METAL GEAR SOLID 2: Sons of Liberty – Master Collection Version – Preventing Crashes on Steam Deck

Documenting any configuration changes needed to get the game up and running on Steam Deck.

How to Fix Crashes on Steam Deck

Note: Credit goes to Slurp

Extra Configuration

Just using this guide to document any extra config I had to go through to get this game up and running.

As a disclaimer, I play this docked in desktop mode. I use the newest Proton GE version.

Game Crashes after First Cutscene

Download xaudio2_9.dll and put it in your MGS2 game folder where the .exe is

https://www.dll-files.com/xaudio2_9.dll.html

Add this to your launch commands:

WINDLLOVERRIDES="xaudio2_9=n" %command%

Crashes whenever a codec video is shown

The game would crash for me after I beat Olga. The codec video would have a green bar along the bottom and it would crash after playing for a couple seconds.

The fix is to add this PROTON_HEAP_DELAY_FREE=1 to your launch commands like so:

WINDLLOVERRIDES="xaudio2_9=n" PROTON_HEAP_DELAY_FREE=1 %command%

Still getting the weird green bar, but doesn’t crash at least.

Helena Stamatina
About Helena Stamatina 3202 Articles
I love two things in life, games and sports. Although sports were my earliest interest, it was video games that got me completely addicted (in a good way). My first game was Crash Bandicoot (PS1) from the legendary studio Naughty Dog back in 1996. I turned my passion for gaming into a job back in 2019 when I transformed my geek blog (Re-actor) into the gaming website it is today.

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