To activate cheat codes, first type YOYOYO during gameplay, then enter the following codes:
ORUFO: Invincibility
in bonus rooms
AOFREOIO: Open all bonus doors
EATEE: Morphing disabled
EHRTRR: Auto fly in bonus rooms
NHAENRH1: Unlimited ammo for player 1
NHAENRH2: Unlimited ammo for player 2
ERHYHRLY: Toadman weaker
OFOVH: Double the time in rooms
OIVNNFOF: Keeps tadpoles from attacking in lab
OAOAEIOA: Auto-fly mode in lab
ITIHFO: Best 2 out of 3; using this code will turn your bouts from the
regular format
to a best-two-out-of-three
fight
ERHNE: Different opponents; if you turn on this cheat code before you go to war,
instead of fighting the same battle beast six times, you play a different battle beast at each room