Level select
Press [Up]x2, [Down]x2, [Left], [Right],
[Left], [Right], [Select], [Start] at the
title screen, after the text "Push Start Button" flashes.
Press [Left] or [Right] to select a level and [Start]
to begin game play.
Moon level
Press [Up]x2, [Down]x2, [Left], [Right],
[Left], [Right], [B], [A], [Start] at
the title screen.