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.

Arcade Puzzle Platformer RPG Strategy FPS All genres →

New clones and notable updates, roughly monthly. No spam, unsubscribe anytime.

Halted

No preview

OpenNFS1

Clone of The Need for Speed

A C# ground-up remake of the 1995 Need for Speed that runs on the original CD data files.

Platforms:Windows

Stars193

Updated9 years ago

LicenseUnknown

Release2014

Genre: Racing

Theme: —

Active

Duck Game Rebuilt

Clone of Duck Game

Duck Game Rebuilt is a C#/.NET decompilation of Duck Game with improved performance, compatibility, and quality-of-life features.

Platforms:WindowsLinux

Stars191

Updated3 months ago

LicenseUnknown

Release2022

Genre: Action

Theme: —

Sporadic

No preview

FreeFT

Clone of Fallout Tactics: Brotherhood of Steel

FreeFT is a stalled, open-source real-time isometric action engine inspired by Fallout Tactics, requiring the original game's resources.

Platforms:Windows

Stars191

Updated10 months ago

LicenseGPL-3.0

Release2013

Genre: Real-Time Tactics

Theme: —

Active

No preview

CatacombGL

Clone of Catacomb 3-D

CatacombGL is an OpenGL source port of the four Catacomb games, adding widescreen support and uncapped framerate for Windows and Linux.

Platforms:Windows

Stars189

Updated14 days ago

LicenseGPL-3.0

Release2018

Genre: Action

Theme: Fantasy

Halted

EliFUT Android app

Clone of Elifoot 98

EliFUT is an open-source Android football-manager game inspired by Elifoot 98, using FIFA 15 data and free on Google Play.

Platforms:Android

Stars189

Updated6 years ago

LicenseApache-2.0

Release2015

Genre: Sports

Theme: Management

Sporadic

Skin Deep

Clone of Skin Deep

Official released source code for Skin Deep, a 2025 immersive-sim FPS built on id Tech 4, the Doom 3 engine.

Platforms:Windows

Stars189

Updated7 months ago

LicenseGPL-3.0

Release2025

Genre: FPS

Theme: Sci-Fi

Halted

Yorg

Clone of Micro Machines

An open-source Panda3D arcade racer with 8 drivers, 8 cars, power-ups, and online/local multiplayer.

Platforms:WindowsLinuxOSX

Stars187

Updated2 years ago

LicenseUnknown

Release2016

Genre: Racing

Theme: —

Halted

CROBOTS

Clone of RobotWar

CROBOTS is a 1985 programming game where players write C programs controlling robots that battle up to four robots in real time.

Platforms:WebDOS

Stars185

Updated13 years ago

LicenseGPL-2.0

Release2013

Genre: Strategy

Theme: —

Halted

Flotilla

Clone of Flotilla

Flotilla is Brendon Chung's official 2010 source release, combining turn-based 3D ship combat with randomized exploration events.

Platforms:Windows

Stars185

Updated3 years ago

LicenseZlib

Release2020

Genre: Turn-Based Strategy

Theme: Sci-Fi

Halted

Open Panzer

Clone of Panzer General

A browser-based HTML5 take on Panzer General 2 written in plain JavaScript, playable on desktop and mobile browsers.

Platforms:Web

Stars185

Updated5 years ago

LicenseUnknown

Release2012

Genre: Turn-Based Strategy

Theme: —

Halted

No preview

StarRaiders

Clone of Star Raiders

A fully documented, reverse-engineered assembly-language source of Atari's 1980 Star Raiders, rebuilt directly from the ROM binary.

Platforms:Atari

Stars185

Updated1 year ago

LicenseUnknown

Release2016

Genre: Action

Theme: Sci-Fi

Halted

sh3redux

Clone of Silent Hill 3

An OpenGL and C++ engine remake of Silent Hill 3, buildable via CMake or Code::Blocks on Linux.

Platforms:Linux

Stars185

Updated2 years ago

LicenseGPL-3.0

Release2016

Genre: TPS

Theme: Horror

Sporadic

SeriousSamClassic

Clone of Serious Sam: The First Encounter

A cross-platform, distro-packaged build of the open-source Serious Engine for playing Serious Sam Classic.

Platforms:WindowsLinuxOSX

Stars184

Updated8 months ago

LicenseGPL-2.0

Release2022

Genre: FPS

Theme: —

Sporadic

Otto Matic

Clone of Otto Matic

An authorized update of Pangea Software's 2001 Otto Matic that runs on modern macOS, Windows and Linux.

Platforms:WindowsLinuxOSX

Stars182

Updated1 year ago

LicenseUnknown

Release2021

Genre: Adventure

Theme: Sci-Fi

Halted

No preview

Powerslave EX

Clone of Powerslave

An unofficial fan remake of Powerslave built on an early version of the author's custom Kex game engine.

Platforms:WindowsSwitchXbox Series S/X

Stars182

Updated7 years ago

LicenseGPL-3.0

Release2017

Genre: FPS

Theme: Ancient History

Sporadic

ProjectX

Clone of Forsaken

A community-maintained port of the 1998 Acclaim shooter Forsaken, with further details kept in the project wiki.

Platforms:Windows

Stars181

Updated1 year ago

LicenseUnknown

Release2013

Genre: FPS

Theme: Sci-Fi

Archived

No preview

glitch-client

Clone of Glitch

This is the CC0-licensed Flash source code for Glitch, Tiny Speck's browser MMO, provided for reference since no live servers remain.

Platforms:None

Stars181

Updated12 years ago

LicenseUnknown

Release2013

Genre: MMORPG

Theme: —

Halted

No preview

Graphite

Clone of Minecraft

Platforms:None

Stars180

Updated1 year ago

LicenseApache*

Release2022

Genre: Action

Theme: Fantasy

Sporadic

Vault13

Clone of Fallout 2

A work-in-progress Rust reimplementation of the Fallout 2 engine; not yet playable but includes a working demo map.

Platforms:WindowsLinuxOSX

Stars180

Updated9 months ago

LicenseGPL-3.0

Release2018

Genre: RPG

Theme: —

Sporadic

No preview

pokered-gbc

Clone of Pokémon Red, Blue, and Yellow

An overhaul of the Pokémon Red/Blue disassembly adding full Game Boy Color support.

Platforms:Game Boy

Stars180

Updated8 months ago

LicenseUnknown

Release2014

Genre: RPG

Theme: Fantasy

Active

No preview

FreeFalcon

Clone of Falcon

FreeFalcon is a campaign-based, multiplayer, open-source flight simulator that began as a Falcon 4.0 mod and later went fully open source.

Platforms:Windows

Stars179

Updated19 days ago

LicenseBSD-2-Clause

Release2013

Genre: Simulation

Theme: —

Active

The Dark Mod

Clone of Thief

This is a Git mirror of The Dark Mod's SVN engine source, requiring separately obtained third-party libraries and game assets to build.

Platforms:WindowsLinux

Stars179

Updated20 days ago

LicenseUnknown

Release2022

Genre: Action

Theme: Crime

Sporadic

PanzerChasm

Clone of Chasm: The Rift

A free SDL2 recreation of Chasm: The Rift that runs on the original game's data.

Platforms:Windows

Stars178

Updated9 months ago

LicenseUnknown

Release2016

Genre: FPS

Theme: Sci-Fi

Halted

No preview

ebsrc

Clone of EarthBound

ebsrc is a disassembly of EarthBound aiming to become a full decompilation, building US retail, US prototype, and Japanese ROMs.

Platforms:SNES

Stars178

Updated2 years ago

LicenseUnknown

Release2018

Genre: RPG

Theme: —

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

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