Nintendo is selling downloadable packages of two of its most popular games: Mario Kart 8 Deluxe and Animal Crossing: New Horizons. Both of these games got post-launch support, and Mario Kart 8 Deluxe will get more content in the near future.
Mario Kart 8 Deluxe was published less than two months after the Switch was introduced, and it quickly became the best-selling racing game of all time, attracting new players to this day. Animal Crossing: New Horizons would achieve comparable popularity following its March 2020 release, selling around 40 million copies. According to these numbers, Mario Kart 8 Deluxe and Animal Crossing: New Horizons are the two best-selling Switch titles, with the former selling more than the latter.
