Zapper

Hint: Win the round:
Collect six eggs every round and win the round.

Hint: Unlocking cheats:
Collect all 400 fireflies in every level.

Cheats:
Collect all 400 fireflies in a level to unlock the corresponding cheat.

Level 1: Insect Eye . Changes your vision.
Level 2: Screen Switch. Reverses level.
Level 3. Auto-Hop. Hold D-pad to keep Zapper moving.
Level 4: Infinite Super Zap. Zapper always has a Super Zap.

Hint: Finding secret passages:
Follow your friend's directions for secret passages.

Hint: Flying:
Win the first world with 400 points and you will get to fly.

Hint: Power Dash:
Win the second world with 400 points for the Power Dash move.