protonscr

Helldivers 2: Border lines on Top and Left, Mouse often clicks outside window

protonclosed
ValveSoftware/Proton#9490 · opened 2026-02-12 by peq42 · updated 2026-02-12 · 1 comments · github
Ppeq42 2026-02-12 github

Compatibility Report

  • Name of the game with compatibility issues: Helldivers 2
  • Steam AppID of the game: 553850

System Information

  • GPU: 4070 ti
  • Video driver version: Nvidia Open 590
  • Kernel version: 6.17
  • 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.

Symptoms

Helldivers 2 has 2 major issues:

  1. There is a line on the left and top sides when the game is running on windowed fullscreen
  2. On windowed fullscreen, often the mouse will click outside the game, causing issues(I believe its related to me having 2 monitors?)

Reproduction

-Play the game in Windowed fullscreen
-See those two lines I mentioned
-Get in a mission
-if you have more than 1 monitor, you'll every so often click outside the game

Kkisak-valve maintainer 2026-02-12 github

Hello @peq42, 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/7486#issuecomment-3893913122.

Upstream links