So Nintendont was updated to support the GC adapter for Wii U. This is now possible. : r/wiiu

Can someone please help me work a third party GC adapter with nintendont

Any way I can get this to work with Wii U? : r/wiiu

Mayflash GameCube Controller Adapter for Wii U, PC USB and Switch, 4 Port : Video Games

Controller Adapter for Gamecube- Compatible with nintendo switch, wii u, pc, You can play the super smash bros on Wii U and Switch, Plug the two usb

Y Team Controller Adapter for Gamecube, Compatible with Nintendo Switch, Super Smash Bros Switch Gamecube Adapter for WII U/PC with 4 Port

Because the Wii U contains a stripped down Wii It Is capable of natively playing GameCube but due to a lack of controller, memory card and a different disc drive that was

New 2020] How to use Official GC adapter on GC Emulator for WiiU! (nintendon't)

PDP Wired Fight Pad for Wii U - Samus : Video Games

Nintendont GameCube controller issue - The Independent Video Game Community

How to use the Official GameCube Controller Adapter for Wii U in Dolphin - Dolphin Emulator Wiki

Y Team Controller Adapter for Gamecube, Compatible with Nintendo Switch, Super Smash Bros Switch Gamecube Adapter for WII U/PC with 4 Port : Video Games

Random: Who Needs A Switch Pro When There's The Wii U Pro?

Use this Trick to REVIVE on your Wii U! (Updated App & Plugin)

After modding a few Wii's, I decided to pull the trigger and do the Wii U. What's everyone's favorite apps? : r/WiiUHacks

Can You Play GameCube Games on Wii U & How to Do? - MiniTool Partition Wizard