Because Anno 1800 synchronizes thousands of moving parts, AI ships, and production cycles across all clients, network instability can cause severe desynchronization ("desync") errors. Use these network optimizations to stabilize your local link: Use Wired Ethernet Connections
Reduce the game speed. Running a massive multiplayer map on "Fast" or "Fastest" speed increases the strain on network connections and CPUs. Drop down to normal speed.
A unique feature of Anno 1800 LAN multiplayer (often ignored) is the mode. For a true LAN party experience: anno 1800 lan multiplayer link
Up to four players can control the exact same corporation. You share resources, islands, ships, and finances. This is ideal for managing massive, multi-session empires collectively.
Once everyone is connected and friends, follow these steps to set up the game: Because Anno 1800 synchronizes thousands of moving parts,
Choose between a match (sharing control of the same corporation) or a Versus match (competing as rival empires). Set the lobby privacy to Friends Only or Invite Only . 3. Invite Local Players
Disable any active VPNs, as these can interfere with the "local" routing of the data. DLC and Compatibility Drop down to normal speed
Turn off the game, navigate to Documents\Anno 1800\accounts , and delete the temporary cache files.
Launch the game through Ubisoft Connect.
Follow these steps to establish your local multiplayer session: Step 1: Add Friends on Ubisoft Connect