While checking out the many available 2D Game Engines for creating the SchnappCol Colonization like game project, I found the following interesting engines upfront.
Since I’m absolutely new to this topic, this was the first step in doing some research:
XNA => http://msdn.microsoft.com/en-us/library/bb203894.aspx
MonoGame => http://www.monogame.net/
SLIM DX => http://slimdx.org/
SDL.NET => http://cs-sdl.sourceforge.net/
Torque 2D => http://www.garagegames.com/products/torque-2d
Example starting with MonoGame: