READY, SET, RUMBLE! Join Sonic in the ultimate arcade royale where up to 32 players battle for glory in this free-to-play cross-platform game! It's not just a race, it's a Rumble! EPIC SONIC ACTION Dash, spin, and speed through iconic stages, while mastering skills in the chaos of Dr.Eggman’s Toy World. From Green Hill Zone to Sky Sanctuary, experience the distinctive, high-speed Sonic gameplay in familiar and all-new levels! MAYHEM IS BEST WITH FRIENDS Connect, compete, and play together! Squad up with friends and family in chaotic survival battles. Who will be the world’s top Rumbler? TRIUMPH IN THE TOY WORLD Dr. Eggman has constructed a diabolical Toy World, complete with twisted obstacle courses and intense arenas. Master all of the exciting stages and game modes, from frantic races to epic survival battles. Emerge triumphant, claim your crown and win amazing rewards! A LEGENDARY LINEUP Play as Sonic, Tails, Knuckles, Amy, Shadow, Dr. Eggman, and other Sonic-seri...