When playing over a network, use the (Voice over IP) settings. It features 3D Positional Audio and Radio Channels , which are critical for coordinating room clears without being in the same physical room.
If you are hosting, you must forward UDP Port 7777 (Game) and UDP Port 27015 (Query) in your router settings. GROUND BRANCH over the network
The game relies heavily on Steamworks. Ensure your Steam overlay is active to accept invites easily. When playing over a network, use the (Voice