GAMECUBE CONTROLLER ADAPTER FOR SWITCH (ALSO WII U / PC) - Cables - Nintendo Switch - Nintendo
GameCube controller - Wikipedia
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Amazon.com: CLOUDREAM Gamecube Controller Adapter for Switch Gamecube Adapter Wii U and PC, Super Smash Bros Choice Support Four Gamecube Controller and 70IN Long Cable : Video Games
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N64/Gamecube controller to USB adapter
Cube64 GameCube to N64 Adaptor – scanlime
Amazon.com: GameCube Power Cord for Nintendo NGC Console System - 12V AC Adapter, AV Cable, DC Power Supply, OEM Replacement Charger for Game Cube & Nintendo 64 : Video Games
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Amazon.com: Hyperkin Controller Adapter for N64 Controller Compatible with Nintendo Switch/PC,M07412 : Video Games
Gamecube/N64 controller to USB adapter (Third generation)
Amazon.com: Gamecube Adapter for Nintendo Switch Gamecube Controller Adapter and WII U and PC, Super Smash Bros Gamecube Controller Adapter. Support Turbo and Vibration Features with 180cm Long Cable : Video Games
Gamecube controller to N64 adapter
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Mayflash Nintendo 64 Controller Adapter to Nintendo Switch and PC - Walmart.com
GameCube Controller Adapter for Nintendo switch PC Wii U Super Smash Bros USB | eBay
Gamecube Video Game Console Starter Kit by REVOLT Gamer - Original Type Wired Gamepad Controller, AC Adapter, and AV Composite Cable (Platinum) - Walmart.com
Nintendo Switch Super Smash Bros Ultimate Game with GameCube Controller and Adapter - Walmart.com
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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