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

Hint: Unlocking cheats:
Collect all 100 fireflies in every level.

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

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.