All Nintendo First Party 10 Million Sellers (as of September 30, 2025) (+Poll) UPDATED WITH LISTS BY RELEASE YEAR & CONSOLE

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Kirby and the Forgotten Land was at 7.5 million as of this March, after two years on the market; it's getting discounted this holiday, and with the Switch 2 confirmed to be backwards compatible, I'd say it has a shot at passing 10 million lifetime.

Mario Maker 2 is also getting a holiday discount, and was at 8.42 million at the end of 2022; 10m lifetime should happen there too.