All Codes have to be entered at the main menu. The correct code entry will be
confirmed by the sound of an engine.

All cars:
Press UP, DOWN, RIGHT, RIGHT, LEFT, UP, UP, DOWN

All tracks:
Press UP, UP, LEFT, DOWN, LEFT, RIGHT, RIGHT, UP

Story mode:
Press DOWN, LEFT, UP, RIGHT, RIGHT, UP, DOWN, LEFT

Arcade championships:
Press RIGHT, LEFT, UP, RIGHT, DOWN, DOWN, LEFT, LEFT

Multi-player championships:
Press LEFT, DOWN, LEFT, UP, RIGHT, LEFT, DOWN, RIGHT