Note:  Enter  the following codes at the main menu. You will hear
an engine noise if you entered the code correctly.

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

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,
Left.

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

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