The solution removes the black bars from the game at 21:9 and wider as far as possible within the limitations of its static backgrounds.
How to Fix Ultrawide
- Download this mod archive.
- Unpack the files to the game directory.
- To uninstall, simply remove or move the files.
- Tested on the latest Steam version primarily at 2560×1080.
- Additionally tested at 3440×1440, take a look at screenshot below.
Important Note for Linux Users
For Linux users wanting to use the fix you’d need to also set launch options in addition to copying the files:
- WINEDLLOVERRIDES=”winmm=n,b” %command%