How To Play Serious Sam 3 Multiplayer Lan Without Steam !exclusive!

Serious Sam 3: BFE multiplayer over a Local Area Network (LAN) without using Steam's online features, you generally need to bypass the game's standard Steamworks requirement, which often prevents access to the "Network" menu in offline mode.

Would I recommend it?
✅ Yes – for offline LAN events.
❌ No – if someone in your group isn’t tech-savvy or if you have reliable internet (Steam’s built-in LAN mode is easier).

Version Matching: All players must be running the exact same version of the game to see each other's hosted sessions. how to play serious sam 3 multiplayer lan without steam

Backup and Replace: Rename the original steam_api.dll (or steam_api64.dll) to something like steam_api.dll.bak. Copy the Goldberg version into this folder.

1. Windows Service: Function Discovery

Serious Sam 3 uses SSDP (Simple Service Discovery Protocol). Go to Services.msc and ensure these are Running and Automatic on all PCs: Serious Sam 3: BFE multiplayer over a Local

How to play:

If the goal is simply to play with someone in the same room, Serious Sam 3 natively supports up to 4-player split-screen on a single PC. On each client PC, launch Serious Sam 3

If you simply want to play with someone in the same room without any network hassle, Serious Sam 3: BFE natively supports 4-player split-screen on a single PC. Navigate to Split Screen from the main menu. Choose your mode (Cooperative or Versus).

• On each client PC, launch Serious Sam 3 and open Multiplayer → Join Game (or Direct Connect).
• If there’s a server browser showing LAN games, use it to find and join the host. If not, use Direct Connect or “Join by IP” and enter the host’s LAN IP and port (default 27015).
• If a password was set on the host, enter it.