Enter the Options screen and select "Arcade Mode". Now hold Left, B, and
Start simultaneously. A number will appear in the Upper Left-hand corner
of the screen. Press Up and Down to choose your Starting level.
Enter the Options screen and select "Arcade Mode." Hold Down and Left on
the controller. The characters should spin continuously. As you do this,
press A and C. Now let all the buttons go and press Start. You should have
nine continues.