protonscr

S.T.A.L.K.E.R. 2: Heart of Chornobyl CTD when loading a save

protonclosed appid 1643320
ValveSoftware/Proton#9498 · opened 2026-02-14 by zehDonut · updated 2026-02-14 · 2 comments · github · game page · search this game
ZzehDonut 2026-02-14 github

Compatibility Report

  • Name of the game with compatibility issues: S.T.A.L.K.E.R. 2: Heart of Chornobyl
  • Steam AppID of the game: 1643320

System Information

  • GPU: RTX 5090
  • Video driver version: Nvidia 580.119.02
  • Kernel version: 6.18
  • Link to full system information report as Gist:
  • Proton version: Proton 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 log: steam-1643320.zip

Symptoms The game crashes to desktop after ~2 seconds of loading an existing save / creating a new save.

Reproduction

Happens every time

Kkisak-valve maintainer 2026-02-14 github

Hello @zehDonut, 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/8260#issuecomment-3902198387.

ZzehDonut 2026-02-14 github

Hello @zehDonut, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to [#8260 (comment)](https://github.com/ValveSoftware/Proton/issues/8260#issuecomment-3902198387).

Sorry, I thought I had to make a new issue since it's not the same problem

Proton versions

Upstream links