How to make Sengoku run on Linux using Steam Play

Overview

TLDR:Rename Sengoku.exe to Sengoku-old.exe / Rename SengokuGame.exe to Sengoku.exeMight not be required for proton version 4 and newer

Enable Steamplay – Rename files

Here is how you make it work:
Step 1:
Enable Steam Play
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Step 2: enable Steam Play for everytitle

Step 3:
Download Sengoku with the steam client

Important step 4:
Rename Sengoku.exe to Sengoku-old.exe
&&
Rename SengokuGame.exe to Sengoku.exe

##note
This guide that’s fixing the steam overlay might also do the trick, (see the guides rename step). But experience with the older paradox game launchers makes this less optimal. It might not work for your setup.
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Step 5:
Launch Sengoku using the steamclient

UPDATE://
Proton 4.1 and newer might not need these steps, and the launcher should work without much config

Source:
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Credits & Thanks

Guide Picture by Richard Pluck:
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Picture Lisence
Attribution-NonCommercial-NoDerivs 2.0 Generic (CC BY-NC-ND 2.0)
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and once again thanks to whoever is running Manjaro Linux and submitted the report @
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