Open Source Multiplatform Game Engine, C# OpenTK Version
The Delta Engine is allows you to develop applications and especially games for many different platforms (mobile, tablets, console, PC) completely under Windows with .NET by using your favorite tools. This is the Milestone 5: Jupiter release (v0.9.9).
It is free to use on Windows, Open Source and written in C# (.NET). Supported Frameworks: DirectX, OpenGL and XNA. There is also a native C++ version available at https://deltaenginecpp.codeplex.com/
This release uses nuget to get all required dependencies (you can also get the Delta Engine itself via nuget). We also recommend Visual Studio 2012 (e.g. the Express version). For additional tips see: http://deltaengine.net/learn/startingwithcsharp
For help ask in our http://forum.deltaengine.net/