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

DopeWars for Palm OS

Clone of Drugwars

An archival copy of Matt Lee's original DopeWars source code for Palm OS mobile devices.

Platforms:Mobile

Stars8

Updated6 years ago

LicenseUnknown

Release2020

Genre: Strategy

Theme: Crime

Halted

FreeCNC

Clone of Command & Conquer

FreeCNC is a GPLv2 engine reimplementation of Command & Conquer: Tiberian Dawn, requiring the original game's data files.

Platforms:WindowsLinux

Stars8

Updated12 years ago

LicenseUnknown

Release2014

Genre: Real-Time Strategy

Theme: Modern Military

Archived

HTML5-Space-Invaders

Clone of Space Invaders

A browser-based HTML5 Space Invaders implementation supporting one or two players in turn-based play.

Platforms:Web

Stars8

Updated8 years ago

LicenseMIT

Release2017

Genre: Arcade

Theme: —

Halted

No preview

Hero Quest

Clone of HeroQuest

An unreleased NES port of HeroQuest, preserved as source code via RomHacking.net's archive; completeness is unconfirmed.

Platforms:NES

Stars8

Updated8 years ago

LicenseUnknown

Release2018

Genre: RPG

Theme: —

Halted

Marblez

Clone of Toobz

A Unity WebGL recreation of the Amiga game Toobz, released as a browser game on Kongregate.

Platforms:Web

Stars8

Updated9 years ago

LicenseMIT

Release2017

Genre: Puzzle

Theme: —

Halted

Ostrich Riders

Clone of Joust

A free Joust clone for up to three players, with combos, a random map generator and custom mod support.

Platforms:Linux

Stars8

Updated7 years ago

LicenseGPL-3.0

Release2016

Genre: Arcade

Theme: —

Archived

No preview

Prehistorik_js

Clone of Prehistorik

A JavaScript rewrite of the playable first-level demo from Titus Interactive's 1991 platformer Prehistorik.

Platforms:Web

Stars8

Updated4 years ago

LicenseUnknown

Release2022

Genre: Action

Theme: Prehistoric

Halted

RoadBlasters STE

Clone of RoadBlasters

Early-stage binary patches adding Atari STE hardware support to RoadBlasters, applied manually via an emulator debugger.

Platforms:None

Stars8

Updated5 years ago

LicenseUnknown

Release2021

Genre: Racing

Theme: —

Halted

No preview

SLF_AIR_SOURCE

Clone of Super Lemonade Factory

Official open-source release of the code for Super Lemonade Factory, a puzzle-platformer built with the Flixel engine.

Platforms:None

Stars8

Updated14 years ago

LicenseUnknown

Release2012

Genre: Puzzle

Theme: —

Halted

Shadow Warrior for Linux

Clone of Shadow Warrior

icculus.org's Linux port of 3D Realms' 2005 GPL source release of Shadow Warrior.

Platforms:Linux

Stars8

Updated5 years ago

LicenseGPL-2.0

Release2021

Genre: FPS

Theme: —

Halted

Shining Soul Remake

Clone of Shining Soul

A Python/pygame remake of Sega's GBA action RPG Shining Soul, made as the author's first programming project.

Platforms:None

Stars8

Updated3 years ago

LicenseUnknown

Release2016

Genre: Action

Theme: —

Halted

Snake-in-LabVIEW

Clone of Snake

A Snake game built entirely in LabVIEW, where hitting the map edge wraps you to the other side.

Platforms:Windows

Stars8

Updated11 years ago

LicenseUnknown

Release2014

Genre: Arcade

Theme: —

Halted

Starlane Empire

Clone of Ascendancy

A Linux engine that emulates and aims to extend the 1995 DOS strategy game Ascendancy, still needing the original CD.

Platforms:Linux

Stars8

Updated9 years ago

LicenseGPL-2.0

Release2017

Genre: Turn-Based Strategy

Theme: —

Halted

Super Transball 2

Clone of Zarathrusta

The third Transball game, a Thrust-style, gravity-based game where you fly a ship to retrieve a sphere across 15 levels.

Platforms:WindowsLinuxOSX

Stars8

Updated6 years ago

LicenseGPL-2.0

Release2020

Genre: Action

Theme: Sci-Fi

Halted

No preview

Tetris-CSharp

Clone of Tetris

A quickly-built WinForms Tetris clone in C# that supports custom blocksets defining new piece shapes.

Platforms:Windows

Stars8

Updated10 years ago

LicenseUnknown

Release2011

Genre: Puzzle

Theme: Abstract

Halted

Tornado

Clone of Weather War

A terminal-based weather-combat game for Linux with single-player, multiplayer, and network play.

Platforms:Linux

Stars8

Updated8 years ago

LicenseGPL-2.0

Release2017

Genre: Turn-Based Tactics

Theme: —

Halted

No preview

UEFAStriker96

Clone of Striker '96

Platforms:Dreamcast

Stars8

Updated3 years ago

LicenseUnknown

Release2022

Genre: Sports

Theme: —

Halted

Vib-Ribbon Minus

Clone of Vib-Ribbon

A 2D Python remake of the PS1 rhythm game Vib-Ribbon, with custom-level support and its own soundtrack.

Platforms:WindowsOSX

Stars8

Updated3 years ago

LicenseGPL-3.0

Release2022

Genre: Rhythm

Theme: —

Halted

WAGE

Clone of World Builder

An engine that lets classic Macintosh text-adventure games made with Bill Appleton's World Builder run again.

Platforms:None

Stars8

Updated4 years ago

LicenseUnknown

Release2015

Genre: —

Theme: —

Sporadic

XInvaders 3D

Clone of Space Invaders

A 3D vector-graphics Space Invaders clone for X11, with an added two-player duel mode.

Platforms:Linux

Stars8

Updated4 months ago

LicenseGPL-2.0

Release2022

Genre: Arcade

Theme: —

Halted

Xgalaga SDL

Clone of Galaga

An SDL port of Joe Rumsey's X11 Galaga clone, originally released as shareware before going GPL.

Platforms:Amiga

Stars8

Updated4 years ago

LicenseGPL-2.0

Release2015

Genre: Action

Theme: Sci-Fi

Halted

No preview

asdf

Clone of Simon

A keyboard-only, browser-based remake of Simon, built in JavaScript under 13KB for the js13kGames 2012 competition.

Platforms:Web

Stars8

Updated14 years ago

LicenseMIT

Release2012

Genre: Arcade

Theme: —

Halted

No preview

chuckie

Clone of Chuckie Egg

A disassembly of the original 1983 ZX Spectrum game Chuckie Egg, targeting the ZX Spectrum platform.

Platforms:ZX Spectrum

Stars8

Updated2 years ago

LicenseUnknown

Release2019

Genre: Platform

Theme: —

Halted

No preview

dksnes

Clone of Donkey Kong

Platforms:SNES

Stars8

Updated10 years ago

LicenseUnknown

Release2016

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