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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Wind Waker Randomizer

Clone of The Legend of Zelda: The Wind Waker

An item randomizer for The Legend of Zelda: The Wind Waker that guarantees every seed is completable without glitches.

Platforms:WindowsLinuxOSX

Stars427

Updated2 months ago

LicenseMIT

Release2018

Genre: Action

Theme: —

Sporadic

Tanks of Freedom II

Clone of Advance Wars

An open-source turn-based strategy game in voxel art, the sequel to Tanks of Freedom, with a built-in map editor.

Platforms:WindowsLinux

Stars426

Updated1 year ago

LicenseUnknown

Release2019

Genre: Turn-Based Strategy

Theme: —

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Diddy Kong Racing

Clone of Diddy Kong Racing

A full decompilation of Diddy Kong Racing for the Nintendo 64, supporting all regional ROM versions and requiring your own ROM to build.

Platforms:N64

Stars424

Updated1 month ago

LicenseCC0-1.0

Release2020

Genre: Racing

Theme: —

Halted

Glider PRO

Clone of Glider

The original source code for Glider PRO, John Calhoun's Macintosh game published by Casady & Greene, released under the GNU GPL v2.

Platforms:Classic Mac OS

Stars421

Updated5 years ago

LicenseGPL-2.0

Release2016

Genre: Action

Theme: —

Active

MegaGlest

Clone of Glest

MegaGlest is a free, actively developed 3D real-time strategy game with seven factions across 17 settings, for Windows, Linux, and macOS.

Platforms:WindowsLinuxOSX

Stars420

Updated3 months ago

LicenseUnknown

Release2013

Genre: Real-Time Strategy

Theme: Medieval

Halted

SRB2Kart

Clone of Mario Kart

A Sonic-themed kart racer built on the Sonic Robo Blast 2 engine, in the style of Mario Kart.

Platforms:WindowsLinuxOSX

Stars418

Updated1 year ago

LicenseGPL-2.0

Release2019

Genre: Racing

Theme: —

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OpenTS2

Clone of The Sims 2

An early Unity-based re-implementation of The Sims 2, with a working main menu and basic neighborhood view.

Platforms:Windows

Stars417

Updated2 months ago

LicenseMPL-2.0

Release2022

Genre: Simulation

Theme: —

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Clone of Albion

A static recompiler that rebuilds classic DOS/Windows games like X-COM and Warcraft: Orcs & Humans as native modern builds.

Platforms:WindowsLinux

Stars416

Updated1 month ago

LicenseUnknown

Release2016

Genre: RPG

Theme: Sci-Fi

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The X Tech

Clone of Super Mario

TheXTech is a faithful C++ rewrite of the SMBX 1.3 Mario-style level engine, running cross-platform with an added editor.

Platforms:WindowsLinuxOSX

Stars415

Updated14 days ago

LicenseGPL-3.0

Release2020

Genre: Platform

Theme: —

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ezQuake

Clone of Quake

ezQuake is a modern QuakeWorld client combining features from established clients, with QTV spectating, a server browser, and scripting.

Platforms:WindowsLinuxOSX

Stars415

Updated14 days ago

LicenseGPL-2.0

Release2010

Genre: FPS

Theme: Fantasy

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OpenJazz

Clone of Jazz Jackrabbit

An open-source engine for the classic Jazz Jackrabbit games, running on PC, homebrew consoles and in the browser.

Platforms:WebWindowsLinux

Stars408

Updated26 days ago

LicenseGPL-2.0

Release2014

Genre: Platform

Theme: —

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NES Elite

Clone of Elite

Fully documented, hand-reconstructed source code for Elite on the NES that builds a working PAL or NTSC ROM.

Platforms:NES

Stars406

Updated16 days ago

LicenseUnknown

Release2023

Genre: Action

Theme: Sci-Fi

Halted

CCOSS

Clone of Cortex Command

CCOSS is the open-source release of Cortex Command's engine under AGPLv3, without game data, requiring the original game and Steam DLLs.

Platforms:Windows

Stars405

Updated2 years ago

LicenseAGPL-3.0

Release2019

Genre: Action

Theme: Sci-Fi

Halted

Manic Digger

Clone of Minecraft

Manic Digger is a Minecraft-style voxel building game with singleplayer and multiplayer, a huge default world, and a C#/JS modding API.

Platforms:Windows

Stars402

Updated2 years ago

LicenseUnknown

Release2014

Genre: Action

Theme: Fantasy

Sporadic

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OpenClonk

Clone of Clonk

The open-source, community-developed continuation of the Clonk action/strategy/platformer series for Windows, Linux and macOS.

Platforms:WindowsLinuxOSX

Stars401

Updated5 months ago

LicenseUnknown

Release2013

Genre: Action

Theme: —

Archived

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ResidualVM

Clone of Escape from Monkey Island

ResidualVM is a 3D game engine interpreter for Grim Fandango, Escape from Monkey Island, Myst III, and The Longest Journey.

Platforms:WindowsLinuxOSX

Stars400

Updated2 years ago

LicenseGPL-2.0

Release2011

Genre: Adventure

Theme: —

Halted

Celeste Classic GBA port

Clone of Celeste Classic

A Game Boy Advance port of Celeste Classic, described as almost a direct conversion of the original with only minor graphical changes.

Platforms:GBA

Stars398

Updated1 year ago

LicenseUnknown

Release2019

Genre: Platform

Theme: —

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Pokémon Gold and Silver: Space World 1997 Demo

Clone of Pokémon Gold and Silver

A disassembly of the unfinished Pokémon Gold and Silver prototype shown at Space World 1997.

Platforms:Game Boy

Stars393

Updated16 days ago

LicenseUnknown

Release2018

Genre: RPG

Theme: —

Halted

Anodyne

Clone of Anodyne

The complete official source and asset repository for Anodyne, including its Flixel codebase, level data, music, and the DAME level editor.

Platforms:Windows

Stars392

Updated2 years ago

LicenseUnknown

Release2020

Genre: Action

Theme: Fantasy

Halted

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Reconstruction of ZZT

Clone of ZZT

A byte-for-byte accurate reverse-engineered reconstruction of ZZT 3.2's lost original source code.

Platforms:DOS

Stars385

Updated1 year ago

LicenseUnknown

Release2020

Genre: Action

Theme: —

Halted

glPortal

Clone of Portal

GlPortal is an open-source sci-fi first-person puzzle-platformer with realistic physics, built on the custom RadixEngine, cross-platform.

Platforms:WindowsLinux

Stars384

Updated2 years ago

LicenseUnknown

Release2014

Genre: FPS

Theme: —

Archived

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Ninja Hattori-kun

Clone of Ninja Hattori-kun

An archived, undocumented repository of NES source code for Ninja Hattori-kun.

Platforms:NES

Stars380

Updated6 years ago

LicenseUnknown

Release2019

Genre: Platform

Theme: —

Halted

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Return to Castle Wolfenstein Multiplayer

Clone of Return to Castle Wolfenstein

Official id Software GPL source release of Return to Castle Wolfenstein's multiplayer code; game data isn't included.

Platforms:Windows

Stars378

Updated14 years ago

LicenseGPL-3.0

Release2012

Genre: FPS

Theme: Sci-Fi

Active

OpenBVE

Clone of BVE Trainsim

An open-source 3D cab-view train simulator that runs BVE, BVE5 and Mechanik routes and BVE trains.

Platforms:WindowsLinuxOSX

Stars377

Updated13 days ago

LicenseUnknown

Release2015

Genre: Simulation

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