Open Source

The engine and all game files are released under a open source license.

See Also: Open Source Initiative (OSI) approved licenses

Displaying 73 - 84 of 823 games in this category. All games

OBS Studio

OBS Studio (formerly known as OBS Multiplatform) is a complete rewrite of the original OBS from the ground up, with the main goals...

The Bub's Brothers

A multiplayer clone of the famous Bubble Bobble game.
Genre: Platform, Puzzle, Action


Tesseract is a first-person shooter game focused on instagib deathmatch and capture-the-flag gameplay as well as cooperative in-game map editing.
Genre: Shooter, Action


DarkPlaces is a Quake modification I have built over the course of 6 years on and off experimenting, it got somewhat of an overhaul...

Grit Engine

The Grit Game Engine is a community project to build a free game engine (and pipeline tool-chain) for implementing open world 3D games,...


OctaForge is a 3D game engine based on Tesseract.


An open-source engine derived from Cube 2: Sauerbraten technology but with upgraded modern rendering techniques.


LÖVE is a framework you can use to make 2D games in Lua.


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FIFE Engine

FIFE is a free, open-source cross-platform game engine.


The OpenSceneGraph is an open source high performance 3D graphics toolkit, used by application developers in fields such as visual...