The GFK Chart-Track offers the 20 top-selling full-price PC games in the U.K. for the week ending April 16th. This week Football Manager 2011 returns to the number one spot, on a fairly stable list where the big mover for the week is Bulletstorm, which jumped from number 20 to number 13. MCV has the all-platform charts, where Zumba Fitness holds the top spot.