Use a toilet and achieve the highest mastery level

Kara succeeded to make the cop go away

You defeated 3 enemies in one battle while your buddy was knocked out.

You defeated Princess Kenny and recovered the Stick of Truth.

While inside Mr. Slave, you summoned Mr. Slave.

You've spent $500.

You befriended your father.

You have collected half of the available costume sets.

You defeated the Grand Wizard Cartman in battle.

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

You've farted on animals 25 times.

You collected 15 Chinpokomon.

You completed your first day in South Park.