As per Valve’s most recent announcement last week (https://store.steampowered.com/news/group/4145017/view/3137321254689909033), enabling SteamDeck support in Easy Anti-Cheat (EAC) is now extremely easy. The official documentation is here: https://partner.steamgames.com/doc/steamdeck/proton
As per the official documentation, all you have to do is:
- Go into the SDK Configuration settings menu on the EAC partner site and enable Linux as a client platform.
- Go into the Client Module Releases menu on the EAC partner site, choose the Unix platform, and activate a module. If you cannot find the Linux module in the status dashboards, please contact EAC support.
- Once that’s done, download the EAC SDK and find the Linux library ( \Client\Assets\Plugins\x86_64\libeasyanticheat.so ) for the SDK version integrated with your game, rename it to easyanticheat_x64.so , and add it to your depot next to the Windows library ( EasyAntiCheat_x64.dll ).
- Lastly, on the Steamworks site, publish a new build of your game containing the new depot contents. (You don’t have to make any changes to the game executable, just include the new files in the depot contents.)
I’m begging you, please enable it. I switched to linux about 9 months ago and miss playing multiplayer Halo with my friends. I can’t overstate how happy it would make me.