Team Fortress 2 is amazing and will never get old. Left 4 Dead 2 is fantastic and a whole lot of fun. But for "realistic" console multiplayer, Bad Company 2 is the king.
I'm gonna have to second this, and add the stalker games.Dragons In Space said:For singleplayer, Metro 2033. For multiplayer, Shattered Horizon.
Speak for yourself ;P.Furburt said:ArmA II, at the moment.
I love that game. It with the ACE2 mod is the closest thing to real combat you'll ever experience.