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

Bugdom 2

Clone of Bugdom 2

A modern source port of Bugdom 2 for Windows, macOS, and Linux, made with permission from original developer Pangea Software.

Platforms:WindowsLinuxOSX

Stars70

Updated1 year ago

LicenseUnknown

Release2023

Genre: Platform

Theme: —

Sporadic

No preview

LTJS

Clone of No One Lives Forever 2

LTJS is a work-in-progress source port of the LithTech Jupiter engine, currently supporting No One Lives Forever 2 (version 1.3).

Platforms:Windows

Stars70

Updated5 months ago

LicenseUnknown

Release2014

Genre: FPS

Theme: Espionage

Halted

No preview

Signus: The Artefact Wars

Clone of Signus: The Artefact Wars

The original developers' 2002 open-source release of their 1998 turn-based strategy war game, Signus: The Artefact Wars.

Platforms:WindowsLinux

Stars70

Updated2 years ago

LicenseGPL-2.0

Release2015

Genre: Turn-Based Strategy

Theme: Sci-Fi

Sporadic

No preview

Zeta

Clone of Super ZZT

A lightweight emulator that runs ZZT and Super ZZT accurately in modern environments, including in a web browser.

Platforms:WebWindowsLinux

Stars70

Updated4 months ago

LicenseMIT

Release2020

Genre: Action

Theme: —

Sporadic

achtungkurve.com

Clone of Achtung, die Kurve!

achtungkurve.com is an open-source HTML5 implementation of Achtung, die Kurve!, playable offline or built with Node.js and Gulp.

Platforms:Web

Stars70

Updated6 months ago

LicenseGPL-3.0

Release2014

Genre: Arcade

Theme: —

Halted

No preview

coab

Clone of Curse of the Azure Bonds

coab is a reprogramming of the DOS game Curse of the Azure Bonds for modern Windows, written in C# (.NET).

Platforms:Windows

Stars70

Updated2 years ago

LicenseUnknown

Release2015

Genre: RPG

Theme: —

Archived

Another World JS

Clone of Another World

An archived JavaScript/HTML5 reimplementation of Another World that interprets the original game's own bytecode, with a rewind feature.

Platforms:Web

Stars69

Updated4 years ago

LicenseUnknown

Release2020

Genre: Adventure

Theme: Sci-Fi

Halted

Celeste Classic 2 GBA port

Clone of Celeste Classic

A Game Boy Advance port of Celeste Classic 2 aiming for gameplay identical to the original, with only minor graphical changes.

Platforms:GBA

Stars69

Updated1 year ago

LicenseUnknown

Release2023

Genre: Platform

Theme: —

Halted

No preview

Zatacka X

Clone of Achtung, die Kurve!

A modern, free remake of Achtung, die Kurve! adding weapons, updated graphics, and AI opponents.

Platforms:LinuxSwitch

Stars69

Updated1 year ago

LicenseGPL-3.0

Release2013

Genre: Arcade

Theme: —

Halted

Freekick 3

Clone of Sensible World of Soccer

Freekick 3 is an open-source Linux soccer game built with SDL and OpenGL, licensed under GPLv3+ with CC BY-SA artwork.

Platforms:Linux

Stars68

Updated6 years ago

LicenseGPL-3.0

Release2012

Genre: Sports

Theme: —

Halted

Machines: Wired For War

Clone of Machines: Wired for War

Official GL-ported source code release of Machines: Wired For War, a 3D RTS, published with permission from Night Dive Studios.

Platforms:WindowsLinux

Stars68

Updated4 years ago

LicenseGPL-3.0

Release2020

Genre: Real-Time Strategy

Theme: Sci-Fi

Halted

Skifree Decompilation Project

Clone of SkiFree

A from-original-EXE source reconstruction of 32-bit SkiFree, aiming for byte-identical rebuilding via Visual Studio 6.

Platforms:Windows

Stars68

Updated3 years ago

LicenseUnknown

Release2022

Genre: Arcade

Theme: —

Active

No preview

marioparty3

Clone of Mario Party 3

marioparty3 is a decompilation project aiming for a byte-matching rebuild of the Nintendo 64 original, requiring a US ROM to build.

