Compatibility Report

• Name of the game with compatibility issues: Insurgency
• Steam AppID of the game: 222880

System Information

• GPU: Intel Arc A770
• Video driver version: Mesa 26.1.0-devel (git-5c7e27cae3)
• Kernel version: 6.19.11
• Link to full system information report as Gist: https://gist.github.com/GermanAizek/85f0f2073d69f102469771ed9941130f
• Proton version: Experimental

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.

Proton Experimental Log: steam-222880.log

How to reproduce:

1. Run any map
2. On map have broken material (very dark) objects.

Game developed in Source Engine 2013 sdk

Bug works on any Proton versions. Watch video below.

https://github.com/user-attachments/assets/8b64d5b6-1ae1-4f6e-8956-8c2289d9d9f6