Assuming you're including the DLC (As of 2013)
No Mercy, Crash Course, Blood Harvest, Dead Centre, The Sacrifice, The Passing, Dark Carnival, Swamp Fever, Hard Rain, The Parish.
(Campains not canon in the story line)
Dead Air, Death Toll, Cold Stream.
(Not Including L4D1 Crossover DLC)
Dead Centre, The Passing, Dark Carnival, Swamp Fever, Hard Rain, The Parish.
(No DLC)
Dead Centre, Dark Carnival, Swamp Fever, Hard Rain, The Parish.
Yes there is split screen for left 4 dead 2.
4 players can play in Left 4 Dead 2.
It is a Key that will unlock the Left 4 Dead 2 in your steam library
You can purchase The Sacrifice DLC for Left 4 Dead 2, which has you play as characters from the first game. Additionally, you can put character skins of the original characters onto the characters of Left 4 Dead 2 (Only in the PC version)
gnome chopiliski or i cant spell its name its a gnome you try to win in the left for dead 2 dark carnival part 2 you can use it to wack zombies and if you last 5 levels until you survive and beat the concert with gnome chopoliki you get an acheivement it will be hard make sure you take your time and try to find gnome chopoliski
Hotel, Streets, Mall and Atium Finale
No, you don't unless you want to get a campaign winning achievement.
Left 4 Dead 2!!
No
Yes there is split screen for left 4 dead 2.
left 4 dead 2 can be downloaded from Steam
yea so is left 4 dead 2
no, left 4 dead 3 would not have the same characters as in 1 or 2
Pre Order from Game Stop or find it in the Dark Carnival
Actually, Left for Dead and Left for Dead 2 are based on the remade Dawn of the Dead.
4 players can play in Left 4 Dead 2.
No, Left 4 Dead 3 is not coming out. There is only Left 4 Dead and Left 4 Dead 2. Both fun games.