protonscr

METAL GEAR SOLID 2: Sons of Liberty - Master Collection Version

protonclosed
ValveSoftware/Proton#9943 · opened 2026-07-03 by tomcatmew · updated 2026-07-03 · 1 comments · github
Ttomcatmew 2026-07-03 github

Compatibility Report

  • Name of the game with compatibility issues: METAL GEAR SOLID 2: Sons of Liberty - Master Collection Version
  • Steam AppID of the game: 2131640

System Information

  • Steam Machine
  • Proton version: 12.0

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.

Sorry I don't know how to retrieve the log from steam machine.

Symptoms

The game's vocal audio wasn't played at all both in cutscene and in-game.
After entering game, you can easily find out that the NPC vocal audio is not playing at all.
But the sound effect that such as rainy sound and gun firing sounds are playing correct.

Reproduction

Start the game, choose English as language, start First mission .

Kkisak-valve maintainer 2026-07-03 github

Hello @tomcatmew, 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/7394#issuecomment-4876633681.

Upstream links