Worlds will collide in Sonic the Hedgehog’s newest adventure.

An experience like never before, accelerate to new heights and experience the thrill of high velocity open-zone freedom. Battle powerful enemies as you speed through the Starfall Islands - landscapes brimming with dense forests, overflowing waterfalls, sizzling deserts and more!

Sonic and his friends have traveled to the mysterious Starfall Islands after learning about Dr. Eggman taking an interest in the islands' ancient civilization. Upon arrival, Sonic is separated from his friends and come face to face with SAGE, an artificial intelligence in charge of protecting Starfall Islands from intruders. Sonic must now find and save his friends while also learning about the secrets of the islands...