Custom game builds are no stranger to Hackaday, and you might appreciate this portable Wii that can play Wii and GameCube games or this GameCube controller hacked into a Joycon for the Nintendo ...
But it's hardly pocket sized, and if you're going to go big then you might as well do it properly – like this portable GameCube. If you're thinking "hang on, isn't that just the wishful thinking ...