Free & Open Source Adventure Games

243 free, open-source adventure games — real clones and remakes you can download, inspect the source of, and modify. Not just free to play: the code itself is open.

Active

The Ur-Quan Masters HD MegaMod

Clone of Star Control 2

A fork of The Ur-Quan Masters HD-mod for Star Control II, adding many extra graphics options and QoL improvements.

Platforms:WindowsLinux

Stars111

Updated12 days ago

LicenseGPL-2.0

Release2019

Genre: Adventure

Theme: Sci-Fi

Halted

No preview

Castlequest

Clone of Castlequest

An authorized preservation of the original 1980 Fortran game Castlequest, recovered and transcribed from Copyright Office paper copies.

Platforms:Linux

Stars109

Updated5 years ago

LicenseUnknown

Release2021

Genre: Adventure

Theme: Fantasy

Active

No preview

LBA2 Classic (Community)

Clone of Little Big Adventure 2

A community fork of LBA2's 1997 engine ported to modern systems with HD rendering, gamepad support, and SDL3 audio; still pre-1.0.

Platforms:WindowsLinuxOSX

Stars108

Updated12 days ago

LicenseGPL-2.0

Release2021

Genre: Action

Theme: Fantasy

Active

Abbaye-SDL

Clone of l'Abbaye des Morts

A cross-platform C/SDL2 port of l'Abbaye des Morts, extending the Windows-only original to Linux, macOS, and several handhelds.

Platforms:LinuxOSXWii

Stars104

Updated2 months ago

LicenseGPL-3.0

Release2015

Genre: Adventure

Theme: —

Halted

No preview

The Almost of ZZT

Clone of ZZT

A near-complete, authentic snapshot of a real 1991 ZZT development build's Pascal source, not a decompilation, targeting DOS.

Platforms:DOS

Stars101

Updated3 years ago

LicenseMIT

Release2023

Genre: Action

Theme: —

Sporadic

No preview

Shadow of the Colossus Decompilation Project

Clone of Shadow of the Colossus

A decompilation rebuilding Shadow of the Colossus's Preview Version executable from its original PS2 ISO.

Platforms:PS2

Stars100

Updated6 months ago

LicenseMIT

Release2024

Genre: Action

Theme: Fantasy

Active

No preview

Redguard Unity

Clone of The Elder Scrolls Adventures: Redguard

An early-stage Unity port of The Elder Scrolls Adventures: Redguard, aiming for a faithful, performance-improved recreation.

Platforms:None

Stars98

Updated2 months ago

LicenseMIT

Release2022

Genre: Action

Theme: Fantasy

Active

No preview

The Legend of Zelda: Phantom Hourglass

Clone of The Legend of Zelda: Phantom Hourglass

A work-in-progress hand decompilation of Phantom Hourglass targeting the EU and US versions, requiring a legally owned copy to build.

Platforms:DS

Stars98

Updated1 month ago

LicenseCC0-1.0

Release2023

Genre: Action

Theme: —

Halted

No preview

Metroid for MMC3

Clone of Metroid

A reworked NES Metroid disassembly that uses the MMC3 memory controller, meant as a base for mods.

Platforms:NES

Stars95

Updated2 years ago

LicenseUnknown

Release2014

Genre: Adventure

Theme: —

Active

No preview

Advent

Clone of Colossal Cave Adventure

Modern C99 translations of four classic Adventure-family games, plus archived historical variants, playable in browsers via the Z-machine.

Platforms:Web

Stars92

Updated11 days ago

LicenseUnknown

Release2012

Genre: Adventure

Theme: —

Halted

Gravity Bone

Clone of Gravity Bone

The GPL-licensed source code for Brendon Chung's Gravity Bone (2008), built on the Quake II engine; art and audio assets aren't included.

Platforms:Windows

Stars91

Updated6 years ago

LicenseGPL-2.0

Release2020

Genre: Adventure

Theme: Espionage

Halted

No preview

OpenVice

Clone of Grand Theft Auto: Vice City

An early, unfinished C# engine port of GTA: Vice City that loads the original game's files.

