Wii U sales skyrocket, and Nintendo expects more thanks to Super Smash Bros. - Polygon

Super Smash Bros. for Wii U will bolster console sales, continuing a trend that began earlier this year with the release of Mario Kart 8 and increased sales as much as 200 percent, Nintendo

Mario Kart 8 has sold 52 million copies, ANCH at 41.59 million, SSBU at 30.4 million, Zelda BOTW at 29 million copies. Pokemon Scarlet/Violet sold 20.6 million already!!!! : r/NintendoSwitch

Ball State Daily

Nintendo Promises There Won't Be A Wii U Software Drought In 2014 - My Nintendo News

Mewtwo Strikes Back!!! - Super Smash Bros Update

Super Smash Bros. for Wii U News, Page 8

Polygon Says Mario Kart 8 “Will Likely Be The Worst-Selling Game In Franchise History” - My Nintendo News

Super Mario Maker - Wikipedia

Nintendo As A Service

Mario Kart 8 Sells 2 Million Copies - mxdwn Games

Wii U - Wikipedia

The NES Classic and the History of Nintendo's Product Scarcity - Paste Magazine

Is Wii still making games?

Fun Sales Fact: One New Wii U Was Sold in September - IGN

super mario Polygons and Pixels