In Linea: Euro Truck Simulator 2

You can take the exact same contract as your friends, ensuring you all drive the same route to the same destination.

Includes a functional CB radio for voice chat with other drivers in your session. Euro Truck Simulator 2 in linea

By default, sessions support up to 8 players , though some community workarounds can expand this to 128 for private servers. You can take the exact same contract as

Introduced in the 1.41 update, is the official multiplayer mode integrated directly into the game. It is designed for players who want a polished, synchronized experience with a smaller group. sessions support up to 8 players

Time, weather, and AI traffic are perfectly synced across all players in the session.