NPD Group have released the sales chart for video games in North America sold in August 2012. GamesIndustry International uploaded this chart, which can be seen below. It reveals that Kingdom Hearts 3D [Dream Drop Distance] was the 3rd top-selling game of the month!

Nintendo Everything were able to get a response from Nintendo about the report, who revealed that Kingdom Hearts 3D sold over 180,000 copies in August 2012, in North America. Please note that this value does NOT include pre-orders, copies sold on July 31, or the Mark of Mastery Edition. (Which means the real will be higher!) Unlike the VGChartz estimates which we've seen before, this data is actually 100% accurate.