Unlock a new bird type
Episode 1: Get three stars in all levels
Episode 2: Get three stars in all levels
Episode 3: Get three stars in all levels
Smash 250 000 blocks
Smash 5000 wooden blocks
Smash 5000 stone blocks
Smash 5000 ice blocks
Smash 1000 pigs
Smash 50 000 blocks
Finish World 1
Find 10 golden eggs
Finish Episode 1
Finish Episode 2
Finish Episode 3