It's something I've been hoping for a while now, and Nintendo have officially confirmed that Gamecube games are heading to NSO once the Switch launches.
Nintendo have announced that The Legend of Zelda: The Wind Waker, F-Zero GX, and Soul Calibur II will be launching first with other games such
Honestly maybe the best part of this is that when they add shit like Coloseum and XD to the service, it will probably bring down the cost of those physical games a little bit. I thought I’d never end up getting them in my collection because they were just too expensive to justify.