This game is also available on PC.
Up, Right, Down, Left, Up, Right, Down, Left.
Go back to Options and set difficulty to Pro and presenter to Riders choice, then Exit. Go to Main Menu and press:
Up, Left, Down, Right, Up, Left, Down, Right.
If you did it correctly you'll hear a cash register.
Right, Up, Circle, L2, Triangle, Circle, R1, R2.
Triangle, Circle, Right, R2, Up, Square, Up, Triangle.
Square, L1, Triangle, Right, L1, Down, R2, Triangle.
Up, R2, R1, Right, L1, Square, Right, Right.