Both the host and clients should ensure the game is white-listed or the firewall is disabled for the VPN interface.
Note that in many co-op setups, progress and items may only save for the host. Use the "Merchant Save" trick (buying/selling at a merchant to force a save) before quitting. setting up a specific VPN tool like Hamachi, or do you need a guide for the split-screen Nucleus-Coop lord of the rings war in the north 3 player lan fix
Some routers block multicast or peer-to-peer traffic even on LAN. Last resort: Both the host and clients should ensure the
Getting a 3-player LAN session working for on modern hardware often requires a mix of network emulation and compatibility tweaks, as the original servers are no longer active . The 3-Player LAN "Story" Guide setting up a specific VPN tool like Hamachi,
If you prefer not to use emulator DLLs or are running a strictly offline hardware LAN, you can attempt to force the game to bind correctly using system files. This is often required to fix the "Third Player Drop" issue.
If you are using the and Fix #1 fails:
To enable 3-player LAN play, players will need to follow these steps: