Players can compete in local wireless matches or online over a broadband Internet connection. The game supports both SpotPass and StreetPass features. People can choose to race as one of their favorite Mushroom Kingdom characters. 

• Players can compete in local wireless matches or online over a broadband Internet connection.
  
• Players can show their own style by customizing their vehicles with accessories that give them a competitive advantage. For instance, giant tires help a kart drive off-road, while smaller tires work best on city courses.
• People can choose to race as one of their favorite Mushroom Kingdom characters or even as their Mii character.