(adsbygoogle = window.adsbygoogle || []).push({}); so I'm just wondering what exactly a .pkg file is. I was asking a friend on PSN and he said you need it to do a challenge lobby, but i dont know. Anyone care to explain to me what exactly this is?

a .Pkg is a Package File contains the the patch data of the game for example the when there is an update your Ps3 Download the .Pkg file cause it has the new patch for it to work with
or simply it is just an update file