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Just about a week after the Steam Deck formally released, we have officially hit over one thousand games that are either Steam Deck Verified or Playable. Quite a fun milestone that, however quality is better than quantity and there's been some rather curious titles that have been through verification recently.

The hard numbers as it stands right now (SteamDB):

  • 532 - Verified
  • 471 - Playable
  • 710 - Unsupported

Some of the recently verified / playable titles include: Spirit of the North, FIFA 22, Day of Infamy, Bastion, KeeperRL, Icewind Dale: Enhanced Edition, Nickelodeon Kart Racers 2: Grand Prix and Alan Wake.

What's interesting is that the Unsupported category is growing quickly, with a lot of titles thrown into it over the last few days. These include: Persona 5 Strikers, Disgaea 5 Complete, Batman: Arkham Asylum GOTY Edition, SMITE, Mortal Kombat 11, Call of Duty: Black Ops III, Call of Duty: World at War and Arma 3.

Something strange has been happening though with Deck Verified on the titles being tagged as Unsupported. Baldur's Gate II: Enhanced Edition as a first example is Unsupported, even though I tested it just this morning working without issue. Children of Morta is also set as Unsupported, I just tested it working fine. Europa Universalis IV as well is apparently Unsupported and yet it works. All tagged to use Proton too, and checking on each with the Native Linux build, they all also worked fine.

There's likely a longer list of this so I've contacted Valve to see what's going on there.

There's times Deck Verified is still working as expected though, like with Project Zomboid. Although they picked Proton here by default, and it doesn't run so they've set it as Unsupported. I thought perhaps there was an issue again with it picking Proton first instead of the Native Linux build, but that also doesn't run correctly with a wrong resolution and then a crash when trying to enter the game (I've sent the developer The Indie Stone details on this to help them).

Update: Valve has formally addressed the false negative verification reports in a new post:

If 99% of a game's functionality is accessible, but accessing one optional in-game minigame crashes, or one tutorial video doesn't render, that's Unsupported.

For now! This is by design: around the launch timeframe, we believed it was more valuable to prevent false positives ("this game is Verified but part of it doesn't work"), even at the cost of some appearance of false negatives ("this game is Unsupported but I didn't notice anything wrong with it"). Even with the current standards, at the rate both we and partners are making improvements, we expect you'll see many titles transition over the next few weeks from Playable, or even Unsupported, to Verified. We also expect our standards and thinking will adjust as we move farther from launch and get much more feedback from customers and developers.

Article taken from GamingOnLinux.com.
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lukas333 Mar 4, 2022
Great news
Liam Dawe Mar 4, 2022
Update: Valve has formally addressed the false negative verification reports in a new post:

If 99% of a game's functionality is accessible, but accessing one optional in-game minigame crashes, or one tutorial video doesn't render, that's Unsupported.

For now! This is by design: around the launch timeframe, we believed it was more valuable to prevent false positives ("this game is Verified but part of it doesn't work"), even at the cost of some appearance of false negatives ("this game is Unsupported but I didn't notice anything wrong with it"). Even with the current standards, at the rate both we and partners are making improvements, we expect you'll see many titles transition over the next few weeks from Playable, or even Unsupported, to Verified. We also expect our standards and thinking will adjust as we move farther from launch and get much more feedback from customers and developers.
Philadelphus Mar 5, 2022
It was Greg Coomer in an interview (RockPaperShotgun iirc) who said valve had only tested a thousand to date. I'm not assuming anything.
Ah, thanks, I found it. Hadn't seen that interview.

Relevant section:
Game compatibility checks: Valve has said it would check every game in the Steam game library (50,000+ games and counting), to see if it will run well on the Deck. So far, it's only managed to check about 1,000 games.

  • “It’s a daunting task,” Coomer says of the hand-checked process, which assesses things like text readability. Valve prioritized checking games that were popular among people who pre-ordered the Deck.

  • The company will review whether it is going too slow or needs to "invent some other way of evaluating games.”
dibz Mar 7, 2022
I guess I remember reading somewhere that Verified required more then the game to just work and that there were other requirements like fonts and interface elements not being too small. I have a strong feeling that rather then tagging games into the playable category that hit those problems, they put them under Unsupported.
But then what's the "playable" category supposed to be for? Valve's definition has been that if it works just right, it's Verified, and if it works, but not just right, with problems like the ones you mention, it's Playable.
If they instead stuff all those in Unsupported, they've got two categories instead of three and they no longer have a category for things that actually don't work. It subtracts a lot of information, and worse, it's information they say they're giving you. If they're doing that it's a stupid move.
Maybe one of their QA people is just incompetent. Or maybe they're doing a thing where in some cases they send off an email to the developers about flaws and bung the game into Unsupported until they hear back--but you'd think they could leave it officially Untested, or maybe Playable, and just have an internal flag that they're waiting for feedback/changes.

I guess I took "Playable" as fixable, though it looks like other people clarified this in later comments (which made me not quite right regarding the definitions but not entirely wrong either that they'd want to distance themselves from them). In my head, fixable would mean it takes work to make it run but then would otherwise be similar to Verified; so it'd still be "unsupported" if things like too-small interface elements kept it unplayable after it was running properly. That said, it doesn't sound like that's the case, but honestly, I think it probably should be as it makes a lot of sense.
Purple Library Guy Mar 7, 2022
I guess I remember reading somewhere that Verified required more then the game to just work and that there were other requirements like fonts and interface elements not being too small. I have a strong feeling that rather then tagging games into the playable category that hit those problems, they put them under Unsupported.
But then what's the "playable" category supposed to be for? Valve's definition has been that if it works just right, it's Verified, and if it works, but not just right, with problems like the ones you mention, it's Playable.
If they instead stuff all those in Unsupported, they've got two categories instead of three and they no longer have a category for things that actually don't work. It subtracts a lot of information, and worse, it's information they say they're giving you. If they're doing that it's a stupid move.
Maybe one of their QA people is just incompetent. Or maybe they're doing a thing where in some cases they send off an email to the developers about flaws and bung the game into Unsupported until they hear back--but you'd think they could leave it officially Untested, or maybe Playable, and just have an internal flag that they're waiting for feedback/changes.

I guess I took "Playable" as fixable, though it looks like other people clarified this in later comments (which made me not quite right regarding the definitions but not entirely wrong either that they'd want to distance themselves from them). In my head, fixable would mean it takes work to make it run but then would otherwise be similar to Verified; so it'd still be "unsupported" if things like too-small interface elements kept it unplayable after it was running properly. That said, it doesn't sound like that's the case, but honestly, I think it probably should be as it makes a lot of sense.
Well, it's not quite what I thought it was, either. Seems like what's coming out of this is what Valve means by "Playable" is there could be things that aren't smooth, like input being tricky or interface elements being annoying, but every single part of the game has to actually run--no missing cutscenes, no minigames that don't happen and so forth. So according to them it's factors like those that are moving games that it seems we can play, into "Unsupported".

Now I feel like we could use a category for games that actually don't run at all.
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