Unlock Boss Songs
Pluto White Wall - Complete the mission diagonally bottom left of the final mission.
Dead End (Groove radar special) - Complete the mission diagonally bottom right of the final mission.
Kimono Princess - Complete the mission diagonally top left of the final mission.
Roppongi Evolved - Complete the final mission of Dice Master mode (Center platform with pictured dance pad).
Unlock Free Mission Mode
Achieve 100% completion in Dice Master Mode.