2018年まで任天堂が販売しているゲーム機が何種類ありますか？
In the history of video games, the eighth generation includes consoles released since by Nintendo, Microsoft, and Sony. For home consoles, the eighth generation began on November 18, 2012 with the release of the Wii U, and continued with the release of the PlayStation 4 on November 15, 2013, and Xbox One on November 22, 2013. The Wii U was eventually discontinued on January 31, 2017 to make way for the Nintendo Switch on March 3, 2017. These video game consoles follow their seventh generation predecessors: Nintendo's Wii, Sony's PlayStation 3 and Microsoft's Xbox 360, respectively. For video game handhelds, the generation began in February 2011 with the release of the Nintendo 3DS, successor to the Nintendo DS, in Japan, followed by a North American and European release in March. Nintendo released additional variants in the 3DS family, such as the New Nintendo 3DS and the New Nintendo 2DS XL. The successor of the PlayStation Portable, the PlayStation Vita, was released in Japan in December 2011, and in Western markets in February 2012.
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