All Tracks
     At the Main Menu, press Up, Up, Left, Down, Left, Right, Right.

All Cars
     At the Main Menu, press Up, Down, Right, Right, Left, Up, Up,
Down.

Story Mode
     At the Main Menu, press Down, Left, Up, Right, Right, Up, Down.

Arcade Championships
     At the Main Menu, press Right, Left, Up, Right, Down, Down, Left,
Left.

Multiplayer Championships
     At  the Main Menu, press Left, DOwn, Left, Up, Right, Left, Down,
Right.