The Wii version of the game is developed by Beenox and features up to 4 players in a split-screen offline multiplayer. Online mode supports up to 4 players across 4 modes: Conflict, Rush, Team Conflict, and Team Rush. These have different ratings for each individual mode based on Mario Kart Wii's rating system. The Wii version also uses Friend Codes, which allow players to create games just for themselves and friends. The online mode also uses Miis in a manner similar to Mario Kart Wii.