Fast and easy-to-use pathfinding library for grid-based games
Javascript adventure game engine
A fork resurrecting NewWolf (Wolfenstein 3D for OpenGL on Windows)
Open Source Virtual World and MMOG Development Platform
Programming Game, A Practice Tool for Building Intelligent Things
A casual platformer
Open Source
A 2D Side Scrolling Platformer Game
Yet Another Chess ENgine
Complete ROV Control Suite
Texas Holdem Poker AI
realistic truck & car simulator, with OpenGL graphics
cross-platform 2d game engine
Graphing calculator within the Windows desktop console
Simple puzzle game
Bukkit Plugin