The song list for this game is OK, has a great range from classic, old and hot songs. The choreographs are pretty great, unique but at the same time forgettable. But the biggest problem was the online modes; Just Dance Unlimited, World Dance Floor, etc.
Just Dance Unlimited doesn't work at all, I have paid for a one year subscription twice (money reduced) and when I loaded the game, nothing happened saying that I haven't paid anything. And the World Dance Floor crashes a lot, pretty much to the point that it's not playable. And a thing that relates to JDU is the fact that all Mash-Ups are JDU exclusives! Bullshit.