I got the problem only, when starting the bat file, as I said: in window mode, when starting the exe, everything is okey.

These are minor issues as long as one knows the restrictions.

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