Hello @MatvaiCross, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/9014#issuecomment-4207667256.
proton experimentalx1 2026-04
Compatibility Report
System Information
I confirm:
steam-1818450.log
Symptoms
Transparent environment objects do not render or show in the environment, causing many locations that have these objects hard to work around, or impossible to deal with.
These environment objects are used during the Inside Out Event of the game that occurs once a year.
Reproduction
Start up game, go into Inside Out area of Northern Faction Zone, run around areas, run into invisible walls and objects place around or block areas.