Max out a cannon
Unlock Betty
Unlock Krillstoph
Unlock Finley
Defeat Claws
Lift a curse
Destroy 1000 sea monsters
Defeat Tentacles
Reflect two projectiles at once
Unlock Shelbie
Destroy 100 sea monsters
Unlock Gill
Buy your first upgrade
Complete the Tutorial
Defeat Eye
Defeat Heads
Destroy 10000 sea monsters
Complete a run without taking damage
Unlock Quill
Buy all upgrades
Unlock Lotte
Complete co-op run
Complete solo run
Unlock Cluck