: Open SmartSteamEmu.ini and set AppId = 41070 . Point the Target path to your Sam3.exe .
: Open the game executable directly. Go to Network Play > Cooperative (or Versus) > Start Server . Other players on the same network should then find your session under Join Game > LAN . 2. Using SmartSteamEmu
: Find your Serious Sam 3 installation (usually in Steam/steamapps/common/Serious Sam 3/Bin/ ).
