Enter one of these codes on the title screen to start the level with infinite lifes.

Code	Effect
Level 5	Hold Down + A on controller 2 and press start on controller 1.
Level 6	Hold Down + Left + A on controller 2 and press start on controller 1.
Level 4	Hold Down + Right + A on controller 2 and press start on controller 1.
Level 7	Hold Left + A on controller 2 and press start on controller 1.
Level 3	Hold Right + A on controller 2 and press start on controller 1.
Level 2	Hold Up + Right + A on controller 2 and press start on controller 1.