Just Dance 3 [Nintendo Wii] Region of Operation - North America Only Top of the Chart Hits - Over 40 all-new tracks, featuring a variety of musical genres that will appeal to everyone. New Modes to Extend Game-play - Dance Crew Mode, Smart Shuffle, Flash Mob Mode and Dance Mash-up. Shake Your World - Interact with the in-game environment, be a part of the action, and watch the game respond to YOU as you dance. Just Sweat More - A more advanced training program with calculated Cardio Training An expanding list of down-loadable tracks will be available at launch to fuel every player's dance frenzy