Step 1 – Install Wii U USB GCN Adapter / vJoy Device Driverįirstly, go to Massive’s Gamecube adapter blog and download the latest version of the Wii U USB GCN Adapter (there will be a link near the top of the page). This guide is for both the official Nintendo adapters (Wii U / Switch) and the unofficial adapters that support WUP-028 (don’t worry if you don’t know this term, a majority of the adapters, including Mayflash, use this). We’re assuming you already have a USB Gamecube adapter (see the links below if not). We’ve put together the below steps as an easy guide for you to achieve this. Did you know you can use a GCN gamepad for pretty much any PC game that supports the Xbox 360 controller (and others with a bit more effort)?