One framework for creating powerful cross-platform games
Vivid3D is an open-source 3D engine with powerful 2D UI.
Modern 3D engine and IDE written using C# and C++.
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
.NET wrapper for the Irrlicht Engine
XNA based game engine completely written in c#
Arengu is a free 2D RPG with a thrilling story and exciting gameplay.
ASTRO é uma plataforma para que tem a capacidade de criar jogos 2D.
Azmyth Game Framework
Steal anyone's MC skin