Adjust your game rules, map selections, and difficulty settings.
In the same directory where you placed the new DLL, create a simple text file named steam_appid.txt . how to play serious sam 3 multiplayer lan without steam
Look for the (e.g., 192.168.1.15 ). Note this down. Step 4: Connect from the Client Computers Adjust your game rules, map selections, and difficulty
💡 If the game does not show up in the browser, you can force a connection using the developer console. Enable the console in the game options. Press the tilde key ( ~ ) to open it. Adjust your game rules
If you’re looking to relive Serious Sam 3 co-op or deathmatch with friends over LAN and don’t want Steam involved (no account, no internet dependency), this method gets the job done.