Slap every mailbox in the story levels

Beat a level in story mode with under 5 seconds left on the clock

Complete all levels with Gold medals

Complete all Story levels.

Use the Mutilator to surf after a Werebull.

Solve the riddle of the Sphynx.

Kill the kicked enemy while it is still in the air.

Smash 20 Kleers with the Sledgehammer.

Complete 20 story levels with Gold medals

Break 5 Arachnoid necks.

Throw 500 items

Tear off 10 Kleer heads.