These are general "connection failed" errors. Try the following steps:
You can have up to 16 players in total, divided into 4 factions. Crossplay:
Ensure every player has the exact same version of Anno 1800 installed. Check the minor build number on the bottom corner of the main menu. anno 1800 lan multiplayer fixed
Click in the left panel, then select New Rule in the right panel. Choose Port and click Next .
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. These are general "connection failed" errors
If you desync, don't just reload. Have the host load the save in Single Player , let it run for 1–2 minutes, and then save again. Invite your friends to this new save.
If by "LAN multiplayer fixed" you mean "Can I play with someone on the same network without jumping through hoops?"—then the answer is . The 2025 patches have resolved many underlying synchronization and connection issues that previously made same-network play unreliable. Players can now successfully host and join games from computers on the same router with reasonable consistency. Check the minor build number on the bottom
. While the "LAN" experience can be simulated by playing with others on the same local network, the game still relies on remote servers for matchmaking and session management, which remains a point of contention for players during server outages. Multiplayer Review: Current Status (April 2026)
Are you playing via a or an online LAN/VPN setup (like Hamachi)?