Ups, didn't expect _that_! smile
In the game you simply use the mouse to move a star and the little black fish with the fur follows it.
Just a click of the left mouse button switches between two speeds of the little fish. smile

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