SEGA Superstars Tennis includes over 15 playable SEGA characters – like Sonic The Hedgehog, AiAi from Super Monkey Ball fame, Ulala of Space Channel 5 and Amigo from Samba De Amigo, each of whom have their own unique attributes, and superstar tennis skills. The game&;apos;s arcade style matches are played out on courts based on environments from Sega games of the past such as the lush tropics of Sonic&;apos;s Green Hill Zone or the street fair fiesta of Amigo&;apos;s Carnival Park to name a few. In addition, there are a host of cameos and other surprises for fans of Sega games