Mario Kart 7 is a racing video game developed by Nintendo for the Nintendo 3DS. It is part of the main Mario Kart series and features familiar characters, power-ups, and kart racing on colorful tracks. The game introduced new mechanics such as gliding with hang gliders and underwater driving, along with kart customization. Players can compete in Grand Prix, Time Trials, and online multiplayer. It was designed as a portable entry that expanded the series' core gameplay with 3D visuals and new track designs.