Clone of Doom

A port of Doom to the Nintendo 64 via the libdragon toolchain, built from id Software's original source release; now marked halted.

Platforms:N64

Stars98

Updated2 years ago

LicenseUnknown

Release2015

Genre: FPS

Theme: Sci-Fi

Active

LibreMines

Clone of Minesweeper

LibreMines is a free, open-source Qt-based Minesweeper clone for Linux, BSD, macOS, and Windows with keyboard and mouse play.

Platforms:WindowsLinuxOSX

Stars98

Updated1 month ago

LicenseGPL-3.0

Release2020

Genre: Puzzle

Theme: —

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Redguard Unity

Clone of The Elder Scrolls Adventures: Redguard

An early-stage Unity port of The Elder Scrolls Adventures: Redguard, aiming for a faithful, performance-improved recreation.

Platforms:None

Stars98

Updated2 months ago

LicenseMIT

Release2022

Genre: Action

Theme: Fantasy

Active

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The Legend of Zelda: Phantom Hourglass

Clone of The Legend of Zelda: Phantom Hourglass

A work-in-progress hand decompilation of Phantom Hourglass targeting the EU and US versions, requiring a legally owned copy to build.

Platforms:DS

Stars98

Updated1 month ago

LicenseCC0-1.0

Release2023

Genre: Action

Theme: —

Sporadic

Sundog: Frozen Legacy

Clone of SunDog: Frozen Legacy

A faithful SDL2/OpenGL ES port of the 1985 Atari ST SunDog: Frozen Legacy, built around a custom p-system interpreter.

Platforms:LinuxOSX

Stars97

Updated10 months ago

LicenseMIT

Release2017

Genre: RPG

Theme: —

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TUSSLE

Clone of Super Smash Bros.

TUSSLE is an open-source Super Smash Bros-inspired platform fighter with moddable, unlimited characters.

Platforms:WindowsLinuxOSX

Stars97

Updated3 years ago

LicenseGPL-3.0

Release2015

Genre: Fighting

Theme: —

Active

Hydra Castle Labyrinth

Clone of Meikyuujou Hydra

This version of Hydra Castle Labyrinth adds SDL support and targets Linux, handheld hardware, and a browser build via Emscripten.

Platforms:WebLinuxAmiga

Stars96

Updated1 month ago

LicenseGPL-2.0

Release2017

Genre: Action

Theme: Fantasy

Active

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Kingdom Hearts De:Compiled

Clone of Kingdom Hearts

An in-progress decompilation of the PS2 Kingdom Hearts, currently supporting the Japanese and Final Mix versions.

Platforms:PS2

Stars96

Updated1 month ago

LicenseUnknown

Release2023

Genre: RPG

Theme: —

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nba-jam

Clone of NBA Jam

The source code of Midway's 1993 arcade basketball game NBA Jam, preserved in the historicalsource repository.

Platforms:Arcade

Stars96

Updated5 years ago

LicenseUnknown

Release2021

Genre: Sports

Theme: —

Archived

Digger

Clone of Boulder Dash

A browser-based HTML5 canvas implementation of Digger, playable directly on the project's GitHub Pages site.

Platforms:Web

Stars95

Updated2 years ago

LicenseUnknown

Release2010

Genre: Arcade

Theme: —

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Metroid for MMC3

Clone of Metroid

A reworked NES Metroid disassembly that uses the MMC3 memory controller, meant as a base for mods.

Platforms:NES

Stars95

Updated2 years ago

LicenseUnknown

Release2014

Genre: Adventure

Theme: —

Archived

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Descent II

Clone of Descent II

Parallax Software's original 1999 Descent II source release, missing third-party code so it won't compile as-is.

Platforms:Windows

Stars94

Updated14 years ago

LicenseUnknown

Release2012

Genre: FPS

Theme: Sci-Fi

Halted

Hopson-Arcade

Clone of Space Invaders

Hopson-Arcade is a C++17/SFML collection of small arcade games, currently holding just its first entry, a Space Invaders clone.

Platforms:WindowsLinux

Stars94

Updated6 years ago

LicenseGPL-3.0

Release2018

Genre: Arcade

Theme: —

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OpenNotrium

Clone of Notrium

An open-source SDL2 port of Ville Mönkkönen's top-down survival game Notrium for Linux, macOS, Windows and FreeBSD.

Platforms:WindowsLinuxOSX

Stars94

Updated4 years ago

LicenseUnknown

Release2014

Genre: Action

Theme: Sci-Fi

Sporadic

Wordel

Clone of Wordle

An Emacs package bringing Wordle-style daily word-guessing gameplay, plus a marathon mode, into your editor.

Platforms:None

Stars94

Updated8 months ago

LicenseAGPL-3.0

Release2022

Genre: Puzzle

Theme: —

Active

Rockbot

Clone of MegaMan

An open-source Mega Man-inspired SDL game engine with a built-in level and content editor.

Platforms:WindowsLinuxAndroid

Stars93

Updated2 months ago

LicenseGPL-2.0

Release2015

Genre: Platform

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