Weekly sales were double that of Mario Kart 8 Deluxe. Meanwhile, Ghost of Tsushima Director's Cut drops from first to ninth place.
Ratchet and Clank: Rift Apart also returns to the top 40 at tenth with an increase in PS5 stock leading to a 313 percent increase in sales.
Meanwhile, Olympic Games Tokyo 2020: The Official Video Game sees a 43 percent increase in sales, rising from eighth to third place.
FIFA 21 rises back up to second place following increased boxed sales.
It's close to overtaking Mario Kart 8: Deluxe as the Switch's best-selling first party title.