Still love the GameCube and games. This is what we introduced the kids too and it’s been fun watching them play the games that brought me a lot of fun too.
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Mario Kart
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Super smash brothers
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Crazy Taxi
Could find the RCA connections on tvs now, but the Wii was great in the backward compatibility! Dolphin worked great for some games too, and a controller USB adapter and we’re in business!
It is doable to install an OS onto a flash drive or external drive, but from my experience it was really slow. Just need to make sure to then boot the machine to the USB device. Some machines you might find it difficult to change that in the BIOS.