I'm always falling into the abyss - I'm too bad in playing mario-like jump'n'runs! tongue
One thing I noticed: when I jump as far as I can at the sand (Weitsprung) the second time, then the game crashes.

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