Level select: Press Down, Up, Left, Right,
B, A, B, A at the title screen.
Invincibility: Pause game play, then press Left(2), Up,
Down, Left, Right.
Continue game play: Locate the fifth cave on the first island. Keep jumping
just past the fifth skill to find a secret room. Collect the Hudson
bee logo that is in this room. Hold Left and press Start
at the game over screen to continue game play from the last level
played with all items.
Hint: Area 1-2: Hidden area: Collect the egg with a spade card inside and a violet
object will appear. Use it to step on the lava. Go to the fourth
standing structure, then step on the lava. Face the structure
then press B to find a hidden cave. Go to the hole, press
Up and you will be inside the cave. Collect everything
possible, then go to side where the word "SKIP" appears
to advance to Area 1-A.