Nintendo GC Controller Adapter - Genuine Nintendo GameCube Controller Adapter WUP-028 To Resellers: We have 3 confirmed cases of eBay dropshippers being banned. This is a peripheral required to play "Super Smash Bros. for Wii U" with a GameCube controller. You can connect up to 4 GameCube controllers to one Wii U GameCube Controller Adapter. You can use your existing GameCube controllers. Nintendo GameCube Controller Adapter This adapter allows you to connect 4 GameCube controllers and is easily used via USB connection. The exterior is unused, and the internal board is a good used item with minimal use. - Brand: Nintendo - Model: GameCube Controller Adapter - Number of Ports: 4 - Connection Type: USB