Actually, they do get their numbers from up their asses. All data, is an estimate. And VGChartz has only 2-3% of the North American market as a sample

"One of the most unexpected results in the recent NPD charts for May was the appearance of the poorly reviewed Iron Man game for PlayStation 2 in the Top 10 of the charts, with 130,000 copies sold.

Thinking about it carefully, with the movie rocketing to unexpected success during the month, it would make sense that the game would sell well. But it's not the kind of game that you're likely to estimate in the Top 10 - and indeed VGChartz did not, estimating 53,000 units in sales, according to VGChartz staffers.

But what's surprising is that Iron Man for PlayStation 2 has been adjusted in its official VGChartz page so that its first four weeks of sales (encompassing May) add up to 111,000 units. "

http://www.gamesetwatch.com/2008/06/analysis_what_vgchartz_does_and.php#more

So, guess what? You made a total, utter, complete fool of yourself. Congratulations. Next time I kill a enemy in DayZ, I'll happily laugh at you.

@Imperiacommando Another one that think vgcharts is accurate

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