when you throught the map. Something new is a cop, as you guys can see that is a bit difficult to kill, because he wears a kevlar; and theres "new bosses" too, as you guys can see all over the internet, about new chars. OF COURSE they had to create new campaign and new ways to play Left 4 Dead 2, just to be a bit different from first, new weapons and new playable chars... just that! It is exactly the same the first L4D. This is not a new game, this is just an expansion. ... Left Dead ...