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Steam Beta finally enables Proton on Linux fully, making Linux gaming simpler
(www.gamingonlinux.com)
this post was submitted on 18 Jun 2025
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And now Valve needs to figure out how to tell users which game works and which game doesn't work. Maybe some kind of badge for Proton?
Integrating ProtonDB into the steam client would be a nice.
On steam deck there's a decky add-on to do that
We need decky for desktop steam.
Can you not install it? There's really not much difference between a Steam Deck and a Linux desktop.
You can, I've done it myself, but most plugins are geared to run in the Big Picture mode instead of the Desktop UI.
For example, the SteamGridDB plugin only runs in Big Picture, and despite showing its menu option the desktop, clicking it gives you a broken window.
Meanwhile, the CSS Loader plugin runs on both, and there some themes specifically geared to modify the desktop UI, like the lovely Metro for Steam skin recreation by Rose
In practice, there aren't really any differences. However I suspect that it's designed around the Deck interface and that there would be no easy way to invoke it.
Although it's probably open source, or you might be able to bind whatever the Deck button sends to some key combination... I guess I'll have to look into it.
I tend to do my Steam shopping in the browser and I use the ProtonDB-Peek userscript. This gives a ProtonDB status badge in the right column under the review links.
Apparently, this is a browser extension (well, a script for a browser extension), so it works when you browse the Steam catalog through your web browser, but not through their client. Or did I miss anything?
Correct, that's what I meant to imply in the first part of my comment. When I research new games I do that from a web browser and that's when I care about Proton status the most so this works great for that. It does not help when using the Steam client.
Thanks. You even did specify you used it from a browser, I wasn't paying attention, sorry.
That's exactly what they said:
Right, so they did. Silly me. Thanks.
Steam deck compatibility is close enough to the same thing.
A lot of games that that don’t work on steamdeck because they need more performance still work perfectly well with proton on a decent gaming rig
Yeah, when I made the switch, I checked a bunch of the games I played the most for steam deck compatibility and thought I had to give up on some of them, only to find that they were still fine because my desktop is much more powerful than the steam deck. Plus it has a keyboard; if a game requires a keyboard, it hurts the steam deck compatability score (how much depends on if it's required for playing the game at all or just needed every now and then to enter some text).
So treat "steam deck supported" as "works on linux" and "steam deck unsupported" as "maybe works on linux".
I think the better indicator of not supported at all on Linux is the "3rd party kernel anticheat" marker in the store, though I tend to avoid games with that anyways, so I can't really say for sure.
I usually just check protondb. It‘ll tell you everything you need to know
They've already expanded it into a non-deck-speciphic thing for the other compatible handhelds.
https://github.com/OMGDuke/protondb-decky
You mean like this?
Like that, but default on Steam client and store game page.
Makes sense
Unfortunately this doesn't work on the store pages.