Collect all ten track coins in season mode to unlock stunt mode.
If you finish first at the Professional difficulty level, you can then race as a granny.
Race at High Speed
During the game press L1, Right, R1, Down, Square, L1, Triangle, R1, Down, L1, Left and Select.
During the game press Circle, L1, Triangle, L1, X, Triangle, R1, and Up.
01/16/00 Brian C.