Air traffic control tower and radar simulator (solo + multi-player)
3D-Accelerated open-source DOOM engine
Gphoton in a simple 3d modeler and ray tracer.
Agent-based framework for Artificial Life and Complex Systems
Evolving Artificial Life
Open source, moddable game engine for the "Polygon Love 2" game
A multiplayer First-Person-Shooter game built in Java 3D
Web-based market place and banking system for RGB Community Currency