Desyncs occur when the game state differs between players' computers.
Anno 1800 does not support Steam Family Sharing for multiplayer. If you try to launch the game via Family Sharing while the owner is playing, Steam will prevent you from launching. Therefore, for a legitimate LAN setup, each PC needs its own license.
Only the host needs to own the cosmetic DLCs for everyone to see them. However, for major gameplay expansions (like The Passage or Sunken Treasures ), all players must own the DLC for those regions and mechanics to be active in the session.
Instead of declaring military war, quietly buy shares in your opponent's primary production islands. This siphons their income and allows you to execute a hostile takeover later. anno 1800 lan multiplayer
: If players are not receiving invitations, ensure that everyone's Ubisoft Connect overlay is enabled. Go to Ubisoft Connect Settings -> General -> Check "Enable in-game overlay for supported games."
This round-trip introduces unnecessary latency. A true LAN architecture would route: Client A -> Router -> Client B
Ideally, all players should own the same DLCs. If the host has DLCs that others don't, those features may be disabled for the session to ensure compatibility. Desyncs occur when the game state differs between
Disable aggressive local firewalls or network-optimizing software (like Killer Network Manager) on players' PCs, as these often mistake peer-to-peer gaming traffic for security threats. To tailor this guide for your specific setup, let me know: Are your players using PC, PlayStation 5, or Xbox ? Do you plan to play competitively or cooperatively ?
However, you can still seamlessly replicate the classic LAN party experience over a local network by hosting a custom multiplayer session, provided every player has an active internet connection and a unique Ubisoft license.
Choose "Create Game." You can set the difficulty, map size, and island types. Therefore, for a legitimate LAN setup, each PC
Open Anno 1800 and ensure your Ubisoft Connect overlay is active.
| Feature | Traditional LAN Mode (e.g., Age of Empires II ) | Anno 1800 “LAN via Internet” | |---------|--------------------------------------------------|--------------------------------| | Requires internet for authentication | No | Yes | | Works if Ubisoft servers are down | Yes | No | | Direct IP join | Yes | No | | Can bypass router | Yes (crossover cable) | No | | Desync recovery | Usually full reload | In-game resync (often fails) | | Host migration | Sometimes | No |
When you are ready to continue your LAN match at a later date: The original host must go to -> Create Match .
A common misconception among players is that Anno 1800 features a traditional, completely offline Local Area Network (LAN) mode.
While Anno 1800 does not offer a user-friendly "Direct Connect" button in the main menu for LAN play, advanced users have attempted to manipulate network traffic to prioritize local routes. However, because the game initiates handshakes via Ubisoft Connect, simply blocking internet access causes the session to terminate. Therefore, "offline LAN" is currently impossible without server emulation.