Open-source, cross-platform, C++ game engine for creating 2D/3D games
3D .NET engine for Windows, Linux, Mac
A 3D Game Framework
Sokoban clone with 3d rendering
realtime 3d surface rendering library
a very lightweight advanced terrain-rendering and 3D map rendering sys
Design and Display Happy Cube solutions
Turbulenz is a modular 3D and 2D game framework
extreme 3D flight simulator with advanced terrain rendering
3D Architecture modelling and physics simulation system
Read and run Cryptic Studios games .demo files
Free-roaming 3D racing game featuring advanced terrain rendering
action/combat flight sim
A world editor for HGE game engine written in python and uses OpenGL.