Thank's for the explanation, although I'm not sure whether I understood everything, but that's my part to inform myself.
For now, I wish you good progress with the development of your contest entry!

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