Open source, moddable game engine for the "Polygon Love 2" game
An Open Engine for use on the OUYA
Source code for the Krabat adventure
Checkers Game
realistic truck simulator with 3D graphics done from zero
Fast and easy-to-use pathfinding library for grid-based games
A fork resurrecting NewWolf (Wolfenstein 3D for OpenGL on Windows)
Javascript adventure game engine
Programming Game, A Practice Tool for Building Intelligent Things
Open Source Virtual World and MMOG Development Platform
A casual platformer
Open Source
A 2D Side Scrolling Platformer Game
Yet Another Chess ENgine