A BRAND NEW CLASSIC SONIC EXPERIENCE 2D Sonic is back in an all-new adventure! Play as Sonic, Tails, & Knuckles as you race through all-new Zones and fully re-imagined classics, each filled with exciting surprises and powerful bosses. Harness Sonic's new Drop Dash, Tails' flight, and Knuckles' climbing abilities to overcome the evil Dr. Eggman's robots. Discover a myriad of never-before-seen hidden paths and secrets! This all-new experience celebrates the best of Classic Sonic, pushing the envelope forward with stunning 60 FPS gameplay and pixel-perfect physics. Welcome to the next level for the world's fastest blue hedgehog. Welcome to Sonic Mania.

Go to https://www.xbox.com Login to your account Hover over your account link (the top right of the screen) a menu will appear, click on the "Redeem Code" button. On the next page, click "Redeem" Enter your code Click "Confirm" Click "Confirm" again to assign the key to your account.