Let's Play Crazy Tennis!Balls teleport, multiply and explode, power-ups are thrown cross-court and characters unleash their amazing superstar skills.This Is Tennis With A Twist:Join Sonic and his 15 friends on a trip to Planet Superstars, where the whole world is tennis crazy!Play Ball In 10 Whacky Locations:From an alien-filled spaceport to a zombiefied graveyard.Party Game Madness!Shooting dragons! Potting monkeyballs! Smashing zombies! And more in 8 wild party games.