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

Snipes

Clone of Snipes

A reverse-engineered DOS port of Snipes, the 1983 text-mode game, with 100% identical game logic.

Platforms:WindowsLinux

Stars75

Updated2 years ago

LicenseUnknown

Release2016

Genre: shoot 'em up

Theme: —

Halted

No preview

DKC2-disassembly

Clone of Donkey Kong Country 2

A disassembly project for Donkey Kong Country 2 on the SNES, documenting the code with internal labeling and naming conventions.

Platforms:SNES

Stars74

Updated2 years ago

LicenseUnknown

Release2017

Genre: Platform

Theme: —

Active

FreeHeroes

Clone of Heroes of Might and Magic III

A free C++/Qt reimplementation of Heroes of Might and Magic III's engine, pre-alpha with battle emulation as its playable feature.

Platforms:Windows

Stars74

Updated29 days ago

LicenseMIT

Release2020

Genre: Turn-Based Strategy

Theme: —

Active

Underworld Adventures

Clone of Ultima Underworld

An open source recreation of Ultima Underworld 1 for modern OSes, using the original game's own data files.

Platforms:Windows

Stars74

Updated1 month ago

LicenseGPL-2.0

Release2019

Genre: RPG

Theme: Fantasy

Halted

Violetland

Clone of Crimsonland

An open-source Crimsonland-like game where Violet fights hordes of monsters with unlockable weapons and abilities.

Platforms:Windows

Stars74

Updated3 years ago

LicenseUnknown

Release2012

Genre: Shmup

Theme: —

Halted

No preview

Voxelands

Clone of Minecraft

A Minecraft-like sandbox game forked from Minetest, with fully destructible blocks and multiplayer support.

Platforms:WindowsLinux

Stars74

Updated6 years ago

LicenseUnknown

Release2015

Genre: Action

Theme: Fantasy

Archived

coUclient

Clone of Glitch

coUclient is the Dart-based browser client for Children of Ur, a continuation built on Glitch's public-domain game elements.

Platforms:Web

Stars74

Updated7 years ago

LicenseMIT

Release2013

Genre: MMORPG

Theme: —

Sporadic

Abuse 2025

Clone of Abuse

A modern SDL2 port of Abuse (1996), adding high-resolution graphics, gamepad support, a level editor, and LAN co-op/deathmatch.

Platforms:WindowsLinuxOSX

Stars73

Updated6 months ago

LicenseUnknown

Release2024

Genre: Action

Theme: Horror

Halted

Full Metal Jacket

Clone of Full Metal Jacket

Preserves the complete executable, data, and source of Full Metal Jacket (1995), playable via DOSBox and rebuildable with Watcom C/C++.

Platforms:Windows

Stars73

Updated3 years ago

LicenseUnknown

Release2019

Genre: Action

Theme: Sci-Fi

Active

ROLLER

Clone of Fatal Racing

A modern PC reimplementation of the 1995 stunt racer Fatal Racing/Whiplash, playable in-browser.

Platforms:WebWindowsLinux

Stars73

Updated1 month ago

LicenseGPL-3.0

Release2024

Genre: Racing

Theme: —

Halted

No preview

SCSharp

Clone of StarCraft

SCSharp is a C# remake of the 1998 real-time strategy game StarCraft.

Platforms:Windows

Stars73

Updated5 years ago

LicenseUnknown

Release2010

Genre: Real-Time Strategy

Theme: Sci-Fi

Halted

2048-Qt

Clone of 2048

2048-Qt is a cross-platform Qt clone of 2048, tested on Windows and Linux, with support for several languages including Chinese.

Platforms:WindowsLinux

Stars72

Updated2 years ago

LicenseMIT

Release2014

Genre: Puzzle

Theme: —

Active

BaKGL

Clone of Betrayal at Krondor

A from-scratch OpenGL/C++ remake of Betrayal at Krondor, mostly playable but with full combat still in progress.

Platforms:Windows

Stars72

Updated23 days ago

LicenseGPL-3.0

Release2019

Genre: RPG

Theme: —

Active

No preview

MegaManX6Recomp

Clone of Mega Man X6

A static recompilation of Mega Man X6 (PS1) into a native Windows program, with experimental widescreen and opt-in mods.

Platforms:WindowsLinuxOSX

Stars72

Updated15 days ago

LicenseUnknown

Release2026

Genre: Platform

Theme: —

Active

No preview

Mischief Makers

Clone of Mischief Makers

An in-progress matching decompilation of Treasure's Nintendo 64 platformer Mischief Makers.

Platforms:N64

Stars72

Updated1 month ago

LicenseUnknown

Release2021

Genre: Platform

Theme: —

Halted

No preview

OpenFNaF

Clone of Five Nights at Freddy's

A halted, semi-playable open-source Five Nights at Freddy's project built with the gLib2D library.

Platforms:None

Stars72

Updated5 years ago

LicenseMIT

Release2019

Genre: survival horror

Theme: Horror

Halted

No preview

dRally

Clone of Death Rally

dRally is a native Linux/BSD port of Death Rally (1996) requiring the original game's assets, currently listed as unplayable.

Platforms:Linux

Stars72

Updated3 years ago

LicenseMIT

Release2019

Genre: Racing

Theme: —

Archived

xu4

Clone of Ultima IV

A faithful remake of the 1985 RPG Ultima IV for modern systems, playable with the original DOS EGA or VGA graphics.

Platforms:WindowsLinux

Stars72

Updated1 year ago

LicenseGPL-3.0

Release2021

Genre: RPG

Theme: —

Active

Amnesia: The Dark Descent (rework)

Clone of Amnesia: The Dark Descent

A from-scratch Vulkan-based rework of Amnesia: The Dark Descent's engine with ray-traced global illumination, needing a retail copy.

Platforms:WindowsLinuxOSX

Stars71

Updated13 days ago

LicenseGPL-3.0

Release2021

Genre: Adventure

Theme: Horror

Sporadic

No preview

Amulets & Armor

Clone of Amulets & Armor

The official open-source release of Amulets & Armor's C codebase, covering its original DOS build and a Windows/SDL port.

Platforms:WindowsDOS

Stars71

Updated6 months ago

LicenseGPL-3.0

Release2013

Genre: RPG

Theme: Fantasy

Halted

Clonepoint

Clone of Gunpoint

Clonepoint is a free, open-source clone of Gunpoint for Linux and Windows, with custom level support via the Tiled map editor.

Platforms:WindowsLinux

Stars71

Updated2 years ago

LicenseGPL-3.0

Release2015

Genre: Platform

Theme: Sci-Fi

Active

No preview

Goldeneye 007

Clone of GoldenEye 007

A work-in-progress decompilation of GoldenEye 007 for N64, rebuilding the NTSC-U, Japanese, and PAL ROMs against checksum verification.

Platforms:N64

Stars71

Updated1 month ago

LicenseUnknown

Release2016

Genre: FPS

Theme: —

Active

OpenE2140 (OpenRA)

Clone of Earth 2140

A work-in-progress OpenRA-based remake of the 1997 RTS Earth 2140, now in multiplayer alpha.

Platforms:WindowsLinuxOSX

Stars71

Updated15 days ago

LicenseGPL-3.0

Release2022

Genre: Real-Time Strategy

Theme: Sci-Fi

Halted

The Catacomb

Clone of Catacomb

The original GPLv2 source code for The Catacomb (Catacomb II), built with Borland C++; game data must be acquired separately.

Platforms:DOS

Stars71

Updated12 years ago

LicenseGPL-2.0

Release2014

Genre: Action

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