While Sadapoika is right that NHL shifted from being more popular on Xbox, to now being more popular on the PS, you should take the numbers posted with a grain of salt. As always you see numbers that are taken from VGchartz. A shit website that only estimate sales. Back in 2010-12 EA at least released the official launch numbers for the NHL series, but guess what? The numbers of VGchartz don't even match the official week 1 sales. Can't blame them, though. Why would they take the time to look up officially released sales figures of the obscure and niche games of the NHL series. Still, it's an unreliable website that you shouldn't take serious.