Press [ENTER] while playing then enter the following codes:

Cheat Code	Result
-UBERLOAD	Random level jump
-CALCFPS	Calculate framerate
-EMBIGGENME	God mode
-3DNOW!	AMD's 3DNow! support on/off
-DEBUG	Show debug information
-CRAZYGUY	All spells and mana
-CSWIRE	Landscape on/off
-BOUNDINGBOX	Draw bounding boxes around objects
-WHOAH	Fly mode (LMB = Fast, RMB = Slow)
-SHOWFPS	Show framerate

Note: The minus (-) sign MUST be included in the codes where shown.