Bonus levels (Buster Buddies):
Press X on controllers one and two when selecting a normal
game. Ten extra stages will be available for game play.
Level select (Super Buster Brothers and Buster Buddies):
Press Down + X when selecting a normal game.
Infinite Lives (Buddies) 801712260202
Infinite Lives (Buster) 800c59400003
Infinite Lives (Super Buster) 800a4a100003
Thanks to Revolution reader Dino!