ProtonDB Fixes to Games

Fixes applied to games running on Ubuntu GNU Linux operating system.

Paradox Games Native

To bypass launcher issues on Native installations, go to the games local file directory (Game properties > Install Files > Browse) using Steam and find the binary, launch the game from the binary

EU4

Use Hide the top bar extension for windowed full screen

Dead of Alive 6

Works out of the box with proton experimental
For story mode, install Proton GE using asdf instructions on GE GitHub, restart steam, select GE and test story mode works ok
- During Story Mode cut scenes, may need to press Enter to get rendering to work

FIFA 20, EA App installed Games

Works using installation of EA App described at Running Windows Programs with Steam Proton - Running Windows Programs with Steam Proton. Install the EA App, then install FIFA 20 inside the app and run the game. During first run, configure game settings like display resolution, then press the button to run. As the game’s servers are turned off, the game will show a message the servers are down, but offline play is not affected.

To make it easier to launch FIFA, add a new non-Steam game. Use the same prefix as the EA App like these examples and set these settings for the Steam app:

Compatibility: Proton Experimental
Target: “/path/to/EAGames/pfx/pfx/drive_c/Program Files/EA Games/FIFA 20/FIFA20.exe”
Start In: path/to/EAGames/pfx/pfx/drive_c/Program Files/EA Games/FIFA 20
Launch Options: STEAM_{COMPATDATAPATH}=“/path/to/EAGames/pfx” %command%

XCOM 2

Enable Compatibility: Force the use of a specific Steam Play compatibility tool: Steam Linux Runtime 1.0 (Scout). The lower version likely due to changes in Linux and its libraries over time and old version closer to the game’s release. Then launch War of the Chosen. Alternatively, legacy runtime 1.0 may work as well.

Game startup may take couple minutes until main menu.

Other fixes

Source: Linux Client is broken. :: XCOM 2 General Discussions

From Feral’s support feedback:

The issue you are seeing is suspected to be related to the game not finding the correct libraries due to changes in modern versions of Linux.

Right click the game in your Steam Library, and select Properties In the new window that appears, go to Installed Files and click Browse In the window, enter the ‘lib’ folder, then the ‘x86₆₄’ folder Select all files in ‘x86₆₄’, and Cut them using Ctrl+X Now, go back to the ‘lib’ folder and Paste the files using Ctrl+V Delete the remaining ‘x86₆₄’ folder from the ‘lib’ folder Launch the game again

Jagged Alliance 3

Had to apply these fixes

Initial game launch

https://www.protondb.com/app/1084160#vf74V81EyK

Open the game folder (right click on the game, properties -> installed files -> browse) Navigate to Packs/Maps folder. Create some folder, name it as you like - i.e. bak or temp Find all the files with names starting with “MainMenu_” Move all those files to the folder you created in step 3. Launch the game. Game should launch to the menu but instead of the background with your mercs, it will be black. Open Options -> Video and change Reflections to anything other than Medium or High. Off, Low and Ultra are ok. Apply the change. Don’t try to play yet. You do not have some necessary files. Close the game. Restore the “MainMenu_” files to their previous location. Restart the game. Game should now go to the main menu, background with mercs should be there.

Fix full screen alignment

https://www.protondb.com/app/1084160#SkpINaDy8R

Windowing:Size

You might notice that mouse clicks apply slightly below where they are supposed to. This is because in full screen the window is slightly lower than expected. This can be observed by moving the mouse to the top of the screen and looking at the thin black area on the top.
To fix this, go to settings, set the windowed mode to “Windowed”, apply and then switch back to “Windowed fullscreen”. This will fix the clicks.
Needs to be done after every restart.

Total Warhammer 3

Game should work native without proton.

With issues with vkWaitForFences failed: -4 or similar errors related to Vulkan, try the following troubleshooting options based on Warhammer 3 crashing, Signal 6/vkwaitforfences failed:

Lower video settings
Use Windowed mode
Disable shadows

Total War Rome 2

Game should work out of the box. See Fix 1 and 2 regarding VC Redist during initial game run.

Games that should work with no or minor changes

Call of Duty: Infinite Warfare
Cities Skylines
Crusader Kinds 3 (see Paradox Games native workarounds)
CyberPunk 2077
Diablo 4 (IV)
Homeworld Deserts or Kharak, Remastered Collection
Injustice 2
Mechwarrior 5 Mercenaries
SpellForce Conquest of Eo
Stellaris
Total War: Pharaoh, Troy, Three Kingdoms, Warhammer 3 (Native), Attila
Uncharted: Legacy of Thieves
Warhammer 40,000 Dawn of War II Retribution
Warhammer 40,000 Rogue Trader
WWE 2K25

Games to take a while on first run, like due to install, installation scripts, or shader loading

Battletech
Homeworld 3
Marvel’s Midnight Suns
Titanfall 2 - requires log in to EA app during launch
X COM Chimera Squad

VS Redist Package Issue and/or Scripts Stopping during initial run, first run of game

Fix 1: Clear Steam Download Cache

See also fix for Steam Proton games stuck on “Installing: Microsoft VC Redist Package”, workaround from pewpewpewmoon:

I get this from time to time. Clear your download cache, give it a minute and then try again. It will fix it most of the time

Steam > Settings > Downloads > Clear Download Cache

EDIT: This also happens on windows, it’s just an annoying thing that has always been a part of steam for some people

Also can check integrity of game’s files if there are issues under Game’s Details > Installed Files
Fix 2: Unmount all external drives

Unmount any extra external drives. Stop the game and restart it. Remount drives after the game starts.

Possible cause is Wine maps USB drives as extra Windows drives. Windows redistributable installers may query all drives during setup. If one of those drives is slow or unresponsive or has issues, the installer hangs waiting for it.

If the script hangs, look for evidence of changed files with .vdf in ~/.steam/steam