ioi said: There are massive ads all over this site for the GameStop Game Days sale - check out the featured titles - Disgaea 3, Modern Warfare (PS3 version especially), Assassin's Creed II, COD: Word at War, MGS4, RE: Umbrella Chronicles, Fallout 3, Prototype, GH: Aerosmith, Bayonetta, Dissidia, Blazblue etc etc.
Also, Sony have put out a number of new Greatest Hits titles which have seen large jumps this week.
http://www.vgchartz.com/forum/post.php?post=3334551&page=5&postnum=4
So thats why...







