Released Histoire's seal.

Neptune returns to the party.

Connected Combos using Combo Link.

You completed the game and never ended a battle with your buddy knocked out.

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

You accepted your fate and chose the name Douchebag yourself.

You defeated Princess Kenny in your girl makeover disguise.

Everyone in South Park is your friend.

You've farted on every buddy in the game.

You farted on four major authority figures.

You've collected all of the available costumes.

You collected all of the Chinpokomon.

You've spent $500.