Free & Open Source Clones & Decompilations of Retro Games

4,049 open-source clones, remakes and decompilations of 2,426 retro games — real source code you can read, fork, and play today, not just a free download.

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Halted

Original game image

F256 two to the power of eleven

Clone of 2048

F256 Two to the Power of Eleven is a from-scratch 2048 clone for the Foenix F256 platform with cursor-key, joystick, and SNES-pad support.

Platforms:Foenix

Stars0

Updated1 year ago

LicenseMIT

Release2024

Genre: Puzzle

Theme: —

Sporadic

Five Nights at Freddy's 2 (original game, not this project)

Original game image

FNaF 2 Decomp

Clone of Five Nights at Freddy's 2

A decompilation of the Five Nights at Freddy's 2 Windows Phone app, currently marked unplayable.

Platforms:Windows Phone

Stars0

Updated1 year ago

LicenseUnknown

Release2025

Genre: Adventure

Theme: Horror

Sporadic

Five Nights at Freddy's (original game, not this project)

Original game image

FNaF Decomp

Clone of Five Nights at Freddy's

A decompilation of the original Five Nights at Freddy's Windows Phone app, currently marked unplayable.

Platforms:Windows Phone

Stars0

Updated1 year ago

LicenseUnknown

Release2025

Genre: survival horror

Theme: Horror

Active

Far Cry for Android

Clone of Far Cry

A Linux port of Far Cry's leaked source code on SDL3, with OpenGL and DXVK Direct3D9 renderers.

Stars0

Updated1 month ago

LicenseUnknown

Release2026

Genre: first-person shooter

Theme: —

Halted

No preview

Fill-er-up

Clone of Fill 'Er Up

Fill-er-up is a conversion of Tom Hudson's game Fill'er Up to the Foenix F256 platform, released into the public domain.

Platforms:Foenix

Stars0

Updated1 year ago

LicenseUnknown

Release2022

Genre: Puzzle

Theme: —

Halted

Flappy BBerd

Clone of Flappy Bird

Flappy BBerd is a quick, minimal Python 3 clone of Flappy Bird, controlled entirely with the keyboard.

Platforms:None

Stars0

Updated3 years ago

LicenseMIT

Release2022

Genre: Arcade

Theme: —

Sporadic

GNUSki

Clone of SkiFree

An open-source clone of the classic Windows game SkiFree, currently rendered using NCurses for terminal-based graphics.

Platforms:LinuxOSXAndroid

Stars0

Updated1 year ago

LicenseGPL-2.0

Release2024

Genre: Arcade

Theme: —

Halted

Minesweeper (original game, not this project)

Original game image

Games-Minesweeper

Clone of Minesweeper

A Perl implementation of Minesweeper distributed as a CPAN module, built on AnyEvent, Gtk2, SDL, and SDL::Mixer.

Platforms:None

Stars0

Updated12 years ago

LicenseUnknown

Release2014

Genre: Puzzle

Theme: —

Halted

Hexen II (original game, not this project)

Original game image

Gauntlet of Thyrion

Clone of Hexen II

A fork of Hammer of Thyrion focused exclusively on a singleplayer macOS port of Hexen II, built via an included Xcode project.

Platforms:OSX

Stars0

Updated2 years ago

LicenseGPL-3.0

Release2023

Genre: FPS

Theme: Ancient History

Halted

Gem Drop X

Clone of Magical Drop III

A cross-platform SDL port of the Atari 8-bit puzzle game Gem Drop, playable on Windows, Linux, macOS, Classic Mac OS, Amiga, and Dreamcast.

Platforms:WindowsLinuxOSX

Stars0

Updated1 year ago

LicenseGPL-2.0

Release2022

Genre: Puzzle

Theme: —

Halted

No preview

Geometry Wars Remake

Clone of Geometry Wars

Platforms:None

Stars0

Updated11 years ago

LicenseUnknown

Release2018

Genre: Shmup

Theme: —

Halted

No preview

Green Farm 3 Decompilation

Clone of Green Farm 3

A decompilation of Gameloft's Green Farm 3 launch version (1.0.6, Samsung GT-S8000 Jet) aimed at readable, logically identical code.

