Level select
Press the following controller actions at the title screen to begin at the corresponding level.
Level 2
Press [A], [Up], [Down], [Left], [Right]x2, [Left], [Down], [Up], [Start].
Level 3
Press [A]x2, [Up], [Down], [Left], [Right]x2, [Left], [Down], [Up], [Start].
Level 4
Press [A]x3, [Up], [Down], [Left], [Right]x2, [Left], [Down], [Up], [Start].
Level 5
Press [A]x4, [Up], [Down], [Left], [Right]x2, [Left], [Down], [Up], [Start].
Extra lives
Enable the "Level select" code and get a continue. Highlight the "Option" selection, hold [A] + [B] + [C], and press [Start]. The image of a panda will appear on the "Player" selection to confirm correct code entry.
Avoid enemy fire
Begin game play under the hard difficulty level. Stay in the upper left or upper right corners and continuously fire your weapon in levels 1 through 3.