Sega Superstars Tennis - Xbox 360 Fun-filled tennis party guaranteed to be a smashing good time for the whole family Hilarious cameos and comical guest umpires from SEGAs rich gaming history 16 characters with superstar alter-egos that give them the winning edge on the court 10 fantastical-themed courts; 4 action-packed tournaments with unlockable bonus content Up to 4 friends can challenge each other in tournaments, exhibitions, and special events Fun-filled tennis party guaranteed to be a smashing good time for the whole family Hilarious cameos and comical guest umpires from SEGAs rich gaming history 16 characters with superstar alter-egos that give them the winning edge on the court 10 fantastical-themed courts; 4 action-packed tournaments with unlockable bonus content Up to 4 friends can challenge each other in tournaments, exhibitions, and special events