POP_OS: Stam VAC Anti-cheat prevents me from playing DOTA2

I migrated almost everything on Linux and, low and behold, the only game giving me issues is DOTA2.

I'm using Steam flatpack, it runs, I can play against bots, I can spectate games. The moment i try to play in matchmaking a VAC messadge pops up preventing me from starting a game.

I tried reinstalling, veryfying the files, installing on a differend hard drive, scanning the disks for errors.

Nothing worked. Any idea?

Edit: thanks guys, it was actually Proton!

myotherself ,

Do you use the native version or do you use proton? I heard that this issue also occures when playing TF2 using proton.

GiuEliNo ,
@GiuEliNo@feddit.it avatar

You must use the Linux build to play Dota
Don't force the use of proton for it or vac will not work

velox_vulnus ,
@velox_vulnus@lemmy.ml avatar

Never had issues with Dota 2 on Linux. I wasn't using any sandbox, by the way. System's package manager for almost all applications, with the exception of Bottles on Flatpak.

Kaari ,

Could it be that you're forcing Dota2 to run with proton? (Properties -> compatibility -> uncheck the box)
Because Dota2 runs natively on Linux and VAC marks games running via proton as unverified.

dwindling7373 OP ,

I had no idea, I had some issues running native and I somewhat gaslight myself into thinking Valve somehow deprioritized Linux support.

I guess my problem is solved then. Thanks!

onlinepersona ,

Flatpak? I imagine that's the problem...

cralder ,
@cralder@lemmy.world avatar

Flatpak usually works fine with anti cheat. More likely a proton issue like other people are saying

onlinepersona ,

Indeed, that seems more likely.

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