Rogue Legacy, PC – £3.11
Rogue Legacy, PC – £3.11
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.
They seem to be charging more for the Steam version than they are for the DRM free version. Naughty naughty.

Both versions are showing up at $7.50 (£4.60-ish?) for me now, so it looks like they’ve ‘fixed’ the discrepancy.