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.

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