Unlimited lives
Hold [L] + [R] and press [Y]x3, [X] during game play.
99 lives
Hold [L] + [R] and press [A]x3, [Y], [X], [Y], [B], [A] during game play.
Extra life
Hold [L] + [R] and press [A]x3, [Y], [X], [Y] during game play.
Full health
Hold [L] + [R] and press [A]x3, [Y] during game play.
All gadgets
Hold [L] + [R] and press [Y]x2, [X], [B], [A], [Y]x2, [A] during game play.
All costumes
Hold [L] + [R] and press [B], [A], [X], [Y], [A], [B] during game play.
9,999 credits
Hold [L] + [R] and press [Y]x2, [X], [B], [A], [Y] during game play.
Invincibility
Hold [L] + [R] and press [Y]x3, [X], [A], [B] during game play.
Level select
Hold [L] + [R] and press [X], [Y], [X], [A], [X], [B] during game play.