Level select:
Lose all lives to display the continue screen with the "yes" and "no" choices to play again. At this screen, hold Left until the pointer is at the top left and press Button 2 four times, hold Right and press Button 2 three times, then hold Left and press Button 1 once. Move completely to either side of the screen before pressing either button. A screen that allows any level from 1 to 13 to be played will appear.