Press [Enter] during game play, then type one of the following codes to activate the corresponding cheat function.
-EMBIGGENME God mode
-CRAZYGUY All spells and mana
-WHOAH Flight mode 
-UBERLOAD Random level jump
-SHOWFPS Show framerate
-CALCFPS Calculate framerate
-DEBUG Show debug information
-BOUNDINGBOX Draw bounding boxes around objects
-3DNOW! AMD's 3DNow! support on/off
-CSWIRE Landscape on/off
. Press the Left Mouse Button to fly faster or the Right
Mouse Button to fly slower.
The minus (-) sign MUST be included in the codes where shown.