Launch Options

[bialyikar]

Hello.
Is there somewhere a complete list of parameters I can enter in the "Launch Options" field in Steam? Parameters for Proton, Wine...
I found some of them: https://github.com/ValveSoftware/Proton/blob/proton_5.0/README.md#runtime-config-options"

[WarnerCK]

You can put absolutely anything in there: environment variables, game options, different commands entirely, use sed to change commands on the fly... %command% is the placeholder for "the thing Steam is trying to run" so that you can separate out "things that go before" from "things that go after."

[Marlock]

it's constructing and executing a bash command as you would in the linux terminal or in a shortcut

check these threads out:

bash, echo, wined3d
https://steamcommunity.com/app/221410/discussions/0/3825284575376817402/

zenity
https://steamcommunity.com/app/221410/discussions/0/2790495976040061300/#c2790495976040829896

steam launch parameters (mostly the same on linux and windows)
https://gist.github.com/davispuh/6600880