If you use mods, every player must install the exact same mods. They must also load them in the exact same order.
: In multiplayer, any player can request to change the game speed, but the Host has the final say and can lock the speed if needed.
Before launching the game, ensure every participant has the correct setup to prevent version mismatch errors.
Modded files alter the game's checksum. To play together, every player must either disable all mods or subscribe to the exact same mod playlist in the Paradox Launcher.
Ensure the Server Type is set to Local or that you are searching in the LAN tab. Once the lobby is set up, the host picks their character. 4. Joining the Game Other players select Multiplayer . Select the LAN tab. ck3 lan multiplayer
Here’s a draft for a blog or social post about hosting or playing a . It’s written in a conversational, community-style tone—adjust for your platform and audience.
Whether you are planning a weekend-long grand strategy party or connecting a couple of PCs in your living room, this comprehensive guide covers everything you need to know to get your CK3 LAN multiplayer running flawlessly. 1. Why Choose LAN for Crusader Kings 3?
Best for: Friends on the same router who don't want to mess with port forwarding.
: Only the host needs to own gameplay DLCs for everyone in the session to use them. Cosmetic DLC (like unit skins or music) may sometimes be limited to the individual owner. Mod Compatibility : All players If you use mods, every player must install
: When one player pauses, the game pauses for everyone. This is essential for managing complex events or wars.
Before gathering your friends, ensure your technical foundation is solid to prevent connection drops and desyncs. System Requirements & Game Versions
The short answer is that Crusader Kings III does not have a native, "pure" LAN mode
Pause the game immediately. The host should save the game, exit to the main menu, and re-host. CK3 allows hot-joining, meaning players can log back into the active session without starting over. Issue: Cannot See the Hosted Game Before launching the game, ensure every participant has
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
So, why choose CK3 LAN multiplayer over online multiplayer or single-player modes? Here are some benefits:
Play near your friends but maintain a friendly exterior. Focus your character's lifestyle choice on . Secretly murder your friend's genius heirs, kidnap their spouses, and fabricate hooks to force them into bad political alliances without them knowing it was you. Learn More About CK3 Multiplayer
Delete the launcher-cache folder inside Documents/Paradox Interactive/Crusader Kings III . Preventing Mid-Game Desyncs
: Ensure every player is running the exact same version and has the same checksum (the string of letters/numbers next to the version in the launcher). Host the Game : Navigate to Multiplayer from the main menu. Click Host Game . Set a Server Name and Password if desired. Join the Game :