Includes 8 remastered classic Zombies maps from Call of Duty®: World at War, Call of Duty®: Black Ops and Call of Duty®: Black Ops II. Complete maps from the original saga in fully remastered HD playable in Call of Duty®: Black Ops III. Bonus Content: Purchase Zombies Chronicles and get: 20 Vials of Liquid Divinium 2 All-New Whimsical GobbleGums 5 Zombies Pack-A-Punch Weapon Camos Zombies Chronicles includes: 3 Call of Duty®: World at War Maps: Nacht der Untoten, Verruckt, and Shi No Numa 4 Call of Duty®: Black Ops Maps: Kino Der Toten, Ascension, Shangri-la, and Moon Call of Duty®: Black Ops II Map: Origins

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.