Sonic & Sega All-Stars Racing: Ultimate World Grand Prix!!

Sonic & Sega All-Stars Racing: Ultimate World Grand Prix is a upcoming game of the Sega Superstars series. This also features the return of bikes and introducing anti-gravity.

Characters
There is a total of 100 playable characters. Players start with twelve characters (Sonic, Amy, Tails, Knuckles, Shadow, Dr. Eggman, Aiai, Amigo, Billy Hatcher, Beat, Ryo Hazuki and MeeMee) and the other characters are unlocked by winning enough stars in the missions in world tour. Racers include:
 * Sonic the Hedgehog - Speed Star
 * Amy Rose - Cabriolet Bike
 * Miles "Tails" Prower - Whirlwind S7