How to change game volume in CS2
Type volume 0.5 in your game console to set the master volume to half; 0 mutes the game and 1 is full.
volume
Sets the master game volume, from 0 (muted) to 1 (full).
volume <0-1> Examples
volume 0.5 Half volume.
bind f5 "toggle volume 0.1 0.5" Switch between quiet and normal.
Arguments
levelRequired- Volume from 0 to 1. Decimals are allowed.
What it does
Controls the overall loudness of the game. Music and voice chat have their own sliders on top of this. Players often bind two values to a key to turn the game down quickly.
The game's own description: Sound volume
Run it on your server
On a SLASHPLAY server, type it in the Console tab of the server page; the reply shows right under it. A value set there lasts until the server restarts. To keep it, add the line to game/csgo/cfg/server.cfg. New to this? Start a CS2 server first.
Your own
CS2 server.
From $0.03 an hour, only while it runs. New accounts get 6 free tokens.