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.

Follow your friend's directions for secret passages.

Complete the first world with 400 points.

When you buy a lot of dragonflies, you will get the ultimate zapping weapon.

Pause game play, then hold then hold L and press Up, Up, Up, Left, Left, Right,
Left, Right.

Pause the game, then hold L and press Up, Down, Up, Left, Right, Down, Up.

Collect 100 fireflies in a single level to unlock a new cheat.

Collect six eggs every round and win the round.