To use these codes you must have the new multiplayer version of the
 game. 
 
 At the menu:
 FEZME           Race as Fez Boy
 LEVELME         Access all levels
 ROCKETME        Access new rockets
 
 During gameplay type these codes in to get that powerup:
 
 ANCHORME        Anchor
 CLAWME          Claw
 COOLME          Coolant
 PROBEME         Probe