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Confirmed: The Wii U GameCube Controller Adapter will not work on DDR, Active Life, or Cyberbike | Gaming.Fit
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GENUINE Original Official Nintendo Wii U WUP-002 (USA) AC Adapter Power Supply | eBay
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
GameCube Controller Adapter for Wii U and PC USB Two ports
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Wii U Gamecube Adapter (Violet) for Windows, Wii U, Android
Amazon.com: Charger for Wii U Gamepad , AC Power Adapter Charger for Nintendo Wii U Gamepad Remote Controller : Video Games