Pokemon Sun and Moon are the fastest Nintendo games in the company's history to sell more than 4 million copies in the United States.

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According to a statement from Nintendo, Pokemon Sun and Pokemon Moon Combined, the two games have sold 4.5 million copies in the United States alone since their release in late November. The last quarter of the year was the "best-selling quarter for software in Nintendo 3DS history," with 7.3 million copies of first-party Nintendo games sold during the three-month period.Nintendo credited the Pokemon games, along with other new releases like Super Mario Maker for Nintendo 3DS and evergreen titles like Mario Kart 7, for giving the 3DS its seventh month in a row where sales grew over the same period the year earlier.In October, Nintendo said the release of its hybrid Switch console won't mean the discontinuation of the 3DS line. Nintendo President Tatsumi Kimishima said at the time the 3DS still had momentum, something the latest NPD report has validated.The full, public facing NPD sales report goes out later today.

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