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.
Archived
Halted
Halted
Active
Active
Clone of Quadrilateral Cowboy
Blendo Games' official GPL source release for Quadrilateral Cowboy, a first-person cyberpunk hacking adventure built on idTech4.
Active
Active
Clone of Tomb Raider
An actively developed open-source engine remake of Tomb Raider 1, requiring original game data, for Windows and Linux.
Active
Archived
Clone of Mafia
An open-source, fan-made recreation of Mafia: The City of Lost Heaven's engine in Unity, aimed at easing modding.
Sporadic
Active
Halted
Clone of Captain Blood
The official full engine source code for Captain Blood, developed by 1C: Seawolf Studio, released under GPL-3.0 for Windows.
Platforms:Windows
Stars279
Updated2 years ago
LicenseGPL-3.0
Release2022
Genre: Action
Theme: —
Halted
Active
Active
Clone of Higurashi: When They Cry Hou
07th-Mod's python-patcher is a cross-platform Python installer for 07th-Mod's fan mods for the Higurashi and Umineko visual novels.
Archived
Clone of Another World
rawgl is a re-implementation of Another World's game engine, supporting most original platform releases and data files.
Halted
Clone of Cave Story
A fork of NXEngine, the open-source Cave Story engine rewrite, ported to low-powered handhelds and phones.
Sporadic
Clone of Cave Story
CSE2 is a decompilation of Cave Story; this portable branch runs on Linux, macOS, Wii U, 3DS, and RISC OS in addition to Windows.
Sporadic
Clone of Otto Matic
An authorized update of Pangea Software's 2001 Otto Matic that runs on modern macOS, Windows and Linux.
Active
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.
Halted
Clone of Legacy of Kain: Soul Reaver
A decompilation of the original PlayStation Soul Reaver, ported to modern platforms including Windows, Linux, and consoles.
Platforms:WebWindowsLinux
Stars173
Updated2 years ago
LicenseUnlicense
Release2022
Genre: Action
Theme: Fantasy
Sporadic
Halted
Clone of Thief
An unfinished open-source engine for Looking Glass's DarkEngine games such as Thief, able to display levels but not yet playable.
Active
Clone of Legend of Zelda - A Link to the Past
An open-source 2D C++ engine for Lua-scripted action-RPGs, designed with games like A Link to the Past in mind.
Platforms:WindowsLinuxOSX
Stars168
Updated8 days ago
Licensegpl-3.0
Release2018
Genre: Action
Theme: —
Active
Halted
Clone of Anodyne 2: Return to Dust
Analgesic Productions' own release of the Unity source code for Anodyne 2: Return to Dust, effectively open source for most uses.
Platforms:WindowsLinuxOSX
Stars158
Updated2 years ago
LicenseUnknown
Release2024
Genre: Action
Theme: Fantasy
Halted
Clone of Alone in the Dark
A from-scratch reimplementation of the Alone in the Dark engine, requiring the original games' data files to run.
Active
Archived
Clone of Thimbleweed Park
An open-source reimplementation of the Thimbleweed Park engine, needing the original game's data files, since discontinued.
Halted
Halted
Halted
Clone of The Colony
The official Apache 2.0 source release of David A. Smith's 1988 Macintosh 3D adventure/shooter, with PC and Amiga ports.
Active
Halted
Clone of Uncharted Waters
A web-based, in-progress remake of Uncharted Waters: New Horizons letting players explore all 130 ports and sail the original's world map.
Platforms:Web
Stars128
Updated3 years ago
LicenseMIT
Release2017
Genre: Adventure
Theme: Alternate Historical
Halted
Halted
Halted
Active
Active
Clone of Thirty Flights of Loving
The official GPL-licensed source code for Brendon Chung's 2012 adventure game Thirty Flights of Loving, minus its game assets.