Complete your first Costume.

In multiplayer, complete a Teamwork Level.

Get a golden level badge by completing all the Level Goals for a single level.

In multiplayer, snatch an item from the clutches of another player.

In multiplayer, start a dance party with your friends.

Simultaneously slap each other.

Pushed back the Uproar for the first time.

Achieve ending A.

Complete the abandoned factory.

Complete the flooded city.

Complete the forest castle.

Complete the amusement park ruins.