This is a simple and accessible directX 11.1 game engine for windows 8/8.1 built for UCLA's CS188 class.
It is partially based on Microsoft's spritebatch sample:
http://code.msdn.microsoft.com/windowsapps/Direct3D-sprite-sample-97ae6262
and FallFury by Brian Peek, Clint Rutkas, Dan Fernandez, Den Delimarsky, Rick Barraza:
http://channel9.msdn.com/coding4fun/articles/Fall-Fury-Part-1-Introduction
The objective is to provide an easy to understand engine that one can use to create windows 8/8.1 2d directX games that combine direct3D and direct2D