: In the main menu, click Host Multiplayer and specifically select LAN .

To ensure Grim Dawn uses the Hamachi virtual adapter instead of your standard internet connection, you must verify your in-game options.

This section will guide you through setting up the fully functional "Grim Dawn Hamachi Full" experience, specifically tailored for non-Steam or custom versions.

You should now be in the same session.

Now, equip your weapons, synchronize your builds, and dive into Cairn. Your epic co-op journey awaits.

Sometimes the virtual bridge needs a "kick" by restarting the service.

Run the setup wizard, choose your language, and accept the license agreement. If prompted, decline any optional bundled software.

: Ensure every player is running the exact same version of Grim Dawn.