Platforms:Windows

Stars91

Updated2 years ago

LicenseUnknown

Release2016

Genre: Action

Theme: Crime

Halted

TwinEngine

Clone of Little Big Adventure

TwinEngine is an open-source engine reimplementation for playing Little Big Adventure 1.

Platforms:WindowsLinuxOSX

Stars91

Updated1 year ago

LicenseGPL-2.0

Release2015

Genre: Action

Theme: Fantasy

Halted

OpenRaider

Clone of Tomb Raider

A from-scratch rewrite of the classic Tomb Raider engine that plays TR1–TR3 levels and custom maps using your own game files.

Platforms:LinuxOSX

Stars85

Updated2 years ago

LicenseGPL-2.0

Release2013

Genre: Platform

Theme: —

Active

No preview

The Legend of Zelda: Ocarina of Time 3D

Clone of The Legend of Zelda: Ocarina of Time

A work-in-progress decompilation of the 2011 3DS remake of Ocarina of Time, currently rebuilding only its code.bin/oot3d.axf binaries.

Platforms:3DS

Stars83

Updated22 days ago

LicenseCC0-1.0

Release2024

Genre: Action

Theme: Fantasy

Archived

No preview

f2bgl

Clone of Fade to Black

f2bgl is an archived re-implementation of the Fade to Black (1995) game engine, playable on Windows and Android with configurable controls.

Platforms:WindowsAndroid

Stars81

Updated5 years ago

LicenseUnknown

Release2013

Genre: Action

Theme: —

Archived

No preview

OpenSR

Clone of Space Rangers 2: Dominators

An archived, partially complete open-source engine for Space Rangers 2 that needs files from the "Reboot" release.

Platforms:WindowsLinuxOSX

Stars77

Updated9 years ago

LicenseGPL-3.0

Release2011

Genre: Adventure

Theme: Sci-Fi

Halted

No preview

The Legend of Zelda

Clone of Legend of Zelda

A work-in-progress disassembly of the original NES Legend of Zelda, currently requiring your own ROM to build via the CC65 toolchain.

Platforms:NES

Stars77

Updated10 years ago

LicenseUnknown

Release2016

Genre: Action

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

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

Updated11 days ago

LicenseGPL-3.0

Release2021

Genre: Adventure

Theme: Horror

Sporadic

No preview

Zeta

Clone of ZZT

A lightweight emulator that runs ZZT and Super ZZT accurately in modern environments, including in a web browser.

Platforms:WebWindowsLinux

Stars70

Updated4 months ago

LicenseMIT

Release2020

Genre: Action

Theme: —

Archived

Another World JS

Clone of Another World

An archived JavaScript/HTML5 reimplementation of Another World that interprets the original game's own bytecode, with a rewind feature.

Platforms:Web

Stars69

Updated4 years ago

LicenseUnknown

Release2020

Genre: Adventure

Theme: Sci-Fi

Archived

No preview

LBA1 Classic (Community)

Clone of Little Big Adventure

A community-driven preservation release of the Little Big Adventure engine source code, engine-only under GPL — no game assets included.

Platforms:WindowsDOS

Stars67

Updated10 months ago

LicenseGPL-2.0

Release2021

Genre: Action

Theme: Fantasy

Halted

KevEdit

Clone of ZZT

KevEdit is a ZZT world editor originally made 2000-2005 by Kevin Vance and Ryan Phillips, revived on GitHub since 2023.

Platforms:WindowsLinuxOSX

Stars66

Updated2 years ago

LicenseGPL-2.0

Release2017

Genre: Action

Theme: —

Halted

Another World Suite

Clone of Another World

Another World Suite is a Rust implementation of the Another World game engine, compiled to WebAssembly to run in a browser.

Platforms:Web

Stars65

Updated3 years ago

LicenseMIT

Release2020

Genre: Adventure

Theme: Sci-Fi

Halted

libnpengine

Clone of Chaos;Head

libnpengine is a free reimplementation of the Nitroplus visual novel engine for Linux, currently able to run Steins;Gate and others.

