This is cool, but should there really be patents filed for this? Seems a pretty obvious setup. "Cube World" http://www.firebox.com/product/1201/Cube-World http

This is cool, but should there really be patents filed for this? Seems a pretty obvious setup. "Cube World" http://www.firebox.com/product/1201/Cube-World http://www.firebox.com/product/1201/Cube-World is a pretty similar, if more primitive version.