Wii/DS each had ten 10-million-plus sellers. Switch has five and it's not even 2 years old

[Dulfite]

Animal Crossing
Pokemon next Gen
Zelda over the top like Between World's
Mario Kart 9 if it releases on Switch
Some massive market casual game we don't know about
Super Mario Maker or 2
If they make another Zelda with BotW engine this gen.

next next gen pokemon

Mario Party will get there as well.