Press X, Circle, X, Square, X, Square, L, Circle, R, Circle, Start at the title screen. A cheat menu with mission/area, sound test, and invincibility options will appear.

At title screen, while holding up, square and circle, press start to access Wild Thing motorcycle.

Press Square at the main menu, then enter BQQQAEZ as a password to start with ten lives.

When at the main menu press square to get to the password screen and enter the following:

Enter the number password to unlock the following levels.. Note: Change the second number in any password to 9 for several remotes and other bonuses.