Enter one of the following passwords to unlock all levels at the corresponding difficulty setting. This will also unlock Tito's Surf Contest.

Easy: First Officer, Lars' red-haired friend, Ray, Sam's mom
Medium: First Officer, Lars' red-haired friend, Man with brown hair and glasses, Sam's mom
Hard: First Officer, Lars' red-haired friend, Lar's brown-haired friend, Sam's mom

Note: You must have a 2.1 or higher version of the Game Shark to use these codes in a Game Boy Color system.