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The joining player uses the connection string from the host to join the LAN game directly.

To build an industrial empire with your friends locally, you can create a by configuring a private custom match. This guide explains how to establish this link, optimal co-op settings, and quick fixes for local network errors. How to Create a Local "Virtual LAN" Link

One player goes to Multiplayer > Create Game .

: Open Anno 1800 and ensure you see a green "Connected to Matchmaking" icon on the right side of the screen.

Follow these steps to link your systems together and launch a local multiplayer game. 1. Form Your Ubisoft Connect Party

If you're experiencing lag, disconnects, or can't see your friend's game even though you're on the same network, these advanced steps will help.

Invite your friends from your Ubisoft friends list.

The hosting player is responsible for starting the game session and generating the connection details for other players.

If all players are physically located in the same building, follow these steps to optimize your local network link. Network Hardware Configuration

: An active internet connection is mandatory to set up or load a multiplayer session. Unique Accounts

A: No. Anno 1800's DRM and multiplayer infrastructure require an internet connection to Ubisoft's servers at all times.

All players must have the same game version and the same set of DLCs enabled. Mismatched DLC will make the lobby incompatible. The host’s DLC selection determines what everyone plays with.

Some sources, including PCGamingWiki, list "LAN Play" alongside "Online Play" for Anno 1800. This can be misleading. In this context, "LAN Play" typically refers to the ability to play a private online game with people in the same physical location, not a true offline LAN mode. The game's own developers and the community have confirmed that an internet connection is always required for multiplayer.

Over a true wired or 5 GHz Wi-Fi LAN, Anno 1800 runs extremely well. There is no perceivable input delay. However, because the game’s simulation is deterministic and synchronized, the overall game speed is capped by the (especially late-game when populations exceed 50,000). LAN does not solve simulation lag caused by CPU bottlenecks.

Let me know your setup so we can get your industrial empire up and running! Share public link