An example project for first person multiplayer sessions in Unreal Engine 4 from the CouchLearn.com guide: https://couchlearn.com/multiplayer-sessions-in-your-unreal-engine-4-game/
This project uses the NULL subsystem.
Server Browser works correctly for LAN.
Steam or other Subsystem is required for online Server Browser usage.
Port forwarding UDP 7777 is required for non LAN multiplayer.
WASD to move
Escape to return to main menu