Well that's kind of weird. Did you see the launch month chart for it?Amazon.com Best Sellers of 2012-12 in Video Games
December 2012^.
17 is missing.
https://www.amazon.com/gp/bestsellers/2012-11/videogames/ref=zg_bs_tab_t_bsar#1
November 2012.
2 of them are missing.