All players must have the same version of the game and the same set of DLCs enabled. If using mods, every player must have the exact same mods and versions installed. Account Linking:
Because Anno 1800 still relies on Ubisoft Connect, LAN discovery can be finicky. Try these fixes: anno 1800 lan multiplayer link
does not feature a dedicated, "offline" LAN mode, you can play with others on the same local network by using the standard online multiplayer system. This requires all players to have an active internet connection to authenticate with Ubisoft Connect All players must have the same version of