Amazon.com: Gamecube Broadband Adapter : Video Games
Y Team Controller Adapter for Gamecube, Compatible with Nintendo Switch, Super Smash Bros Switch Gamecube Adapter for WII U/PC with 4 Port
4 wavebirds,1 cube,1 Gameboy Player,1 broadband adapter,1 1019 block memory card, and one mythical Component cable. As Star Fox would say...Mission Complete! Or Accomplished if you beat the levels special path lol.
Playing The Nintendo GameCube Online In 2022 - YouTube
TTX Tech GameCube Controller Adapter for Wii U and Switch - Micro Center
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 - Newegg.com