With a Nintendo controller of course, albeit a SNES one instead of a NES controller. But that’s more authentic to me anyway, as I played the Super Mario Bros on the SNES in the Mario All Stars Pack. Thanks to the 64JXP adapter. It feels as if the buttons are reversed, I’ll check with the SNES mini version. And let’s be honest: If I wanted to play Super Mario I would probably do it on the SNES mini. But maybe the gameplay is better on the C64, or the music. I’ll give it one more try.