A cross-platform OpenGL based lightweight scenegraph library
Real-time Off-road Vehicle Simulation
Quake III Arena GPL Source Release
A cross platform 3d c++ game engine
Easy to use physics simulation combining ODE with OpenInventor.
The Lambda-Engine is a cross platform game engine.
Tetris by Physics
A java animation for school
Box2d Flash Alchemy Port + World Construction Kit
Make games with Lego-like building blocks