Mario Kart 8 - Wii U [Digital Code] Race along walls and upside-down on twisting anti-gravity racetracks! Share highlight videos of your greatest moments with friends via the Mario Kart TV feature and Miiverse. Race and battle with friends locally or connect online to play with random players from around the world. Fan favorite features from past Mario Kart games include gliders, underwater racing, motorbikes, mid-air tricks, and more. Crisp HD graphics and fluid animation offers players the most visually stunning Mario Kart yet!