Playing via LAN without Steam typically requires using third-party "LAN fixes" or Steam emulators to bypass the game's native Steamworks requirement for networking. While the game supports up to 16-player LAN play natively, it usually expects a running Steam instance to initialize the connection. Primary Methods for Non-Steam LAN Play
The host's game should appear in the list. If not: how to play serious sam 3 multiplayer lan without steam
In the emulator files, look for a text file named settings/account_name.txt . Playing via LAN without Steam typically requires using