Actually, I'd guess this is based on Activision's own internal sales tracking, not just their shipments.
Here's the actual press release, since GI.biz guy can't figure out US vs. NA. It's NA, and its the "first seven days since its launch."
http://investor.activision.com/releasedetail.cfm?ReleaseID=319484
So depending what day the game launched and what days VGC covered, maybe its not bad for VGC.
"[Our former customers] are unable to find software which they WANT to play."
"The way to solve this problem lies in how to communicate what kind of games [they CAN play]."
Satoru Iwata, Nintendo President. Only slightly paraphrased.







