One framework for creating powerful cross-platform games
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Kubok16 is a math puzzle similar to Sudoku.
A public domain cross platform 3D game
A prototype flight simulator with several dog-fighting scenarios.
Multimedia asset management and manipulator for Étoilé
An open source skateboard games engine written in C# and .NET.
The Lambda-Engine is a cross platform game engine.