Add all secret shells to your collection.

Discover the polar region.

Release fish from all the hidden pools.

Perform a flip while riding a creature.

Split screen Co-op Ogoun - Get 3 minutes of continuous Co-Op weapon boost

Arcade - Collect 5 shield tokens while already having a shield

Blockade - Survive for 90 seconds without boosting or bombing

Bomber - Get 13 bombs

Impact - Boost continuously for 30 seconds

Arcade - Get 10x multiplier

Arcade - Get 20 bombs

Defeat 9-Torg.

Obtain Knifey.