Destroy 50 enemies.
Destroy 150 enemies.
Destroy 300 enemies.
Destroy 500 enemies.
Collect 1 item.
Collect 10 items.
Collect 20 items.
Collect 50 items.
Complete level 1.
Complete level 2.
Complete level 3.
Complete level 4.
Complete level 5.
Complete level 6.
Complete the story mode.
Collect 60 items.
Collect 70 items.
Collect 80 items.
Collect 90 items.
Collect 100 items.