All mini-games:
At the Start screen, select the Daffy Duck icon and enter ?BN as a code.
Two player Boss games:
At the Start screen, select the Big Red icon and enter *JC as a code.
Level Select:
At the Start screen, select the Marvin Martian icon and enter #OP as a code.
No whack in boxes:
At the Start screen, select the Taz icon, enter and enter !WB as a code.
Art Gallery:
At the Start screen, select the Tweety icon and enter .RT as a code.
