Enter any of the following on the main menu (make sure the arrow is not on start):
"CHEAT MENU"--------Lets you put your live up to 250
"GLAPPKONTAKT"--Cause your opponent's engine to fail
Also try the following:
"ULE"- | "ROXER"
"BITS" | "TOMAS"
"SNIX" | "SHOW LT"
"BARF"