During today’s surprise Nintendo Direct presentation that company announced a lucrative offer for Wii U owners. Purchase Mario Kart 8 at retail or on the eShop and you’re then eligible to receive a free Wii U game. All you need to do is register the game with Club Nintendo before July 31st. You can get one of the following well-received Wii U games: New Super Mario Bros. U, Pikmin 3, The Legend of Zelda: The Wind Waker HD or Wii Party U. The deal is available for North America and Europe.