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Want to know how much of your own Steam Library is currently compatible with the Steam Deck? Well, there's now a website dedicated to doing exactly that.

It's called CheckMyDeck (great name) and all you need to do is grab your SteamID, enter it and it will do all the work for you. You can find your SteamID easily using this other website. The main thing to keep in mind though, is that compatibility is an ever-changing thing, with Valve adding to the list almost daily. We mentioned only a few days ago how Verified + Playable together hit 520 games, well as of right now it's already jumped up to 591!

As for CheckMyDeck, it's pretty good actually. Giving you a full list with links to each store page, along with a very tidy looking pie to give an overall score:


A slice of my own status right now.

Another big thing to remember is that a game being Unknown doesn't mean much - it just hasn't been tested yet, and so it might end up being a flawless experience.

Article taken from GamingOnLinux.com.
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dibz Feb 15, 2022
Most of my library shows up as unknown, with 9% showing as Playable+

VERIFIED: 95 games (5.67%)
PLAYABLE: 53 games (3.16%)
UNSUPPORTED: 12 games (0.72%)
UNKNOWN: 1516 games (90.45%)
Termy Feb 15, 2022
VERIFIED: 45 games (5.13%)
PLAYABLE: 35 games (3.99%)
UNSUPPORTED: 20 games (2.28%)
UNKNOWN: 777 games (88.6%)

Not exactly ideal, but at least "unsupported" is the smallest percentage ^^
Nice site for sure!
grigi Feb 15, 2022
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VERIFIED: 10 games (2.48%)
PLAYABLE: 15 games (3.72%)
UNSUPPORTED: 0 games (0.0%)
UNKNOWN: 378 games (93.8%)

I suppose the lack of red indicates my lack of interest in multiplayer games...

I did expect more green though.
Retron486 Feb 15, 2022
93% of my steam games are not even verified

Although, I'm a gog user I do buy games on steam with most of them being free.

But I hope Wreckfest is, atleast playable if not verified?

Out of all the Dead Risings games I have, the only one I don't have which is DR4 is the only one verified so far.

Really annoying!
Anza Feb 15, 2022
I got my first unsupported game: Hellblade: Senua's Sacrifice VR Edition

Could possibly be the only one, but sometimes it's hard to remember everything that's in the library

I don't buy VR only games, so that must have been bundled with Hellblade. I don't buy multiplayer games as such either, but there's always possibly that there might be one that I have bought for single player.
lectrode Feb 15, 2022
Quoting: Retron48693% of my steam games are not even verified

Although, I'm a gog user I do buy games on steam with most of them being free.

But I hope Wreckfest is, atleast playable if not verified?

Out of all the Dead Risings games I have, the only one I don't have which is DR4 is the only one verified so far.

Really annoying!

The vast majority of games for your average person's library is going to be "unknown" until valve's staff have time to extensively test all the 10s of thousands of games in the steam catalogue (10,263 according to google).

They didn't really start providing this public catalogue until a month ago, and this part of the effort isn't a community effort; only valve staff are testing and documenting game status (and probably only a handful at that). it's going to take time.

I don't know exactly how many staff they have testing these games, but just to give you some idea of the scope of the project: if valve have 5 ppl testing games for 8 hours a day straight, and they spend 1 hour testing each game, it would take them about 9 months to test every single game (roughly 40 games per day).

however, that does not take into account parallel efforts to get games into a playable state. as games are being tested, the testers are likely leaving notes for proton devs (who may or may not be the same ppl). the same games might be tested multiple times as updates to either proton or the games themselves are released.

Between 2022/02/04 and 2022/02/15, valve have gone through 471 games, at an estimated rate of roughly 42 games per day (including weekends). while we can't know for sure the actual testing rate, my example doesn't currently seem too far off. we'll have a better idea as valve test more games.


Last edited by lectrode on 15 February 2022 at 7:49 pm UTC
audiopathik Feb 16, 2022
The magic Seven


audiopathik Feb 16, 2022
Quoting: lectrodeThe vast majority of games for your average person's library is going to be "unknown" until valve's staff have time to extensively test all the 10s of thousands of games in the steam catalogue (10,263 according to google).

I don't know exactly how many staff they have testing these games,

Quite exactly one year ago the Steam store reached 50,000 listed games. ( https://www.pcgamesn.com/steam/total-games )
It counts over 200,000 AppIds ( SteamDB ), this number includes DLC, software, betas, public test builds/servers, internal and press releases, removed games (due to licensing or regulations games are removed from sale, such as Rocket League) etc etc

And as for the staff: Valve only counts 360 employees which is nothing compared to EAs 11.000, Ubisofts 18.000, Sonys 110.000 or Microsofts 180.000
So there you have it, that's why they are rather slow and unresponsive.
CatKiller Feb 16, 2022
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Quoting: lectrodethe 10s of thousands of games in the steam catalogue (10,263 according to google).
64,364 today. It'll be more tomorrow. That's just games; there's DLC and non-game software, too.
Philadelphus Feb 16, 2022
VERIFIED: 14 games (8.59%)
PLAYABLE: 15 games (9.2%)
UNSUPPORTED: 0 games (0.0%)
UNKNOWN: 134 games (82.21%)

Up to 18% playable+, from 14% yesterday.

Valve have explicitly said they're hiring people to help with this verification process. While I'm sure they'll have some permanent employees continuing to monitor the steady trickle of games coming in into the future, for this first Herculean effort I wouldn't be at all surprised if they simply hired a few hundred contractors for a few months (using the money from TF 2 cosmetics, or some other rounding error in their budget) to get through the initial push. It's an eclectic selection of games right now, and slow, because they're testing a wide variety of things and shaking out the UI, but I've no doubt that in the next week and a half leading up to February 25 the flood gates will open and we'll see thousands of games ranked which they're probably sitting on right now.

Also by stretching it out rather than just saying "Here are 5k games that are at least playable" they encourage people to get invested and keep coming back to see if a game they want to play has been listed yet.
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