Don't use the speed up against a boss.

Smash 10 or more gems in a row.

Clear a level in 20 seconds or less.

Smash 5 gems in a row.

Smash the first gem.

Complete a four-player multiplayer game with all human players

Complete all the single player campaigns

Win a game by landing on the roof of a building

Strike a flaming object into another character

Win a game without losing any health

Do a slide trick

Hit an opponent with a ground pround attack

Do a special move attack