You have collected half of the available costume sets.

You've farted on every buddy in the game.

You befriended your father.

You defeated the Grand Wizard Cartman in battle.

You befriended the Goths, like everyone else playing this game.

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

Over the course of the game, you've blocked 100 attacks.

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

You successfully blocked every enemy attack in a single (non-tutorial) battle.

Completed Episode 2: "A House Divided"

Made it to the ski lodge.

Found a way across the water.

Talked to a stranger.