Just Dance 3 with Katy Perry Bonus Tracks - Xbox 360 Top of the Charts - Over 40 all-new tracks, ranging from Billboard/top-charted hits to classic dance party tracks! Dynamic Environments - Watch the background change as you perform progressive moves. Just Sweat It Out - The popular Just Sweat mode gets an upgrade with more workout plans and playlists. Just Dance - Just Dance 3 still has everyone's favorite modes like Classic Mode, Duet Mode, Medley, Simon Says, and more. Kinect Required