IGN - 48 more courses are coming to Mario Kart 8 Deluxe as part of paid DLC called the Booster Course Pass. It costs $25 alone, or is available as part of
![IGN on Twitter: "Mario Kart 8, with Wii U and Switch sales combined (but mostly Switch), is officially the best-selling racing game in U.S. history, usurping the pole position from Mario Kart IGN on Twitter: "Mario Kart 8, with Wii U and Switch sales combined (but mostly Switch), is officially the best-selling racing game in U.S. history, usurping the pole position from Mario Kart](https://pbs.twimg.com/media/EzJcCzWVkAUUzAW.jpg:large)
IGN on Twitter: "Mario Kart 8, with Wii U and Switch sales combined (but mostly Switch), is officially the best-selling racing game in U.S. history, usurping the pole position from Mario Kart
![IGN on Twitter: "According to Nintendo's financial results, Mario Kart 8 Deluxe has sold 38.74 million copies on Nintendo Switch, surpassing Mario Kart Wii's lifetime sales of 37.38 million copies. https://t.co/W08YA9XRvN https://t.co/YA8v5ulOLa" / IGN on Twitter: "According to Nintendo's financial results, Mario Kart 8 Deluxe has sold 38.74 million copies on Nintendo Switch, surpassing Mario Kart Wii's lifetime sales of 37.38 million copies. https://t.co/W08YA9XRvN https://t.co/YA8v5ulOLa" /](https://pbs.twimg.com/media/FDe2x5pXEAANVsz.jpg:large)