Fallout 3 and Fallout: New Vegas are discounted on Amazon US and are just $3.74. These are digital codes for the Xbox 360 games and both games are backwards compatible with Xbox One. Codes will be delivered via email.
To buy Amazon digital games outside of US, all you have to do is add any US address to your amazon.com account, and then after purchase you’ll get games in email and in your Amazon software library.
Also, don’t miss the discounted Xbox Live gift cards on Amazon.