In the aftermath of his latest battle with Dr. Eggman, rogue robots are on the loose, and new foes are on the rise. But where is the evil doctor, and what secrets will Sonic discover during his search? One thing's for sure: he'll need plenty of help from Tails, Knuckles, Amy, and new allies Tangle the Lemur and Whisper the Wolf. Plus, he'll have to deal with a little competition–from his old frenemy Shadow the Hedgehog! It's an epic adventure Sonic fans can't miss, so don't get left in the dust. Gotta go fast!
