Game Description:What do Sonic, AiAi, Ulala, and Amigo all do when they need to relax? They prove their incredible tennis skills to each other in no-holds-barred, explosive tennis matches on courts in their hometowns! Over 15 different playable SEGA characters will walk onto unusual courts and outrageous settings, including Sonic's Green Hill Zone or Amigo's Carnival Park. Every character offers their own set of unique skills and amazing superstar powers. Several cameos and other surprises for SEGA fans await those playing, so be sure to keep your eyes peeled. The intuitive, arcade style of play makes sure anyone and everyone can pick up and play -Â but the depth will keep pros coming back for more!