MySims vs. Mario Kart Racing!! is a game for the Wii and Nintendo DS. It is a crossover game between Mario Kart and MySims Racing. There are 10 profiles you can create, and there is only allowed one created MySim for each file. It features multiplayer, which you can play up to 4 people, and Nintendo WFC, which you can race against other players from around the world, and other 1-player features. You can choose if you want the appearence of the characters to be MySims, Mario-styled or regular. The game is in production by Nintendo (inside Canada), EA (out of Canada), and EA Redwood Shores (inside California).