How to mute NPC survivors

Its quite simple.

Setup

Go to your library and right click contagion and click properties


















2. Go to the local files tab then click "browse local files..."














3. From here open "contagion" then "sound", then look for a file called "voicesurvivors_npc.bnk" and rename it to "voicesurvivors_npc_old.bnk"