Compatibility Report

• Name of the game with compatibility issues: Warhammer 40,000: Sanctus Reach
• Steam AppID of the game: 502370

System Information

• GPU: GeForce GTX 1070
• Driver/LLVM version: nvidia 396.54
• Kernel version: 4.19.1
• Link to full system information report as Gist:
• Proton version: 3.16-4 Beta

I confirm:

• [x] that I haven't found an existing compatibility report for this game.
• [x] that I have checked whether there are updates for my system available.

Symptoms

After Intro the game crash with the message:
Failed to create device for rendering. Invalid resolution, or cannot run without at least shader model 3.0.

But if you create OPTIONS.TXT in
..../SteamLibrary/steamapps/compatdata/502370/pfx/drive_c/users/steamuser/My Documents/My Games/SANCTUS/OPTIONS.TXT

with this options from http://pastebin.com/RzYeqSCN the game start and is fully playable

The solution I found here: https://appdb.winehq.org/objectManager.php?sClass=version&iId=34764

Reproduction