Yes, you can launch Half-Life 2 without Steam (though you still have to download it through Steam, and so you still will need to install Steam to download Half-Life 2). Synergy enables you to play through the Half-Life 2 series and many other singleplayer Source Mods cooperatively with friends. Is Black Mesa co op?ĭoes Black Mesa have Co-op or Multiplayer? Yes.
It features new levels, optimized for multiplayer arena play, and a few new weapons. Released on Steam on November 30, 2004, it uses many of the assets from Half-Life 2 and its Source engine. Half-Life 2: Deathmatch is a multiplayer first-person shooter video game developed by Valve.