Worlds are colliding in Sonic the Hedgehog's newest high-speed adventure! In search of the missing Chaos emeralds, Sonic becomes stranded on an ancient island teeming with unusual creatures. Battle hordes of powerful enemies as you explore a breathtaking world of action, adventure, and mystery. Accelerate to new heights and experience the thrill of high-velocity, open-zone platforming freedom as you race across the five massive Starfall Islands.

Experience all-new open zone platforming race across five massive overworld islands brimming with dense forests, overflowing waterfalls, and sizzling desert landscapes, each with their own unique action-platforming challenges and hidden secrets to uncover.

Unparalleled high-speed freedom adventure across the Starfall Islands and see what each has to offer at the speed that only Sonic can deliver. Blaze a trail as you see fit and discover side quests, solve puzzles, scale enormous structures, go fishing, and encounter a friendly face or two along the way.

Challenge yourself in Cyber Space. Discover portals scattered across the island and venture into Cyber Space levels through portals scattered across the islands featuring signature 3D platforming at Sonic speeds, packed with challenges to put your skills to the test.