Mario Kart 7 (U) (マリオカート7) is a racing game developed and published by Nintendo for the Nintendo 3DS system. It is the seventh installment in the Mario Kart series and the third for the 3DS. The game features a variety of characters from the Mario series, including Mario, Luigi, Peach, Yoshi, and Wario, as well as some newcomers, such as Shy Guy and Lakitu. Players race against each other on tracks from previous Mario Kart games, as well as some new courses. The game also features a variety of items to help the players get ahead, such as the classic Mushroom and the new glider. Players can also customize their karts with parts from different manufacturers, giving them an edge over their opponents. Players can also race against each other online or in local multiplayer. Mario Kart 7 is an exciting and fast-paced game that will keep players entertained for hours.