Experience the ultimate celebration of past and future in Sonic Mania, an all-new 2D Sonic adventure running at a crisp 60FPS with stunning HD retro-style graphics. Multiple playable characters give you the ability to go explosively fast as Sonic, soar as Tails, or power through tough obstacles with Knuckles’ brute strength. You can re-live the Sonic of the past with an exciting new twist on classic zones while fighting against new bosses and Dr. Eggman’s evil robot army. Go head-to-head with players in Competition Mode or play in Co-Op Mode with a friend.

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.