this post was submitted on 29 Nov 2023
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Left 4 Dead not launching on Steam with Proton 8.0 (lemmy.world)
submitted 11 months ago by MagnusRobotFighter@lemmy.world to c/linux_gaming@lemmy.world
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I'm new to Linux, using Kubuntu. I got Left 4 Dead 1 installed from Steam and I'm using Proton 8.0. I get an error saying "An error occurred while launching this game: invalid app configuration". Is there a launch option I should be using? Something else?

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[–] simple@lemm.ee 12 points 11 months ago* (last edited 11 months ago)

When in doubt check out Protondb, it's a database that says whether games work on Proton or not and people often put fixes there.

Left 4 dead's page is here: https://www.protondb.com/app/500

It seems like it should work but you need to right click the game --> properties then add -w 1920 -h 1080 as launch options.