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.

Active

Open Surge

Clone of Sonic the Hedgehog

An open-source 2D engine with its own Sonic-style platformer, Surge the Rabbit, plus a scripting language for making new games.

Platforms:WindowsLinuxAndroid

Stars476

Updated2 months ago

LicenseGPL-3.0

Release2018

Genre: Platform

Theme: —

Halted

No preview

Little Big Adventure 1 - Engine source code

Clone of Little Big Adventure

The official engine source code release for Little Big Adventure (1994), covering only the Assembly-era code without original art or audio.

Platforms:DOS

Stars474

Updated4 years ago

LicenseGPL-2.0

Release2021

Genre: Action

Theme: Fantasy

Sporadic

Nanosaur

Clone of Nanosaur

Pangea's 1998 Mac game Nanosaur, updated with permission to run on modern macOS, Windows and Linux.

Platforms:WindowsLinuxOSX

Stars474

Updated5 months ago

LicenseUnknown

Release2020

Genre: TPS

Theme: Prehistoric

Active

HiveWE

Clone of Warcraft III

HiveWE is a fast third-party World Editor replacement for Warcraft III, adding quicker load times and advanced map-editing tools.

Platforms:Windows

Stars473

Updated13 days ago

LicenseAGPL-3.0

Release2017

Genre: Real-Time Strategy

Theme: Fantasy

Active

OpenVic

Clone of Victoria II

An in-development Godot 4 open-source project based on Paradox's Victoria II, not yet playable.

Platforms:WindowsLinuxOSX

Stars471

Updated14 days ago

LicenseMIT

Release2023

Genre: Real-Time Tactics

Theme: Alternate Historical

Active

Miu2D

Clone of Jianxia Qingyuan 2

A from-scratch WebGL engine that rebuilds three classic Kingsoft wuxia action RPGs to play in the browser.

Platforms:Web

Stars469

Updated21 days ago

LicenseMIT

Release2026

Genre: RPG

Theme: Martial Arts

Active

Commodore 64 Elite

Clone of Elite

The fully documented original Commodore 64 source code for Elite (1985), annotated line-by-line and built into four accurate variants.

Platforms:C64

Stars467

Updated12 days ago

LicenseUnknown

Release2024

Genre: Action

Theme: Sci-Fi

Active

Freeminer

Clone of Minecraft

Freeminer is an open-source Minecraft-inspired sandbox game forked from the Minetest engine, playable on Windows, Linux, and Android.

Platforms:WindowsLinuxAndroid

Stars467

Updated11 days ago

LicenseUnknown

Release2013

Genre: Action

Theme: Fantasy

Archived

No preview

Super Mario 64 (DualShock Version)

Clone of Super Mario 64

A PSX/PC port of the Super Mario 64 decompilation with real DualShock rumble support, though unfinished and archived.

Platforms:PS

Stars466

Updated1 month ago

LicenseUnknown

Release2024

Genre: Platform

Theme: —

Active

No preview

Vanilla-Conquer

Clone of Command & Conquer

A portable open-source reimplementation of the original Command & Conquer engine, running Tiberian Dawn and Red Alert.

Platforms:WindowsLinuxOSX

Stars462

Updated2 months ago

LicenseUnknown

Release2020

Genre: Real-Time Strategy

Theme: Modern Military

Active

Seed7

Clone of Castle Adventure

An open-source programming language whose example programs include recreations of classic games like Pac-Man and Tetris.

Platforms:Windows

Stars461

Updated12 days ago

LicenseGPL-2.0

Release2020

Genre: Adventure

Theme: —

Active

OpenLiberty

Clone of Grand Theft Auto III

A GTA III reimplementation in Godot that loads the original game files at runtime, not yet playable.

Platforms:WindowsLinuxOSX

Stars454

Updated13 days ago

LicenseMIT

Release2022

Genre: Action

Theme: Crime

Halted

No preview

canvas-tetris

Clone of Tetris

canvas-tetris is a simple HTML5 Canvas implementation of Tetris, built as an educational example in about 45 minutes.

