One of the bestselling Switch games of all time, Mario Kart 8 Deluxe, has now passed the NES in lifetime sales. Some outlets believe that promos like the Mario Kart 8 Deluxe bundle were huge contributors as to why the game has continued to sell even through 2023 and beyond. The Switch sales are on top of what the original Mario Kart 8 on Wii U sold. It's not a secret that the game has achieved a lot in the gaming industry and that there is much fanfare regarding the kart-racing title.