How to become an admin at Barotrauma
Rent your own Barotrauma server at 4Netplayers.com
Admin Settings and enter your SteamID64 in the appropriate field.
If your server is in Advanced Mode, you need to enter your SteamID64 in the
steamid=. The SteamID64 must be written between the
Restart your server after you have made your changes.