Nintendo has not clarified the Switch 2 GameCube controller will work with some non-GameCube games, but it lacks some inputs.

Famicom Controllers Are Hardwired to the Console ... Later cartridge-based systems such as the Super Nintendo Entertainment System and the Nintendo 64 were nearly identical to their Japanese ...

At a quick glance, it looks like the Super Famicom, but upon closer examination, there’s no cartridge slot, and what appear to be controller ports on the front are actually USB-C ports.