Copied files from zip file found here https://www.moddb.com/games/far-cry/downloads/far-cry-fix-32-bit to ~/.local/share/Steam/steamapps/common/FarCry

Downloaded https://github.com/ThirteenAG/d3d9-wrapper/releases and copied extracted files to ~/.local/share/Steam/steamapps/common/FarCry/Bin32

Used Launch Options: WINEDLLOVERRIDES="d3d9=n,b" %command% -mod:FarOut_Widescreen

Select older proton version: 5.13-6 (others might work too)

Started game normally and selected my resolution from inside game.

Speed up game startup with emptying the following video files: ~/.local/share/Steam/steamapps/common/FarCry/Languages/Movies/English/Crytek.bik ~/.local/share/Steam/steamapps/common/FarCry/Languages/Movies/English/Ubi.bik ~/.local/share/Steam/steamapps/common/FarCry/Languages/Movies/English/sandbox.bik

On a terminal you can do the following to empty a file:

> ~/.local/share/Steam/steamapps/common/FarCry/Languages/Movies/English/Crytek.bik