Cheat mode:
Click on the newspaper ad for a Battle Beast. Type in yoyoyo when the options for the number of players appears to enable cheat mode. Then, type one of the following codes on the same screen to activate the corresponding cheat function.

Effect	Code
Fight all opponents	erhne
Enables Tadpole attacks in lab	oivnnfof
Open bonus doors	aofreoio
Bonus room auto-fly	ehrtrr
Bonus room 2x limit	ofovh
Bonus room invincibility	orufo
Weaken Toadman	erhyhrly
Disables Morphing	eatee
Enables Auto-fly in lab	oaoaeioa
2 out of 3 bouts	itihfo
Reset all codes	reset