Obtain Sweezy.

Take Knifey's advice and stab Gene in the gut.

Juggle an enemy in the air with at least 5 shots.

Kill Slumsley.

Caught a fish with Mjolnir.

Captured all of the Sea People murals.

Collected all the blueprints.

Raised 5 GYAO!s.

Defeated all bosses.

Caught 10 fish with a Sniper Rifle.

Mima's restaurant opened.

Watched the ending credits.