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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System Shock

Clone of System Shock

Night Dive Studios' GPL-licensed release of System Shock's 1994 classic Mac OS source code, without game data.

Platforms:Classic Mac OS

Stars1,465

Updated8 years ago

LicenseGPL-3.0

Release2018

Genre: RPG

Theme: —

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Amnesia: A Machine for Pigs

Clone of Amnesia: A Machine for Pigs

The official GPLv3-licensed engine source for Amnesia: A Machine for Pigs, needing the no-longer-available 2012 FBX SDK to build.

Platforms:WindowsLinuxOSX

Stars1,459

Updated3 years ago

LicenseGPL-3.0

Release2020

Genre: Adventure

Theme: Horror

Active

Tabletop Club

Clone of Tabletop Simulator

An open-source, physics-driven 3D tabletop sandbox built with Godot, with free online multiplayer and no sign-up.

Platforms:WindowsLinuxOSX

Stars1,456

Updated27 days ago

LicenseMIT

Release2020

Genre: simulation video game

Theme: —

Archived

OpenTomb

Clone of Tomb Raider

An inactive from-scratch Tomb Raider 1–5 engine remake with Lua scripting and support for custom TRLE levels.

Platforms:Windows

Stars1,445

Updated1 year ago

LicenseLGPL-3.0

Release2015

Genre: Platform

Theme: —

Active

OpenTESArena

Clone of The Elder Scrolls: Arena

A clean-room open-source engine for The Elder Scrolls: Arena, still missing quests, spells and saves.

Platforms:WindowsLinuxOSX

Stars1,414

Updated1 month ago

LicenseMIT

Release2016

Genre: RPG

Theme: —

Sporadic

URL Snake

Clone of Snake

A joke Snake clone that renders the entire game inside the browser's URL bar using Braille characters.

Platforms:Web

Stars1,395

Updated1 year ago

LicenseUnlicense

Release2016

Genre: Arcade

Theme: —

Active

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Animal Crossing

Clone of Animal Crossing

A decompilation of the USA revision of Animal Crossing for GameCube, still in development and requiring your own disc image.

Platforms:GameCube

Stars1,367

Updated2 months ago

LicenseCC0-1.0

Release2022

Genre: Simulation

Theme: —

Active

proxx

Clone of Minesweeper

A Minesweeper-style web game from Google Chrome Labs built to run on any browser, even feature phones.

Platforms:Web

Stars1,359

Updated3 months ago

LicenseApache-2.0

Release2019

Genre: Puzzle

Theme: —

Active

REDRIVER2

Clone of Driver 2

A from-scratch reimplementation of Driver 2, decompiled from the original PS1 binary without emulation, with bugs fixed.

Platforms:WebWindowsPS

Stars1,355

Updated2 months ago

LicenseMIT

Release2020

Genre: Racing

Theme: —

Active

Freedoom

Clone of Doom

A free replacement for Doom's levels, art, sounds, and music, requiring a separate Doom source port to actually run it.

Platforms:None

Stars1,343

Updated3 months ago

LicenseUnknown

Release2012

Genre: FPS

Theme: Sci-Fi

Active

Flare

Clone of Diablo

Flare is a single-player 2D dark-fantasy action RPG built on the open-source FLARE engine, with moddable INI and Tiled-based content.

Platforms:WindowsLinuxOSX

Stars1,314

Updated1 month ago

LicenseUnknown

Release2012

Genre: RPG

Theme: Horror

Active

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Mario Kart 64

Clone of Mario Kart 64

An ongoing decompilation of Mario Kart 64, verified against USA and European ROM revisions, requiring assets from the original game.

Platforms:N64

Stars1,297

Updated1 month ago

LicenseUnknown

Release2020

Genre: Racing

Theme: —

Active

doukutsu-rs

Clone of Cave Story

A from-scratch reimplementation of the Cave Story engine with quality-of-life improvements, requiring the original game's data files.

Platforms:WindowsLinuxOSX

Stars1,289

Updated22 days ago

LicenseMIT

Release2020

Genre: Adventure

Theme: Sci-Fi

Sporadic

SDLPoP

Clone of Prince of Persia

An open-source, feature-expanded port of DOS Prince of Persia, built from a full disassembly of the original executable.

Platforms:WindowsLinuxOSX

Stars1,283

Updated9 months ago

LicenseGPL-3.0

Release2015

Genre: Platform

Theme: —

Active

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UltraStar Deluxe

Clone of SingStar

A free, open-source karaoke game for up to six players that forks UltraStar with added party mode and Linux/macOS support.

Platforms:WindowsLinuxOSX

Stars1,267

Updated13 days ago

LicenseGPL-2.0

Release2015

Genre: Rhythm

Theme: —

Active

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OpenBOR

Clone of Double Dragon

A royalty-free sprite engine for side-scrolling beat 'em ups, descended from Senile Team's Beats of Rage.

Platforms:WindowsLinuxAndroid

Stars1,251

Updated18 days ago

LicenseBSD-3-Clause

Release2017

Genre: Action

Theme: —

Active

GemRB

Clone of Baldur's Gate

GemRB is a portable, open-source reimplementation of the Infinity Engine, requiring the player's own copy of the original game data.

Platforms:WindowsLinuxOSX

Stars1,249

Updated14 days ago

LicenseGPL-2.0

Release2012

Genre: RPG

Theme: Fantasy

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DOOM-FX

Clone of Doom

Platforms:SNES

Stars1,248

Updated4 years ago

LicenseGPL-3.0

Release2020

Genre: FPS

Theme: Sci-Fi

Active

Bemuse

Clone of Beatmania IIDX

Bemuse is an open-source, browser-based rhythm game inspired by Beatmania IIDX, played via a 7-key keyboard or BMS mode.

Platforms:Web

Stars1,247

Updated29 days ago

LicenseAGPL-3.0

Release2014

Genre: Rhythm

Theme: —

Active

Colobot: Gold Edition

Clone of Colobot

Colobot: Gold Edition is an open-source continuation of Colobot for Windows, Linux, and macOS, built by TerranovaTeam and contributors.

Platforms:WindowsLinuxOSX

Stars1,245

Updated1 month ago

LicenseGPL-3.0

Release2012

Genre: Educational

Theme: Sci-Fi

Halted

OpenSpades

Clone of Ace of Spades

An open-source, cross-platform client for Ace of Spades 0.75 that connects to vanilla, pyspades and pysnip servers.

Platforms:WindowsOSX

Stars1,245

Updated2 years ago

LicenseGPL-3.0

Release2013

Genre: FPS

Theme: World War II

Active

Rigs of Rods

Clone of BeamNG.drive

An open-source soft-body vehicle physics sandbox with online multiplayer, simulating cars, trucks, boats, and aircraft.

Platforms:WindowsLinux

Stars1,245

Updated29 days ago

LicenseGPL-3.0

Release2014

Genre: Simulation

Theme: —

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Diablerie

Clone of Diablo II

Diablerie is an early-stage, work-in-progress Diablo II recreation in Unity, requiring the player's own copy of the original game data.

Platforms:WindowsLinux

Stars1,235

Updated3 years ago

LicenseMIT

Release2017

Genre: RPG

Theme: Fantasy

Active

EasyRPG Player

Clone of RPG Maker

EasyRPG Player is an open-source interpreter that plays RPG Maker 2000/2003 games, running on Windows, macOS, Linux, and Android.

Platforms:WindowsLinuxOSX

Stars1,221

Updated16 days ago

LicenseGPL-3.0

Release2012

Genre: RPG

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