Yes, you can play ETS2 offline via LAN using the TruckersMP launcher's "Local" server option. The goal: Drive from Calais to Berlin. The fun: Honking your horn when you pass your friend going the opposite direction. It is the most relaxing LAN game on this list. Perfect for a Sunday afternoon.
Before Rainbow Six Siege became a hero shooter, there was SWAT 4. You play as a police squad clearing rooms. LAN play is mandatory because the AI teammates are suicidal. You must co-ordinate "peek and lean," use the Optiwand under doors, and yell "Compliance!" before tasering a suspect. best offline lan multiplayer games for pc