protonscr

Prime World: Classic

protonopen appid 3684820Game compatibility - Unofficial
ValveSoftware/Proton#9590 · opened 2026-03-19 by DartMitai · updated 2026-08-19 · 9 comments · github · game page · search this game
DDartMitai 2026-03-19 github

Compatibility Report

  • Name of the game with compatibility issues: Prime World Classic
  • Steam AppID of the game: 3684820

System Information

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.

steam-3684820.log.gz

Symptoms

The game won't start error opening png icon favicon.png

DDartMitai 2026-03-19 github
Image Image

there's nothing wrong with the picture itself (I copied it to another folder because I couldn't open it in the original one because of the spaces)

~> identify /home/mitai/favicon.png

/home/mitai/favicon.png PNG 256x256 256x256+0+0 8-bit sRGB 51870B 0.000u 0:00.000
AAJuujarvi 2026-04-23 github

@DartMitai Can you retest this with Proton 11.0 (Beta) please? Based on our testing, this should be fixed now.

DDartMitai 2026-04-29 github

@DartMitai Can you retest this with Proton 11.0 (Beta) please? Based on our testing, this should be fixed now.

yes, the problem with the non-loading icon has been solved, but after 3 seconds of startup, the client closes itself.

steam-3684820.log
pid 65695 != 65694, skipping destruction (fork without exec?)

DDartMitai 2026-05-20 github

The player's palace mode should load after the launcher, and at that moment the game turns off.

DDartMitai 2026-07-31 github

still acutally

DDartMitai 2026-08-03 github

Experemental it's working

DDartMitai 2026-08-19 github
Image sometimes, when loading a battle, a bug happens and opens in this form
DDartMitai 2026-08-19 github
Image this is normal

Proton versions