Adapt the old into the new: Mayflash GameCube Controller Adapter ($21 at Amazon).All you need is an adapter and your GameCube controller. Ultimate for your Nintendo Switch, but you want to relive the glory days of Melee? Do you just prefer the feel of the GameCube or WaveBird controller over the Nintendo Switch Pro Controller? No problem! You can still use any old GameCube controllers you have with your Nintendo Switch, and it's a simple process. So you have your copy of Super Smash Bros.