Update: If you’re playing on PSP/Vita, you’re better off getting this, which includes an enhanced version of SOTN.0
Dark Souls 2, PS3 – £3.43
To purchase digital goods from Amazon US, you will need to create a separate US account, and add a US billing address to your account. This address needs to be a valid US address, but nothing will be sent there, and you can access all your games through their website. Some card issuers may charge a fee.
You’ll need to register it on a US PSN account.0