You defeated Princess Kenny and recovered the Stick of Truth.

You shat your pants during a boss battle.

You made friends with half of South Park.

You defeated the Grand Wizard Cartman in battle.

You sold 300 junk items.

You completed your first day in South Park.

You knocked out 3 or more enemies with a single fart outside of battle.

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

You flung a turd of your own creation at an enemy.

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

You collected 5 Chinpokomon.

Complete the Campaign on any difficulty

Kill the Khan Maykr