If you can’t even get your friends into the same lobby, the issue is usually related to how communicates with your network or the game client.
Ensure your router allows traffic on UDP/TCP port 18000 , which is the official port for Anno 1800's multiplayer services. 2. Solve "Desync Detected" (LR40) and "Trajan" Errors anno 1800 lan multiplayer fixed
Long-running multiplayer games can suffer from "lag" when players switch sessions (e.g., moving from the Old World to the New World). If you can’t even get your friends into