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.

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…

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.

The Starfall Islands are home to strange creatures Sonic has never encountered before. Use the all-new battle system and skill tree upgrades to fight strategically, combining moves such as dodges, parries, counters, combos, and the new Cyloop ability to take down mysterious foes and colossal titans.

Become Sonic and journey to uncover the mysteries of the remains of an ancient civilization plagued by robotic hordes. With nothing but a handful of questions and a disembodied voice to guide you, set out to save your friends and the enigmatic inhabitants of the Starfall Islands from a colossal, mechanized threat.