This third-party Wii U GameCube controller adapter works with PC, too | Eurogamer.net
Nintendo Super Smash GameCube Controller Adaptor (Wii U) | Skroutz.gr
Nintendo Wii U GameCube Controller Adapter | GameStop
GameCube Blue Retro Internal Adapter V2
Amazon.com: GameCube Controller Adapter for Wii U, PC USB & Switch - NEXiLUX : Video Games
Mayflash GameCube Controller Adapter for Wii U / PC στη κατηγορία Gaming/Nintendo Wii U/Αξεσουάρ Wii U στο Easy Technology.
Controller Adapter for Wii U with White GameCube Controller (Play-Asia.com Bundle) for Wii U
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
USB to GameCube Controller Adapter (GCUSB)
Tutorial: How to use your GameCube Controller Adapter for Wii U on the vWii - YouTube
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB – Lexuma
Nintendo Switch accessories – RetroGamingClub
GC Controller Adapter for Wii/Wii U (PLAY-ASIA.COM Edition) for Nintendo Wii, Wii U
GameCube® Controller Adapter - XYAB
Gamecube Controller Adapter for Wii U - Solaris Japan
Amazon.com: Mayflash GC Controller Adapter for Wii & Wii U (Dual Pack), White : Video Games
Super Smash GameCube Controller Adapter - Wii U | Public
USB to GameCube Controller Adapter (GCUSB)
USB to GameCube Controller Adapter (GCUSB)
Wii U 4 Port Gamecube Controller Adapter
GameCube® Controller Adapter - XYAB
8BitDo GBros
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Amazon.com: 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