The Switch 2 will not have a system-level achievement system like PlayStation and Xbox consoles do, but individual developers can decide to make them if they want.
During the recent Switch 2 Nintendo Direct, we saw that the Switch 2 editions of The Legend of Zelda: Breath of the Wild and Tears of the Kingdom feature new achievement systems. Some thought this meant the Switch 2 would broadly support achievements, but Nintendo's Bill Trinen told Polygon, "Nope."
This is how it also worked with the original Switch.
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