Platforms:Linux

Stars64

Updated7 years ago

LicenseLGPL-3.0

Release2014

Genre: Adventure

Theme: Anime

Sporadic

shin

Clone of Umineko: When They Cry Saku

A Rust reimplementation of Entergram's visual-novel engine, currently running Switch's Umineko no Naku Koro ni Saku.

Platforms:WindowsLinuxOSX

Stars63

Updated9 months ago

LicenseMPL-2.0

Release2022

Genre: Adventure

Theme: Anime

Active

TombaRecomp

Clone of Tomba!

A static recompilation of the PS1 game Tomba! into a native PC executable, using your own legally obtained disc.

Platforms:WindowsLinuxOSX

Stars62

Updated14 days ago

LicenseUnknown

Release2026

Genre: Adventure

Theme: Fantasy

Sporadic

Colditz Escape

Clone of Escape from Colditz

Colditz Escape is a GPLv3 rewritten engine for the original Amiga game, reverse-engineered from the original binary.

Platforms:WindowsLinuxOSX

Stars58

Updated11 months ago

LicenseUnknown

Release2015

Genre: Action

Theme: —

Halted

No preview

OpenDrakan

Clone of Drakan: Order of the Flame

An early reverse-engineered recreation of the Riot Engine, aiming to run Drakan: Order of the Flame on modern Linux.

Platforms:Linux

Stars58

Updated2 years ago

LicenseGPL-3.0

Release2018

Genre: Action

Theme: Fantasy

Active

Cryogenic

Clone of Dune

A C# reimplementation of Dune's 1992 CD version that replaces original DOS assembly routines using the Spice86 x86 emulator.

Platforms:Windows

Stars57

Updated1 month ago

LicenseApache-2.0

Release2022

Genre: Adventure

Theme: Sci-Fi

Active

No preview

The Legend of Zelda: Spirit Tracks

Clone of The Legend of Zelda: Spirit Tracks

A work-in-progress hand decompilation of Spirit Tracks, supporting Japanese, European, and USA ROM releases.

Platforms:DS

Stars57

Updated26 days ago

LicenseCC0-1.0

Release2025

Genre: Action

Theme: —

Sporadic

No preview

Nitrosharp

Clone of Chaos;Head

An open-source reimplementation of Nitroplus's N2System visual novel engine, aimed at running Chaos;Head Noah on PC.

Platforms:Windows

Stars56

Updated9 months ago

LicenseMIT

Release2021

Genre: Adventure

Theme: Anime

Sporadic

AnodyneSharp

Clone of Anodyne

A fan-made C# rewrite of Anodyne using MonoGame, built from the original's source code, adding UX improvements and 60 FPS OpenGL rendering.

Platforms:WindowsLinuxOSX

Stars55

Updated7 months ago

LicenseUnknown

Release2020

Genre: Action

Theme: Fantasy

Active

REminiscence / REinforced

Clone of Flashback

REinforced is an enhanced fork of the Flashback engine re-implementation REminiscence, adding Russian-language support.

Platforms:None

Stars55

Updated2 months ago

LicenseGPL-3.0

Release2020

Genre: Adventure

Theme: —

Halted

engge2

Clone of Thimbleweed Park

An open-source reimplementation of Thimbleweed Park's engine, rewritten from scratch in Nim, still in active development.

Platforms:WindowsLinuxOSX

Stars54

Updated2 years ago

LicenseUnknown

Release2022

Genre: Adventure

Theme: Comedy

Halted

RuZZT

Clone of ZZT

A faithful Rust reimplementation of the ZZT engine, verified against the original game using a disassembler.

Platforms:None

Stars50

Updated7 years ago

LicenseMIT

Release2019

Genre: Action

Theme: —

Halted

No preview

kings-quest-3

Clone of King's Quest III

This is an official King's Quest III repository under the historicalsource GitHub organization, with no further README detail.

Platforms:DOS

Stars46

Updated3 years ago

LicenseUnknown

Release2022

Genre: Adventure

Theme: Fantasy

Halted

DreamZZT

Clone of ZZT

Platforms:WindowsLinuxOSX

Stars44

Updated15 years ago

LicenseGPL-2.0

Release2011

Genre: Action

Theme: —

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