gBooM is a symple gui, written in gambas, for the great prboom game. Prboom is a 3DEngine made to play Doom 1, 2, wads with a new nice graphic on modern PC. Prboom may be start using a terminal and need a lot of pipe to set all parameters before play!
Open-source, cross-platform 3D rendering engine for .NET and Mono. The Axiom Engine is a high-performance C# port of the powerful OGRE engine and provides full support for DirectX, OpenGL and XNA on Windows, Linux, Android, iPhone and Windows Phone.