Complete all levels in The Metropolis

Collect 25% of the prize bubbles on the story levels

Be among the first 10 people to complete a community level

Max out the Unholy path

Complete all levels in The Wedding

Complete a level with more than one player

Defeat Tezzeret in the final single-player campaign battle

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

Complete any one stunt from the stunt list.

Good guys stand up and take the heat.

Place a sticker

Win a Two-Headed Giant game

Increase your life total to 30 or more in single player, or 60 or more in Two-Headed Giant