Graphically, it is a slap. The circuits are beautiful, very well modeled, and for vehicles that are adjustable as in Mario Kart 7 (3DS) where you choose the vehicle, the wheels and the hang glider to fly in the air. The game is perfectly fluid (60 fps in solo and multiplayer where two players play simultaneously) and the gameplay is exemplary. Easy to handle, return of motorcycles is also a great success despite the lack of real gameplay difference between karts, motorcycles and quads. The return of the parts makes us remember the very first album, Super Mario Kart that increase its speed when in collection.
Many characters embellish this jewel, traditional (Mario, Luigi, Peach, Yoshi ...), baby (Baby Mario, Baby Luigi, Baby Harmony ...) and the appearance for the first time in a Mario Kart of Koopalings present in the "Mario and Luigi" series. You can also play with her Mii.
It takes many hours of game to unlock all items. The Trial Watch and online courses allow you to compete against other players still in the fun. New objects are very friendly and do not promote as many players as Mario Kart Wii, this is very significant and allows less get upset when you lose at the finish line!
I recommend it to everyone, fun insured up to 4 players locally and even alone, Mario Kart is great. If you have a Wii U, take it with eyes closed, if you do not have and you hesitate, you will not regret your investment.
The best game of the Wii U so far.