The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Stride (formerly Xenko), a free and open-source cross-platform C# game
One framework for creating powerful cross-platform games
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
Kubok16 is a math puzzle similar to Sudoku.
Vivid3D is an open-source 3D engine with powerful 2D UI.
A low-level, portable graphics library for .NET
Modern 3D engine and IDE written using C# and C++.
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
Quaternion Viewer and Converter
Portable game engine with main focus on point-and-click adventures
a 2D Game Development Framework
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
3D video music media player lyrics subtitles etc...
3D .NET engine for Windows, Linux, Mac
XNA based game engine completely written in c#
An expanded XNA game creation framework
My fork of Manic Digger
A cross-platform game framework based on OpenGL and GObject.
Free open source game created in Unity 3d for Windows 64 bits