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.
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Clone of Tomb Raider
An open-source engine for the classic Tomb Raider games, with a browser demo and standalone builds.
Halted
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Sporadic
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Halted
Clone of Grand Theft Auto: San Andreas
An open-source Unity reimplementation of GTA San Andreas with full multiplayer and Android support, using your own game files.
Platforms:WindowsLinuxAndroid
Stars2,626
Updated3 years ago
LicenseMIT
Release2018
Genre: Action
Theme: Crime
Halted
Clone of Grand Theft Auto III
A partial open-source re-implementation of Grand Theft Auto III for Linux, macOS, Windows and BSD; needs the original PC game.
Platforms:WindowsLinuxOSX
Stars2,222
Updated1 year ago
LicenseGPL-3.0
Release2015
Genre: Action
Theme: Crime
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Halted
Archived
Clone of Tomb Raider
An inactive from-scratch Tomb Raider 1–5 engine remake with Lua scripting and support for custom TRLE levels.
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Clone of Cave Story
A from-scratch reimplementation of the Cave Story engine with quality-of-life improvements, requiring the original game's data files.
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Clone of Tomb Raider
An open-source, single-engine reimplementation of Tomb Raider I-III with restored content, photo mode, and more.
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Sporadic
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Clone of Another World
A readability-focused reimplementation of the Another World engine; needs the original PC DOS game data.
Sporadic
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Clone of Might and Magic VI: The Mandate of Heaven
An open-source Might & Magic VI-VIII engine reimplementation, currently able to play Might and Magic VII on modern systems.
Sporadic
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Clone of Metroid Prime
An alpha-stage native reimplementation of Metroid Prime for Windows, macOS and Linux.
Archived
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Clone of Grand Theft Auto
An early-stage open-source C++ remake of the original Grand Theft Auto, adding local split-screen multiplayer for up to 4 players.
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Clone of Legend of Zelda
A free, open-source engine for building and playing games similar to the original NES Zelda, with hundreds of community quests.
Platforms:WebWindowsLinux
Stars550
Updated11 days ago
LicenseGPL-3.0
Release2015
Genre: Action
Theme: —
Sporadic
Clone of Cave Story
An upgraded NXEngine fork for Cave Story with SDL2, widescreen up to Full HD, localization and initial mod support.
Halted
Halted
Clone of Tomb Raider Chronicles
An in-progress decompilation of Tomb Raider: Chronicles from debug symbols, requiring the original PlayStation disc.
Platforms:WindowsLinuxPS
Stars519
Updated4 years ago
LicenseMIT
Release2017
Genre: Action
Theme: —
Halted
Clone of The Simpsons: Hit & Run
An open-source C++ reimplementation of The Simpsons: Hit & Run using modern OpenGL, requiring the original game's asset files.
Halted
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Clone of Castle Adventure
An open-source programming language whose example programs include recreations of classic games like Pac-Man and Tetris.
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Clone of Grand Theft Auto III
A GTA III reimplementation in Godot that loads the original game files at runtime, not yet playable.
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Clone of Oddworld: Abe's Oddysee
R.E.L.I.V.E. is an open-source, bug-fixing engine replacement for Oddworld: Abe's Oddysee and Abe's Exoddus.
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