XCOM: Enemy Within, PC/Mac – £5.88
XCOM: Enemy Within, PC/Mac – £5.88
To purchase digital games from Amazon US, use your UK Amazon 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.
Registers on Steam.

“Steam key only valid in North America.” !!!
The key won’t work on UK Steam accounts!
Yeah, I tried to work out if they all just say this, or if it’s true. I couldn’t work it out. Plenty of people say it’s fine, plenty say it doesn’t work. Shame. Otherwise it’s a good deal.