Anno 1800 Lan Multiplayer !new! -

When players initiate a "local" multiplayer session, the game still requires an active internet connection to authenticate with Ubisoft’s central servers. The "host" effectively runs a server instance that other clients connect to via the internet, even if those clients are sitting in the same room.

Report compiled based on game version 18.x (post-Game of the Year Edition).

Playing in co-op (sharing one company) is where LAN truly shines. You can divide roles:

: If you have 3 or 4 human players, limit the AI to low-difficulty characters (like Bente Jorgensen). High-tier AI can trigger massive wars that lag the game session early on.

The Co-op mode, added in a post-launch free update, is a game-changer for LAN parties. Here's how it breaks down:

Both players launch Anno 1800 through Ubisoft Connect or Steam. anno 1800 lan multiplayer

Playing against real humans requires a different approach than outsmarting basic AI.

: A misconfigured firewall is a classic source of multiplayer problems. You should add an exception for the main Anno 1800 executable file ( .exe ) in your Windows Firewall and any third-party antivirus software. This is often more reliable than trying to open individual ports, as the software will intelligently allow all necessary connections.

: Set the autosave interval to 15 minutes in the gameplay options. If a local PC loses power or drops connection, the host can easily re-host from the latest save file without losing hours of progress.

If players cannot connect despite being in the same room, configure the local network router to forward the specific ports used by Ubisoft Connect and Anno 1800 (specifically UDP ports 18000, 18017, and 18019).

: Use your influence points to alter the local newspaper. Boosting consumption reduction or increasing income can save your economy during a wartime crisis. 6. Best Settings for a Smooth LAN Session When players initiate a "local" multiplayer session, the

Anno 1800 is available on PC, PlayStation 5, and Xbox Series X/S. Before planning your multiplayer session, keep the crossplay limitations in mind:

option to allow friends to join without a direct invitation. Invite Players button to bring friends into the lobby. : If using mods, every player must have the exact same versions installed to avoid desynchronization. Multiplayer Modes & Dynamics Anno 1800 supports up to 16 players across four factions. Co-Optimus Co-op Mode

The game automatically saves on the host’s machine (and syncs to their Ubisoft cloud storage).

does not officially support "pure" offline LAN multiplayer because the game requires an active connection to Ubisoft Connect

As of 2026, the answer is nuanced. While Anno 1800 does not feature a traditional, built-in "LAN Mode" for offline play, it offers robust online multiplayer capabilities that can facilitate local gaming under the right conditions. Playing in co-op (sharing one company) is where

The most common pitfall for new players is the invitation process. Do not use your platform's (Steam, Epic) built-in invite feature if it isn't working. Instead, follow these steps:

Select the '+' icon to invite your friend via your Ubisoft Connect friend list.

: As the game progresses across multiple regions (Old World, New World, Enbesa, etc.), use the number pad keys to switch between instances quickly. Shared Strategy

This report details how LAN-style play is achieved, its technical requirements, advantages, disadvantages, and practical performance considerations.