Off in too many directions
On the positive side: There is a lot of diverse types of gameplay and you get ride on a polar bear. Come on, a Polar Bear! Whats not to love about that?
On the negative side: The controls a really REALLY bad and need a lot of work, but that won't improve cause their won't be a sequel right.
Verdict: Since this is based off a movie (and its a kids movie too...) rent it only if you like the movie. Other wise avoid completley