SEGA mixes up the Mario Tennis and Super Smash Bros. ideas...

SEGA have announced a new multiplatform game - SEGA Superstars Tennis.

Featuring characters and courts from popular SEGA franchises such as Sonic the Hedgehog, Super Monkey Ball, Space Channel 5, Samba De Amigo and more, SEGA Superstars Tennis will let you play your way through exhibition and tournament modes.

All the characters (which include Sonic, AiAi, Ulala, Amigo, Blaze and Knuckles) will have unique attributes and their own superstar tennis skills to add something new to the game of Tennis.

SEGA Superstars Tennis is due for launch iin Early 2008 on the Wii, DS, PlayStation 3, Xbox 360 and PlayStation 2.