Stride (formerly Xenko), a free and open-source cross-platform C# game
3D puzzle game based on Kula World and Cubosphere
Modern 3D engine and IDE written using C# and C++.
GameWhizzards is a user created, Open Source 3D MMORPG
Your death sentence awaits...
ASTRO é uma plataforma para que tem a capacidade de criar jogos 2D.
Easy Terrain editing and Heightmap creation
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor
SmartMap is an easy desktop random world creator.