Collected all 5 stars in a stage
Unlocked all boats
Sank 100 boats
Sank 8 enemies consecutively in under 25 seconds by ramming them
Reached max combo level 5 times
Smashed 40 enemies by dive bombing
Collected all available stars in a pool
Collected all stars in eight maydays
Evaded 50 enemies by submerging
Completed the shower pool
