Looks fantastic!
Is it as stable as it looks?
And, how is it possible to freeze it within the movement, I remember that it wasn't possible "once upon a time"!(Don't remember, if it was two or three years back! )

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt