Use the GOG version if possible. If you own the Steam version, the LAN patch makes it just as easy. Either way, you’ll be mowing down hundreds of enemies with friends – no internet required.
Before launching the game, ensure your computers can "see" each other. how to play serious sam 3 multiplayer lan without steam hot
) in your game's folder. It redirects Steam commands into a LAN broadcast, allowing the game to "see" other players on your local network as if they were on Steam. Specific LAN Fixes Use the GOG version if possible
: Connect both PCs to the same router or use a direct Ethernet crossover cable. how to play serious sam 3 multiplayer lan without steam hot