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More BattlEye titles for Proton on Linux including DayZ, ARMA 3 now supported

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Valve has announced today that BattlEye support on Linux with Steam Play Proton has expanded, with new titles available.

As previously announced, currently all developers need to do to make it work is to email BattlEye. That's it. However, developers will still of course want time to test, so it's not exactly an instant thing. Still, it's fantastic progress and now even more games can be enjoyed.

The current list of support titles has expanded and is now:

  • Mount & Blade II: Bannerlord
  • ARK: Survival Evolved
  • Arma 3
  • DayZ (avoid the launcher, use the second option Steam gives)
    • DayZ also needs a higher max_map_count, you can up it temporarily by doing:
      ​sudo sysctl -w vm.max_map_count=1048576
      And permanently:
      echo 'vm.max_map_count=1048576' | sudo tee /etc/sysctl.d/vm.max_map_count.conf
  • Unturned
  • Planetside 2 (use "--disable-gpu" as a launch option, otherwise launcher is blank)

Hopefully by the time the Linux-powered handheld Steam Deck starts shipping in February 2022, that list will expand. I'm still personally hopeful we can see the likes of PUBG working.

You should no longer need Proton Experimental either, since Proton 6.3-8 released back in late November pulled in the BattlEye support.

In related news, Proton Experimental itself was also upgraded recently making Final Fantasy XIV playable, there's a fix for Marvel's Avengers showing prompt about outdated drivers on launch, a fix for eFootball PES 2021 and 2022 crashing on launch, a fix for audio in Mass Effect 1 from Mass Effect Legendary Edition and also improved compatibility with binary Nvidia drivers.

Article taken from GamingOnLinux.com.
Tags: Proton, Steam Deck, Anti-Cheat, Steam, Valve
35 Likes
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GBee Dec 4, 2021
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Regarding the comments on the official linux port of Arma 3 - that's long dead. They were having the porting done by a third party, it became too expensive* to pay that company to keep updating when they were releasing updates every couple of months and so they paused work on port updates. Then Proton came along, the game was working on linux under Proton and was costing BI nothing so they officially killed work on the port.

* Confirmed unofficially and in private by a friendly BI dev that they were being charged eye-watering amounts to keep the port updated.


Last edited by GBee on 4 December 2021 at 2:04 pm UTC
cKylec Dec 4, 2021
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Yahoooo! Things are looking better than ever and moving and quite some speed now!
hardpenguin Dec 4, 2021
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😍 Thank you developers, thank you CodeWeavers, thank you Valve, thank you all Valve contractors, thank you BattlEye!
tom34 Dec 4, 2021
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DayZ is crashing on my PC at loading screen:
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ARMA 3 is working for me.


Last edited by tom34 on 4 December 2021 at 7:58 pm UTC
tom34 Dec 4, 2021
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Quoting: Guest
Quoting: tom34DayZ is crashing on my PC at loading screen:
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ARMA 3 is working for me.

I'm not able to get DayZ working either. :(
You stuck on loading screen too?
kean Dec 4, 2021
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I am waiting on PUBG to get rid of Win 10 for ever :D
tom34 Dec 4, 2021
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Quoting: Guest
Quoting: tom34
Quoting: Guest
Quoting: tom34DayZ is crashing on my PC at loading screen:
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ARMA 3 is working for me.

I'm not able to get DayZ working either. :(
You stuck on loading screen too?

I found this while searching around and it may help you so I figured I would share.

"I was able to get it working by running this command:
​sudo sysctl -w vm.max_map_count=1048576

To make it permanent:
echo 'vm.max_map_count=1048576' | sudo tee /etc/sysctl.d/vm.max_map_count.conf

Taken from https://old.reddit.com/r/linux_gaming/comments/r86ziz/more_battleye_titles_for_proton_on_linux/hn6lxzm/

Game now loads and plays fine when started with the second launch option."

Source: https://github.com/ValveSoftware/Proton/issues/3899
Thx, now its working :D
Linuxwarper Dec 5, 2021
Let's guess which game will get anti cheat enabled this month. Surely at least one may be enabled. Glory, fishes and a trip to north pole for the winner. One guess only! Feel free to elaborate on game you guessed.

My guess is Rainbow Six Siege. Ubisoft likes money, asking to have BattlEye enabled seems like a easy way to make money for them.
F.Ultra Dec 5, 2021
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  • Supporter
Quoting: Guest
Quoting: tom34
Quoting: Guest
Quoting: tom34DayZ is crashing on my PC at loading screen:
To protect your privacy, external media requires approval to load. Source: i.imgur.com
View cookie preferences.
Accept & Show Accept All & Don't show this again   Direct Link

ARMA 3 is working for me.

I'm not able to get DayZ working either. :(
You stuck on loading screen too?

I found this while searching around and it may help you so I figured I would share.

"I was able to get it working by running this command:
​sudo sysctl -w vm.max_map_count=1048576

To make it permanent:
echo 'vm.max_map_count=1048576' | sudo tee /etc/sysctl.d/vm.max_map_count.conf

Taken from https://old.reddit.com/r/linux_gaming/comments/r86ziz/more_battleye_titles_for_proton_on_linux/hn6lxzm/

Game now loads and plays fine when started with the second launch option."

Source: https://github.com/ValveSoftware/Proton/issues/3899

Wow that is a lot of memory mappings. I assume that Windows doesn't limit this or have a higher default, the default on Linux is 65535.
tom34 Dec 5, 2021
View PC info
I just asked "ArmA 3 Unix Launcher" author, for adding support for DayZ into arma3-unix-launcher.

He not have time ATM, but created this issue https://github.com/muttleyxd/arma3-unix-launcher/issues/180 maybe someone convert this tool for DayZ. :D


Last edited by tom34 on 5 December 2021 at 9:21 pm UTC
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