Dance! Dance! Dance! Game System: Sony Playstation Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   DANCE! DANCE! DANCE! ==================== PLAY AS YUMI: You need the audio CD "The Twister" by Viper for this trick. Replace the game disc with the CD after the game starts. Then, Yumi will be available.