Ck3 Lan Multiplayer -

All computers must be connected to the same router or switch via Ethernet cables (preferred) or Wi-Fi.

I can provide custom network configuration steps based on your setup. Share public link

: To prevent desyncs on a local network, it is often recommended to disable all network adapters in your Windows settings that are not currently in use (like a VPN adapter if you aren't using it). Managing Desyncs

Ensure all players have the same mods active (if using any). 3. Create/Join the Game (Host) ck3 lan multiplayer

All players must have the same checksum string in the launcher.

Playing on a LAN usually means you are in the same room. This changes the meta entirely. You can’t hide your scheming behind a muted microphone. You have to keep a poker face when you see your neighbor grinning at their screen. The trash talk becomes immediate, the alliances feel more personal, and the betrayal hurts so much more when you can see the glint in your friend's eye.

If the game desyncs frequently, it is often caused by a player using mods or an unstable connection. All computers must be connected to the same

If you are trying to play with friends remotely but want to simulate a LAN environment to potentially improve stability, software like or ZeroTier can be used.

: Start as counts in India ; the region's religious tolerance allows for faster expansion through diplomacy and offering vassalage. CK3 Multiplayer Stability Guide

Tip: Disable Wi-Fi on your gaming rigs. You want that hardwired stability. Managing Desyncs Ensure all players have the same

: One person plays as a King (e.g., Scotland) and the other as their most powerful Duke. The Duke helps pass laws and put down rebellions while the King handles external expansion.

While there is no dedicated "LAN-only" toggle that bypasses external servers entirely, you can still play with people in the same building by using the standard multiplayer tools or specific workarounds to ensure stability. How to Host and Join Locally

While there isn't a "LAN" button, you can effectively play with someone on your local network using the standard multiplayer interface:

Turn off Windows Firewall temporarily to test if it's blocking the connection. If this fixes it, add a rule to allow ck3.exe . Restart Network: Restart the router and both computers. Frequent Desyncs