GfK Chart-Track has their accounting of the 20 top-selling, full-priced PC entertainment titles in the U.K. for the week ending May 19th. There's a new sheriff in town, as this week Diablo III usurps the number one position from Football Manager 2012. The action/RPG sequel also makes a strong showing on the all platforms chart, but it landed at number two, as Max Payne 3 debuts there at number one.