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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RacerJS

Clone of Lotus Esprit Turbo Challenge

RacerJS is a browser-based, CSS-rendered tribute to the classic Lotus Esprit racing series with randomly generated tracks.

Platforms:Web

Stars124

Updated4 years ago

LicenseUnknown

Release2010

Genre: Racing

Theme: —

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memory of alessa

Clone of Silent Hill 2

An early-stage byte-matching decompilation of Silent Hill 3 for the PS2, including the Silent Hill 2 engine it builds on.

Platforms:PS2

Stars124

Updated12 days ago

LicenseMIT

Release2026

Genre: TPS

Theme: Horror

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Jurassic Park: Trespasser

Clone of Trespasser

A git-based fork of Trespasser's original source code, preserving its original Visual Studio project structure largely as shipped.

Platforms:Windows

Stars123

Updated5 years ago

LicenseUnknown

Release2018

Genre: FPS

Theme: —

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OpenSA

Clone of Swarm Assault

A near-complete Swarm Assault remake on the OpenRA engine, with all 100 missions, extra levels, multiplayer and a map editor.

Platforms:WindowsLinuxOSX

Stars123

Updated3 years ago

LicenseGPL-3.0

Release2019

Genre: Real-Time Strategy

Theme: —

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Pacmacs

Clone of Pac-Man

A Pac-Man game that runs inside Emacs, installable from MELPA, with its own CC-BY sprites.

Platforms:None

Stars123

Updated4 years ago

LicenseUnknown

Release2015

Genre: Arcade

Theme: —

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Project Dollhouse

Clone of The Sims Online

A from-scratch C# reconstruction of The Sims Online, run via a self-hosted Docker server on port 3077.

Platforms:Windows

Stars123

Updated1 year ago

LicenseUnknown

Release2012

Genre: Simulation

Theme: Management

Sporadic

Robot War Engine

Clone of Total Annihilation

An open-source RTS engine highly compatible with Total Annihilation's original data files.

Platforms:Windows

Stars123

Updated6 months ago

LicenseGPL-3.0

Release2017

Genre: Real-Time Strategy

Theme: Sci-Fi

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Umineko Project

Clone of Umineko: When They Cry Saku

ONScripter-RU is the visual novel engine behind the Umineko Project's port of Umineko no Naku Koro ni from PlayStation 3.

Platforms:WindowsLinuxOSX

Stars123

Updated3 years ago

LicenseUnknown

Release2019

Genre: Adventure

Theme: Anime

Sporadic

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RPG-Maker-MacOS-Launcher

Clone of RPG Maker

A macOS launcher that auto-detects and runs RPG Maker MV, MZ, XP, VX, VX Ace, 2000, and 2003 games.

Platforms:OSX

Stars122

Updated3 months ago

LicenseGPL-3.0

Release2024

Genre: RPG

Theme: —

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Ultima IV Remastered

Clone of Ultima IV

A remastered C64 port of Ultima IV, built from the player's own original game disk images under Apache 2.0.

Platforms:C64

Stars122

Updated5 years ago

LicenseUnknown

Release2015

Genre: RPG

Theme: —

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Duck Marines

Clone of ChuChu Rocket!

Duck Marines is a cross-platform, free-software remake of ChuChu Rocket! for Linux, Windows, and OS X, recreating its PC multiplayer.

Platforms:WindowsLinuxOSX

Stars121

Updated7 years ago

LicenseUnknown

Release2013

Genre: Puzzle

Theme: —

Sporadic

Frozen Bubble for Android

Clone of Puzzle Bobble

The Android port of Frozen Bubble, based on Glenn Sanson's Java version, distributed via F-Droid, Google Play, and the Amazon Appstore.

Platforms:Android

Stars121

Updated10 months ago

LicenseGPL-2.0

Release2016

Genre: Puzzle

Theme: —

Sporadic

OpenBlok

Clone of Tetris

A customizable open-source falling-block game with modern rotation systems, T-spins and Battle, Sprint and Ultra modes.

Platforms:WindowsLinux

Stars121

Updated1 year ago

LicenseGPL-3.0

Release2016

Genre: Puzzle

Theme: Abstract

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Banjo-Kazooie

Clone of Banjo-Kazooie

A complete (100%) decompilation of Banjo-Kazooie for Nintendo 64, able to rebuild the US, Japanese, and PAL ROMs from source.

Platforms:N64

Stars120

Updated21 days ago

Licensecc0-1.0

Release2021

Genre: Adventure

Theme: —

Active

Gang Garrison 2

Clone of Team Fortress 2

Gang Garrison 2 is an open-source 2D, 8-bit side-scrolling demake of Team Fortress 2, with ten classes, six modes, and 20 official maps.

Platforms:Windows

Stars120

Updated2 months ago

LicenseUnknown

Release2014

Genre: FPS

Theme: —

Active

Open Test Drive Unlimited

Clone of Test Drive Unlimited

A work-in-progress cross-platform source port of Test Drive Unlimited for PC; it needs the original game's files.

Platforms:WindowsLinuxOSX

Stars120

Updated17 days ago

LicenseUnknown

Release2025

Genre: Racing

Theme: —

Active

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Himuro

Clone of Fatal Frame

Himuro is a decompilation project targeting Fatal Frame's US, EU, and JP PS2 releases, aiming for a modern port.

Platforms:LinuxPS2

Stars119

Updated20 days ago

LicenseMIT

Release2024

Genre: Action

Theme: Horror

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Iceball

Clone of Ace of Spades

Iceball is an open-source, extensible engine and game built on the classic Ace of Spades experience, for Windows, Linux, and macOS.

Platforms:WindowsLinuxOSX

Stars118

Updated5 years ago

LicenseGPL-3.0

Release2012

Genre: FPS

Theme: World War II

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Paper Mario DX

Clone of Paper Mario

A fork of the Paper Mario decompilation designed as a base for creating romhacks.

Platforms:N64

Stars118

Updated14 days ago

LicenseUnknown

Release2023

Genre: RPG

Theme: —

Halted

Even the Ocean

Clone of Even the Ocean

Even the Ocean is Analgesic Productions' open-source narrative platformer about balancing Light and Dark energy to save Whiteforge City.

Platforms:WindowsOSX

Stars117

Updated2 years ago

LicenseUnknown

Release2023

Genre: Action

Theme: Fantasy

Sporadic

Dope Wars

Clone of Drugwars

dopewars is a client-server simulation of a drug dealer's life in New York, with multiplayer support on Linux, Windows, and macOS.

Platforms:WindowsLinuxOSX

Stars116

Updated8 months ago

LicenseGPL-2.0

Release2015

Genre: Strategy

Theme: Crime

Active

Prey 2006: A Talon Brave Game

Clone of Doom 3

A community source-port integration of Prey (2006)'s SDK with the open-source Doom 3 GPL engine; still visually unfinished.

Platforms:WindowsLinux

Stars116

Updated24 days ago

LicenseUnknown

Release2024

Genre: FPS

Theme: Sci-Fi

Active

SDL Sopwith

Clone of Sopwith

An SDL-based port of the 1984 biplane shoot-'em-up Sopwith, built from its GPL-released source code.

Platforms:WebWindows

Stars116

Updated1 month ago

LicenseGPL-2.0

Release2020

Genre: Arcade

Theme: World War I

Active

Thirty Flights of Loving

Clone of Thirty Flights of Loving

The official GPL-licensed source code for Brendon Chung's 2012 adventure game Thirty Flights of Loving, minus its game assets.

Platforms:WindowsLinuxOSX

Stars116

Updated3 months ago

LicenseUnknown

Release2020

Genre: Adventure

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