Mario Kart 9 has big shoes to fill, as Mario Kart 8 Deluxe has sold 64.27 million copies, which includes copies sold in hardware bundles. It is far and away the Switch's best-selling game ever, far outpacing the No. 2 game, Animal Crossing: New Horizons, which has sold 46.45 million copies.

As someone who prides themselves on their Mario Kart muscle memory, I figured maybe this was one of the expansion tracks that I'm less familiar with. But a quick search through those didn't yield ...