Navigate gorgeous, never-before-seen environments solo or with up to three other players and stop Dr. Eggman, Fang, and a mysterious new adversary from converting the islands’ giant animals into Badniks before it’s too late!

• A New Spin on a Classic – The 2D Sonic high-speed sidescrolling action platforming you know and love, reimagined with fully 3D graphics, new powers and abilities, an all-new setting, and new ways to play! You’ve never played classic Sonic like this before!
• Play as Your Favorite Characters – Choose from Sonic, Tails, Knuckles, and Amy Rose and take advantage of their unique abilities to blaze a path across the Northstar Islands as they race to defeat Dr. Eggman, who has teamed up with an old nemesis, Fang
• Harness the Power of the Chaos Emeralds – Multiply, swim up waterfalls, change form, and more with the powers of the Chaos Emeralds
• More Friends, More Fun – For the first time ever in a Sonic game, play through the entire campaign with up to 3 other players with drop-in and drop-out four-player local cooperative play