Stars0

Updated1 year ago

LicenseUnknown

Release2025

Genre: —

Theme: —

Halted

Grizzly Adventures

Clone of Grizzly Adventures

Jadeware's debut platform game, with over 30 levels across 3 worlds as Grizzly battles an evil sorcerer, on Windows and iOS.

Platforms:WindowsiOS

Stars0

Updated2 years ago

LicenseUnknown

Release2024

Genre: Platform

Theme: —

Halted

No preview

HELLRAIDER

Clone of Hellraider

A disassembly of Hellraider's DOS executable, reverse-engineered into commented, mostly-named 8086 assembly plus its raw graphics data.

Platforms:DOS

Stars0

Updated3 years ago

LicenseUnknown

Release2023

Genre: Shmup

Theme: Sci-Fi

Halted

No preview

Halloween 3D

Clone of Halloween: The New Nightmare

A work-in-progress, open-source 3D shooter written in C++ with OpenGL rendering, supporting lights, scenes, entities, and a camera system.

Platforms:Linux

Stars0

Updated5 years ago

LicenseGPL-3.0

Release2021

Genre: FPS

Theme: Horror

Active

Jet Moto Anthology Recompilation

A native Windows recompilation of the PlayStation Jet Moto with refreshed art, widescreen and two-player split-screen.

Stars0

Updated1 month ago

LicenseUnknown

Release2026

Genre: —

Theme: —

Halted

Original game image

LEDPong

Clone of Pong

A hardware clone of Pong for the Arduino UNO R4 WiFi, displaying ball and paddles on its LED Matrix with buzzer sound effects.

Platforms:Arduino

Stars0

Updated2 years ago

LicenseUnknown

Release2024

Genre: Arcade

Theme: —

Sporadic

Original game image

Ladder

Clone of Ladder

A remake of the 1982 CP/M platformer Ladder, reimplemented in Java and JavaScript/HTML5 Canvas to run standalone or in a browser.

Platforms:Web

Stars0

Updated5 months ago

LicenseGPL-2.0

Release2026

Genre: Arcade

Theme: —

Halted

Original game image

LanGong Terminal Minesweeper

Clone of Minesweeper

A terminal-based Minesweeper clone for Linux and macOS, installable system-wide or per-user via a shell install script.

Platforms:LinuxOSX

Stars0

Updated5 years ago

LicenseMIT

Release2020

Genre: Puzzle

Theme: —

Sporadic

Leftovers Decomp

Clone of Leftovers

An early-stage decompilation of the game Leftovers; as of this snapshot, the mouse logic used for answering doesn't work yet.

Platforms:None

Stars0

Updated9 months ago

LicenseUnknown

Release2025

Genre: Adventure

Theme: Horror

Halted

LibDay

Clone of Liberation Day

An early-stage Unity remake of Liberation Day, still far from playable, with progress limited to tools extracting the original's data.

Platforms:None

Stars0

Updated9 years ago

LicenseMIT

Release2017

Genre: Turn-Based Strategy

Theme: Modern Military

Halted

No preview

Livewire

Clone of Livewire

A port of Tom Hudson's game Livewire to the Foenix F256 retro-computing platform, released into the public domain.

Platforms:Foenix

Stars0

Updated1 year ago

LicenseUnknown

Release2022

Genre: Shooter

Theme: —

Active

LostVikings

Clone of The Lost Vikings

A native Linux/Windows port of 1992 DOS Lost Vikings, decompiled via m2c and wrapped in SDL2, requiring the original DATA.DAT asset file.

Platforms:WindowsLinux

Stars0

Updated1 month ago

LicenseUnknown

Release2022

Genre: Platform

Theme: —

Halted

LuckySweeper

Clone of Minesweeper

A proof-of-concept Minesweeper implementation built as a game for the Minetest (Luanti) voxel engine, currently in beta.

Platforms:WindowsLinuxOSX

Stars0

Updated4 years ago

Licenselgpl-2.1

Release2021

Genre: Puzzle

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.

43 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.

20 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 III

2001Action

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.

4 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.

5 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.

8 clones to play