
Nintendont works on Wii U, which means every single GC games can be played! You can play the games using the GamePad, the Classic Controller or the official GCN controllers with the Smash or the MayFlash adapter. This is, in fact, the best way to play NDS game on a bigger screen. The official NDS emulator is way better and most of the library works.

The Rare titles are the outliers here, unfortunately, with only Banjo-Kazooie working flawlessly (Tooie with some minor slowdowns). The compatibility isn't great but every single first party game works, alongside Mischief Makers and the Bomberman, Goemon and Castlevania games. You can inject N64 roms into the official VC emulator. This means you can use the official S/NES mini controllers! Not only you can play the games on the GamePad, but RetroArch also supports USB controllers and WiiMotes. RetroArch is available on Wii U and let you play virtually every single game released on NES, SNES, Master System, MegaDrive, PC-Engine, GB/C/A and so on. If you buy an used Wii U for 100$ and hack it you'll get:

The homebrew community turned Wii U into an amazing platform to own. Let's say it, with Switch getting more and more ports there's no reason to buy a Wii U.
