Mario Sports Superstars (マリオスポーツスーパースターズ) is a sports video game developed by Camelot Software Planning and published by Nintendo for the Nintendo 3DS. The game includes five sports: soccer, baseball, tennis, golf, and horse racing. Players can choose from Mario and his friends as they compete in a variety of events. The game also features a single-player tournament mode, where players can compete against the computer in all five sports. The game also features local and online multiplayer modes, allowing up to four players to compete against each other. Mario Sports Superstars also features card-based mini-games, which can be played with a special amiibo card. The game also features StreetPass and SpotPass functionality, allowing players to exchange data with each other. Mario Sports Superstars is a fun and exciting sports game that will appeal to fans of all ages.