Nintendo GameCube LAN: 8-Player Mario Kart: Double Dash!! | Illegal Toothpaste
Gamecube help! LAN connecting 2 GCs but for some reason it isn't working. Mario Kart Double Dash!! and Kirby Air Ride. More info in the comments. : r/ Gamecube
GameCube Broadband/Modem Adapter - Feature - Nintendo World Report