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The Binding of Isaac: Rebirth (DLC REPENTENCE +) High CPU usage 100% everywhere

protonclosed
ValveSoftware/Proton#10131 · opened 2026-09-08 by yobenbobin · updated 2026-09-08 · 1 comments · github
Yyobenbobin 2026-09-08 github

Compatibility Report

  • Name of the game with compatibility issues: The Binding of Isaac: Rebirth
  • Steam AppID of the game: 250900

System Information

  • GPU: MX450
  • Video driver version: nvidia 610.57.04
  • Kernel version: Linux 7.2.3-ogc3.1.fc44.x86_64
  • Proton version: Proton 11.0-2

I confirm:
[✔ ] that I haven't found an existing compatibility report for this game.
[ ✔] that I have checked whether there are updates for my system available.

Symptoms :
CPU usage is at 100% in the lobby at all times; in the game itself, the usage doesn't drop.
This issue occurs in the Repentance+ DLC; it doesn't happen in Repentance

Screenshots provided and logs

steam-250900.log

Image Image
Yyobenbobin 2026-09-08 github

Please move my request—I don't know why it ended up in the general list.

Proton versions