This setup eliminates the need for traffic to route through external matchmaking servers during the session—reducing latency and avoiding internet hiccups—but the authentication still requires an online handshake at launch.
Anno 1800 , but it requires a bit of clarification. The game does not have a pure, fully offline LAN mode that bypasses Ubisoft Connect entirely. Instead, the "LAN mode" functions as a peer-to-peer connection over your local network while still requiring each player to be logged into Ubisoft Connect (and have the game in their library).
There is nothing quite like the hum of dozens of steam engines and the frantic clicking of mice in a room full of friends.
: You can create Custom Sessions for private games with friends or use Quick Match to find random opponents. How to Set Up a "Local" Multiplayer Match