> Pause during a game, then push X+Y+Z to make the pause indicator disappear.

> At the Main menu highlight "Arcade" and hold X+Y+Z.  When you enter the Arcade mode you'll see the title of the songs at the bottom of the Track Select screen.

> At the Select Transmission screen, press Up, Up, Down, Down, Left, Right, Z+Y.  Now everybody will be racing on sheep.

> At the Mode Select screen, press L+R+X+Y+Z (note: the timing is imperitive so press them simultaneously).  Now you'll be on a super fast bike. The hard way: place first on each track in Challenge Mode. You'll then be able to access three new Super Bikes.

> At the Arcade Select Transmission screen, press L, L, R, R, Left, Right, Left, Z, Y+Z , then wait for the time to run out.  Now your racer should have the Tantalus logo on his back.