USA Week December 5th.

[Nuvendil]

Sh1nn said:
"The first one sold much more in the US than in Japan."

And how do you know this exactly ?

It never cracked TOP 10 in NPD and was a retailer exclusive.

Imho Xenoblade is hugely overtracked

Dude, it never cracked NPD because they excluded it due to its retailer exclusivity.

http://www.eurogamer.net/articles/2012-05-10-prototype-2-pips-kinect-star-wars-to-top-of-april-us-chart

However, the game sold out in the US.  So the current tracking isn't hard to believe, that's not a massive number.