This is often preferred over Hamachi for Serious Sam titles. It creates a virtual local network where the game "sees" other computers as if they were plugged into the same switch.
Serious Sam 3 is one of the few modern PC titles that natively supports up to . This is the most straightforward "no-Steam" multiplayer method because it can be played completely offline. how to play serious sam 3 multiplayer lan without steam
The hosted game should appear in the list. Select it and click . This is often preferred over Hamachi for Serious Sam titles