
The company is focusing on the most popular titles at the moment.

Of course, with tens of thousands of games on the Steam platform, even Valve can’t test them all right away. You can log in with your Steam account to check the titles in your library. The company has published a tool to let you see which of the games in your library run without any tweaks needed (“Verified”), which will need some graphics and/or control settings (“Playable”), and which just won’t run (“Unsupported”).

Valve is testing its library of games on the Steam Deck to see which can run on it.

But back to that core question: Which Steam games, and specifically which Windows games, can the Steam Deck run? The answer is, apparently, “most of them.” Even games requiring the Proton compatibility layer are running surprisingly well on the Steam Deck hardware.
