Archive.org Wii U Games -

Trusted preservation groups on Archive.org:

"Wii U homebrew"

Before downloading anything, it is crucial to understand the host. The Internet Archive (Archive.org) is a non-profit digital library founded by Brewster Kahle. Its mission is to provide "universal access to all knowledge." While it is famous for the "Wayback Machine" (saving old web pages), it also hosts a staggering amount of software, console ROMs, and disc images. Archive.org Wii U Games

For homebrew: