USB-C to GameCube/Wii Cable – Frame1
You can use the Smash Brothers Gamecube adapter in portable mode with a USB C adapter (Rumble works too) : r/NintendoSwitch
raphnet. - Gamecube controller to USB adapter with vibration support
Amazon.com: 4 Controllers for Gamecube，with 4 Extension Cables and 4-Port USB Adapter for Switch PC Wii U Console (BBRG) : Video Games
E-NET Gamecube Controller Adapter, 4 Ports for Gamecube Controller USB Adapter Converter for Wii U PC NGC & PC Game Accessory, Support Windows XP, Vista, for Windows 7/8, 32-bit and 64-bit Nintendo
Eight Player GameCube Adapter Is Ready For Smash | Hackaday
YEUHTLL 4 Ports Converter for GameCube GC Controller, USB Adapter Plug & Play for NS Switch NGC/Wii U/PC Star Fighting Games - Walmart.com
Switch Gamecube Controller Adapter, Super Smash Bros Gamecube Adapter for Nintendo Switch, Wii U and PC USB with 4 Ports - Plug & Play, No Drivers Needed Nintendo Wii U Systems - Newegg.com
Amazon.com: CirKa Premium GameCube USB Controller for PC/ Mac (Black) : Video Games
Gamecube Adapter For Nintendo Switch Gamecube Controller Adapter And Wii U And Pc, Super Smash Bros Gamecube Controller Adapter - Chargers - AliExpress
Mayflash GameCube Controller Adapter for Wii U and PC USB (4 Port) - Walmart.com
raphnet. - Gamecube to USB adapter - V3
4 Port Gamecube NGC Controller Adapter Nintendo Wii U Switch & PC Adaptor USB UK 5055538676024 | eBay
GameCube Controller Adapter for Wii U and PC USB Two ports
GameCube Controller Adapter 4 Port Compatible with Nintendo Switch Wii U & PC USB
GameCube Controller Adapter for Wii U, Nintendo Switch and PC USB by L
Retro Link GameCube Style USB Wired Controller - Walmart.com
GameCube Controller Adapter | Switch GameCube Adapter
4 Ports Converter For Gamecube Gc Controller Usb Adapter For Nintend Switch Ngc/wii U/pc Star Fighting Game - Power Supplys - AliExpress
USB-C to Gamecube Cable – 20XX
GameCube Controller Adapter 4 Port Compatible with Nintendo Switch Wii U & PC USB
