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

Javascript Delta

Clone of Delta

A self-described 'weekend homage' to the C64 shoot-em-up Delta, built in JavaScript and CSS, deliberately left unfinished.

Platforms:Web

Stars51

Updated1 year ago

LicenseMIT

Release2014

Genre: Shmup

Theme: Sci-Fi

Halted

No preview

Mega Man 3 (NES) Disassembly

Clone of Mega Man 3

A complete disassembly of the NTSC-U Mega Man 3 NES ROM, covering all code and data, reassembling byte-for-byte via the xkas-plus build.

Platforms:NES

Stars51

Updated5 years ago

LicenseUnknown

Release2017

Genre: Platform

Theme: Sci-Fi

Halted

No preview

OpenNitemare3D

Clone of Nitemare 3D

A partial C# reimplementation of the 1994 FPS Nitemare 3D that loads the original maps, images and music.

Platforms:Windows

Stars51

Updated4 years ago

LicenseGPL-3.0

Release2019

Genre: FPS

Theme: Horror

Active

No preview

SF2DISASM

Clone of Shining Force II

A documented Shining Force II disassembly that rebuilds into the original ROM, with Java editor tools and patch branches.

Platforms:Genesis

Stars51

Updated13 days ago

LicenseUnknown

Release2014

Genre: RPG

Theme: —

Halted

Wario-Land-3

Clone of Wario Land 3

A Python/Pygame remake of the Game Boy Color platformer Wario Land 3, currently covering only its first level.

Platforms:Linux

Stars51

Updated8 years ago

LicenseMIT

Release2015

Genre: Platform

Theme: —

Sporadic

No preview

marioparty2

Clone of Mario Party 2

Platforms:N64

Stars51

Updated5 months ago

LicenseUnknown

Release2022

Genre: Party

Theme: —

Halted

No preview

Ball And Wall

Clone of Arkanoid

An Arkanoid-style web game split into two episodes, 'space' and 'pegasus', playable via a hosted browser demo.

Platforms:Web

Stars50

Updated11 years ago

LicenseMIT

Release2015

Genre: Arcade

Theme: —

Archived

CaveCube

Clone of Minecraft

An in-development, from-scratch clone of Minecraft and Infiniminer written in C, now archived with development stopped.

Platforms:WindowsLinux

Stars50

Updated3 years ago

LicenseBSL-1.0

Release2022

Genre: Action

Theme: Fantasy

Sporadic

Google Pacman

Clone of Pac-Man

A recreation of Google's 2010 Pac-Man 30th-anniversary homepage doodle, a framework-free browser game with synthesized Web Audio API sound.

Platforms:Web

Stars50

Updated7 months ago

LicenseUnknown

Release2010

Genre: Arcade

Theme: —

Sporadic

Head over Heels

Clone of Head over Heels

A free, open-source isometric remake of Head over Heels built on the Isomot engine, still described as 'raw' by its maintainer.

Platforms:Linux

Stars50

Updated5 months ago

LicenseGPL-3.0

Release2016

Genre: Platform

Theme: —

Active

No preview

Pokemon Stadium 2 (US)

Clone of Pokémon Stadium 2

A work-in-progress decompilation rebuilding Pokémon Stadium 2's Nintendo 64 ROM from source.

Platforms:N64

Stars50

Updated2 months ago

LicenseUnknown

Release2024

Genre: Turn-Based Strategy

Theme: —

Halted

RuZZT

Clone of ZZT

A faithful Rust reimplementation of the ZZT engine, verified against the original game using a disassembler.

Platforms:None

Stars50

Updated7 years ago

LicenseMIT

Release2019

Genre: Action

Theme: —

Halted

No preview

Speed Haste Game Source Code

Clone of Speed Haste

The original 1995-2000 DOS source code for the racing game Speed Haste, released as-is by its author.

