Compatibility Report

• Name of the game with compatibility issues: Total War: Rome II - Emperor Edition
• Steam AppID of the game: 214950

System Information

• GPU: AMD RX 9700 XT
• Video driver version: Mesa 26.2.3
• Kernel version: 7.2.6-1-default
• Link to full system information report as Gist: https://gist.github.com/octane038/ac9e555dc06030765f1e2c99caf1b162
• Proton version: 11.0-2

I confirm:

• [ Yes] that I haven't found an existing compatibility report for this game.
  I did find a compatibility report but it was for a different issue, not sure if this counts or not. Sorry if it does.

• [ Yes] that I have checked whether there are updates for my system available.

Symptoms

Loading the grand campaign takes around 50 seconds on Linux compared to around 20 seconds on Windows.

Reproduction

Time how long it takes to load the grand campaign on Linux vs Windows.