Sonic and friends are back with an all-new look! Join Sonic, Tails, Knuckles, and Amy Rose on an adventure that takes "classic" to another level. Team up with friends, master new powers from the Chaos Emeralds, and speed through all brand-new zones on your way to take down Dr. Eggman (and co)! Adventure through the mystical Northstar Islands in this all-new take on classic 2D Sonic high-speed action platforming. Play as Sonic, Tails, Knuckles, and Amy Rose and harness all-new Emerald powers to move and attack in dynamic new ways. Navigate gorgeous, never-before-seen environments solo or with up to 3 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!