Xinput (Xbox 360 protocol) supports one controller per individual adapter. Mayflash has a gamecube to Wii U controller adapter. The plug-and-play design means that you don’t need a driver to play games on any platform (a Wireless Controller Adapter. Nevermind I was talking about WiiUPro to PC, not gamecube to PC. ) In Dolphin go to the controllers menu and make Drivers will automatically install. 06: Compatible with SNK NEOGEO Arcade Stick PRO Fix the bug that the Xbox One Controller updated to V4. The GameCube Controller Adapter allows you to connect up to two GameCube controllers (or wireless GameCube controllers) to a Wii U system and PC USB or Nintendo Switch. Wirelessly connects your Wii U pro controllers to your PC by USB. Magic-S Pro Wireless Controller Adapter_V1. Mayflash 4 port wii u + pc adapter with a switch to toggle modes.