Find 10 costume pieces

You've spent $500.

You completed the game without selling any items.

You have collected half of the available costume sets.

You've farted on people 100 times.

You opened all of the garages in South Park.

You defeated the Meth Tweekers while wearing the Evil Cartman goatee and bald cap.

You befriended both crab people and gnomes.

You defeated Princess Kenny and recovered the Stick of Truth.

You made friends with half of South Park.

You farted on 10 enemies in the world that were knocked out.

You collected 15 Chinpokomon.

You've unlocked all of the upgrades for a New Kid ability.