Platforms:N64

Stars68

Updated15 days ago

LicenseUnknown

Release2022

Genre: Party

Theme: —

Halted

No preview

Angolmois

Clone of BM98

Angolmois is a cross-platform BMS-format rhythm-game player written in C99 and SDL2, open source under GPLv2+.

Platforms:WindowsLinuxOSX

Stars67

Updated13 years ago

LicenseUnknown

Release2013

Genre: Rhythm

Theme: —

Halted

FreeRails

Clone of Railroad Tycoon

FreeRails is a real-time, multiplayer railway strategy game based on Railroad Tycoon, written in Java, still unfinished.

Platforms:None

Stars67

Updated1 year ago

LicenseGPL-3.0

Release2017

Genre: Simulation

Theme: Management

Archived

No preview

LBA1 Classic (Community)

Clone of Little Big Adventure

A community-driven preservation release of the Little Big Adventure engine source code, engine-only under GPL — no game assets included.

Platforms:WindowsDOS

Stars67

Updated10 months ago

LicenseGPL-2.0

Release2021

Genre: Action

Theme: Fantasy

Halted

No preview

Loderunner

Clone of Lode Runner

This project is a commented disassembly of the Commodore 64 version of Lode Runner, including its copy-protection routines.

Platforms:C64

Stars67

Updated2 years ago

LicenseUnknown

Release2024

Genre: Arcade

Theme: —

Active

Mario Kart 64 for Dreamcast

Clone of Mario Kart 64

Mario Kart 64 for Dreamcast is a homebrew port of the Mario Kart 64 decompilation to Sega Dreamcast at 30fps.

Platforms:Dreamcast

Stars67

Updated1 month ago

LicenseUnknown

Release2025

Genre: Racing

Theme: —

Halted

Paper Isaac

Clone of The Binding of Isaac

A fan-made Binding of Isaac clone built for #1GAM's roguelike month, with new art and cover music.

Platforms:WindowsLinuxOSX

Stars67

Updated11 years ago

LicenseMIT

Release2013

Genre: Action

Theme: —

Active

SuperTux Classic

Clone of SuperTux

A from-scratch Godot remaster of SuperTux's Milestone 1 release, with upgraded graphics, sound, and gameplay.

Platforms:WebWindowsLinux

Stars67

Updated2 months ago

LicenseGPL-3.0

Release2022

Genre: platformer

Theme: —

Sporadic

Cosmo-Engine

Clone of Cosmo's Cosmic Adventure

Cosmo-Engine is a new game engine built with CMake and SDL2/SDL_mixer for playing Cosmo's Cosmic Adventure.

Platforms:WindowsLinux

Stars66

Updated6 months ago

LicenseGPL-2.0

Release2017

Genre: Platform

Theme: —

Halted

Dijeweled Remastered

Clone of Bejeweled

Dijeweled Remastered is a fan-made GameMaker Studio recreation of Bejeweled, adding multiplayer and new gems/modes.

Platforms:WindowsAndroid

Stars66

Updated1 year ago

LicenseAGPL-3.0

Release2020

Genre: Puzzle

Theme: —

Halted

Good Robot

Clone of Good Robot

This is the official source code for Good Robot, a procedurally generated shoot-'em-up with light RPG elements by Pyrodactyl Games.

Platforms:WindowsLinuxOSX

Stars66

Updated6 years ago

LicenseMIT

Release2020

Genre: Shooter

Theme: Post-Apocalyptic

Archived

No preview

Homeworld

Clone of Homeworld

Platforms:Windows

Stars66

Updated11 years ago

LicenseUnknown

Release2015

Genre: Real-Time Strategy

Theme: Sci-Fi

People are curious about clones of...

Games you know, and the open-source projects that recreate them.

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Minecraft

2009Action

The block-building sandbox that reshaped an entire genre — open-source clones range from full Java reimplementations to engines built from scratch.

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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