IGN - 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 Wii.
Nintendo Switch 🍥 on Twitter: "Mario Kart 8 Deluxe (Switch) vs. Mario Kart 8 (Wii U) Comparison →https://t.co/UDUAOXLj1f (via @Nintendo_NWR) #NintendoSwitch https://t.co/RUpUNkWXK6" / Twitter
![GoNintendoTweet on Twitter: "IGN - Mario Kart 8: Deluxe Graphics Comparison - Wii U vs. Switch https://t.co/Vp3Awc82oT https://t.co/HF1Eswpp3W" / Twitter GoNintendoTweet on Twitter: "IGN - Mario Kart 8: Deluxe Graphics Comparison - Wii U vs. Switch https://t.co/Vp3Awc82oT https://t.co/HF1Eswpp3W" / Twitter](https://pbs.twimg.com/media/C9vkq3wXgAEJx2u.jpg)