Collect 25% of the prize bubbles on the story levels

Place a sticker or a decoration on another player's sackperson

Spend 8 seconds or more in the air

Complete all levels in The Savannah

Complete a level with more than one player

Place a sticker

Choose a costume for your sackperson with at least one item on your head, at least one item on your body, and a material

Repair temporal damage caused by Dr. Nefarious.

Complete Great Clock, Sector One.

Defeat the Hypersonic Brainwave Scrambler

Collect 50,000 bolts.