You can use the joysticks to mimic mouse movement and WASD.

And some games that ARE verified (like the Dead Space remake or Ratchet and Clank) run horribly.

It reached 90 degrees Celsius running Dead Space.

Celsius…

If you want to go into emulation, I highly recommend OhnoItsAlexx. He’s done videos for how to emulate each retro console and also run Epic Games and GOG on the Steam Deck.

My advice: ignore the Steam Deck Verified checkmark. Most games that are “unsupported” run just fine.

I’ve had mine almost 3 years and my knowledge of gaming and computers has expanded so much since then. It’s a brilliant device.