A planetarium software that shows a 3D simulation of the night sky
... the open-source glide computer
JASI - Java Event-Based Simulation Framework
DIS(IEEE 1278.1) Fully Implemented in C++
3D urban environment renderer : browser-app ; as well as a GTA clone
Mad Science
Free-roaming 3D racing game featuring advanced terrain rendering
3D Interactive sandbox environment
A microscopic pedestrian crowd simulation system and library
collection of illustrative programs:small games, simulators: C, Matlab
Space Exploration Game