Platforms:Web

Stars451

Updated2 years ago

LicenseMIT

Release2012

Genre: Puzzle

Theme: Abstract

Sporadic

No preview

Frets on Fire X

Clone of Guitar Hero

Frets on Fire X is a highly customizable four-player rhythm game for guitar, bass, drums, and vocals, continuing the original Frets on Fire.

Platforms:WindowsLinux

Stars449

Updated4 months ago

LicenseUnknown

Release2012

Genre: Rhythm

Theme: —

Active

No preview

CTR-ModSDK

Clone of Crash Team Racing

CTR-ModSDK is a toolkit for creating C-language mods for Crash Team Racing (1999), including example mods and a Ghidra-derived source tree.

Platforms:None

Stars446

Updated2 months ago

LicenseGPL-3.0

Release2022

Genre: Racing

Theme: Motorsports

Halted

Magarena

Clone of Magic: The Gathering Online

Magarena is a single-player fantasy card game for Java 8+, playable on Windows, Linux, and macOS.

Platforms:WindowsLinuxOSX

Stars445

Updated3 years ago

LicenseGPL-3.0

Release2014

Genre: Card Game

Theme: Fantasy

Active

DarkPlaces

Clone of Quake

DarkPlaces is a Quake engine fork adding modern rendering and an expanded QuakeC scripting language, running many Quake-based games.

Platforms:WindowsLinuxOSX

Stars443

Updated26 days ago

LicenseGPL-2.0

Release2021

Genre: FPS

Theme: Fantasy

Active

Neverball

Clone of Super Monkey Ball

A ball-rolling game where you tilt the floor to steer a ball through timed obstacle courses and collect coins.

Platforms:WindowsLinuxOSX

Stars442

Updated17 days ago

LicenseUnknown

Release2013

Genre: Arcade

Theme: —

Active

No preview

s1disasm

Clone of Sonic the Hedgehog

A full disassembly of the original 1991 Sonic the Hedgehog Genesis code, shared for educational, non-commercial use only.

Platforms:Genesis

Stars442

Updated17 days ago

LicenseUnknown

Release2013

Genre: Platform

Theme: —

Active

sfall

Clone of Fallout 2

A DLL-based engine mod for Fallout 2 that patches the game in memory, adding bug fixes, OS support, and modder scripting.

Platforms:Windows

Stars436

Updated12 days ago

LicenseGPL-3.0

Release2015

Genre: RPG

Theme: —

Active

R.E.L.I.V.E.

Clone of Oddworld: Abe's Exoddus

R.E.L.I.V.E. is an open-source, bug-fixing engine replacement for Oddworld: Abe's Oddysee and Abe's Exoddus.

Platforms:WindowsLinuxOSX

Stars435

Updated20 days ago

LicenseUnknown

Release2018

Genre: Platform

Theme: —

Active

Wargus

Clone of Warcraft II

Wargus lets you play Warcraft II with the open-source Stratagus engine, matching the original's look, sound, and gameplay.

Platforms:WindowsLinuxOSX

Stars435

Updated21 days ago

LicenseGPL-2.0

Release2015

Genre: Real-Time Strategy

Theme: Fantasy

Halted

Chariot

Clone of Age of Empires

Chariot is an early-stage Rust and SDL2 reimplementation of the 1997 Age of Empires engine, with no playable game yet as of 2016.

Platforms:WindowsLinuxOSX

Stars432

Updated8 years ago

LicenseUnknown

Release2016

Genre: Real-Time Strategy

Theme: Ancient History

Archived

No preview

Descent

Clone of Descent

Parallax Software's original 1998 Descent 1 source code, released without the sound and modem code the studio didn't own the rights to.

Platforms:WindowsOSXSaturn

Stars430

Updated8 years ago

LicenseUnknown

Release2012

Genre: FPS

Theme: Sci-Fi

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