Complete 10 levels.
Complete the first level.
Complete Jump Island.
Complete Balloon Island.
Complete the game.
Complete Teleport Island.
Get 3 stars on a level.
Get 3 stars on 10 levels.
Collect a duckling.
Get 3 stars on all levels.
Collect 10 ducklings.
Collect all ducklings.
Buy 10 hats.
Buy a hat.
Buy all the hats.