Embark on an adventure through the mystical Northstar Islands in this unprecedented reimagining of the classic 2D action-platformer gameplay. Play as Sonic, Tails, Knuckles, and Amy, and harness the new Emerald powers to execute dynamic movements and attacks. Explore the stunning new landscapes in single-player mode or with up to 3 other players and prevent Dr. Eggman, Fang, and a new mysterious adversary from turning the giant animals of the islands into Badniks before it's too late!
 

Highlights

• Classic Reimagined: the 2D action and platforming gameplay of Sonic you already know and love, reimagined with 3D graphics, new powers and abilities, unique levels, and innovative ways to play! A Sonic classic experience like no other!
•  Play with your favorite characters: choose from Sonic, Tails, Knuckles, and Amy, and make the most of each one's unique abilities to cross the Northstar Islands in the fight against Dr. Eggman, who has allied with an old nemesis, Fang, and a new mysterious armored adversary.
•  Harness the power of the Chaos Emeralds: multiply yourself, swim up waterfalls, change shape, and much more with the powers of the Chaos Emeralds.
• More friends, more fun: for the first time in the franchise, play the entire campaign with up to 3 other players in dynamic local co-op.
• Challenge players around the world: compete locally or online with up to 8 players in Battle Mode!