http://www.videogamer.com/xboxone/d...bility_free_with_dark_souls_3_pre-orders.html
https://store.xbox.com/en-AU/Xbox-O...853-4a59-8453-a5dca4d22b66#gameDetailsSection
https://store.xbox.com/en-AU/Xbox-O...853-4a59-8453-a5dca4d22b66#gameDetailsSection
For a limited time, purchase a digital pre-order of Dark Souls 3 on the Xbox One Store and get the original Dark Souls playable on Xbox One. The code for Dark Souls will be delivered to your Xbox message center in 7-10 days. You can redeem the code on your Xbox One console or at xbox.com/redeemcode.