Platforms:DOS

Stars50

Updated14 years ago

LicenseUnknown

Release2012

Genre: Racing

Theme: —

Sporadic

No preview

Bt Builder

Clone of The Bard's Tale Construction Set

An open-source, in-progress reimplementation of the Bard's Tale Construction Set, with a nearly complete engine and a built-in editor.

Platforms:WindowsLinux

Stars49

Updated3 months ago

LicenseGPL-3.0

Release2012

Genre: RPG

Theme: —

Halted

No preview

Chameleon Twist: Recompiled

Clone of Chameleon Twist

A native port of Chameleon Twist for N64 via static recompilation, rendered through RT64 with widescreen and Linux/Steam Deck support.

Platforms:WindowsLinux

Stars49

Updated1 year ago

LicenseGPL-3.0

Release2024

Genre: Platform

Theme: Fantasy

Halted

No preview

DesktopAdventures

Clone of Indiana Jones and his Desktop Adventures

An open-source recreation of the Desktop Adventures engine, aiming to preserve these games on modern platforms like Linux, 3DS, and Wii U.

Platforms:Linux3DS

Stars49

Updated8 years ago

LicenseLGPL-2.1

Release2015

Genre: RPG

Theme: —

Halted

Lizard

Clone of Lizard

Brad Smith's released source code and editing tools for his 2018 homebrew NES puzzle-platformer Lizard, licensed under CC BY 4.0.

Platforms:NES

Stars49

Updated6 years ago

LicenseUnknown

Release2018

Genre: Platform

Theme: Fantasy

Sporadic

No One Lives Forever 2 Modernizer

Clone of No One Lives Forever 2

A Windows mod for No One Lives Forever 2 adding widescreen, anti-aliasing, a rewritten input system and crash fixes.

Platforms:Windows

Stars49

Updated7 months ago

LicenseUnknown

Release2019

Genre: FPS

Theme: Espionage

Halted

No preview

Sonic Adventure DX

Clone of Sonic Adventure

A work-in-progress decompilation of the GameCube version of Sonic Adventure, covering multiple regions.

Platforms:GameCube

Stars49

Updated2 years ago

LicenseUnknown

Release2022

Genre: Action

Theme: —

Halted

ZGloom

Clone of Gloom

A from-scratch re-implementation of the Amiga FPS Gloom, including support for its Zombie Massacre expansion.

Platforms:WindowsLinux

Stars49

Updated3 years ago

LicenseUnknown

Release2019

Genre: FPS

Theme: Sci-Fi

Active

CorrinoEngine

Clone of Emperor: Battle for Dune

CorrinoEngine is an open-source C# engine recreating Emperor: Battle for Dune from scratch; actively developed but still unplayable.

Platforms:Windows

Stars48

Updated2 months ago

LicenseGPL-3.0

Release2020

Genre: Real-Time Strategy

Theme: —

Halted

No preview

Gods Deluxe

Clone of Gods

Gods Deluxe is a beta-stage Java remake of Gods aiming for extreme fidelity to the original, with true-color graphics and a level editor.

Platforms:WindowsLinuxOSX

Stars48

Updated1 year ago

LicenseMIT

Release2020

Genre: Platform

Theme: —

Halted

No preview

Hexen

Clone of Hexen

Raven Software's official release of the Hexen source code, published for learning and modification; the DMX sound library is excluded.

Platforms:DOS

Stars48

Updated13 years ago

LicenseGPL-2.0

Release2013

Genre: FPS

Theme: Fantasy

Archived

Hexen 2

Clone of Hexen II

Platforms:Windows

Stars48

Updated14 years ago

LicenseGPL2*

Release2012

Genre: FPS

Theme: Ancient History

* Unverified license (our read or source dataset) — check the repository itself.

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Doom

1993FPS

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Quake

1996FPS

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Super Mario

1985Platform

The NES platformer that made side-scrolling mainstream — open-source engines recreate its physics and level format down to the pixel.

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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.

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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.

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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.

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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.

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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