A játék voltaképp egy Mario Kart "klón",amely a Nintendo vicces versenyjátékának közvetlen ellenfele.
A Sonic & SEGA All-stars Racing szereplői:
Sonic the Hedgehog (Sonic the Hedgehog)
Miles "Tails" Prower (Sonic the Hedgehog 2)
Doctor Eggman (Sonic the Hedgehog)
Amy Rose (Sonic CD)
Shadow the Hedgehog (Sonic Adventure 2)
AiAi (Super Monkey Ball)
Amigo (Samba de Amigo)
Billy Hatcher (Billy Hatcher and the Giant Egg)
Knuckles the Echidna (Sonic the Hedgehog 3)
Big the Cat (Sonic Adventure)
Beat (Jet Set Radio)
Ulala (Space Channel 5)
B.D. Joe (Crazy Taxi)
Zobio and Zobiko (The House of the Dead: EX)
Ryo Hazuki (Shenmue)
Jacky Bryant and Akira Yuki (Virtua Fighter)
Robo and Mobo (Bonanza Bros.)
Chuih, ChuBei, ChuPea and ChuBach (ChuChu Rocket!)
Opa-Opa (Fantasy Zone)
Alex Kidd (Alex Kidd in Miracle World)
Banjo and Kazooie (Banjo-Kazooie)
Avatar (The New Xbox Experience)
Mii (Wii)
Ez utolsó kettő a saját avatarunk illetve Mii-nk Xbox 360-on illetve Wii-n.
