Left 4 Dead takes on Zombie Army Trilogy - Official Steam Update Trailer
** 66% OFF ON STEAM UNTIL AUG 24! **
The entire cast of Left 4 Dead 1 & 2 have been zapped back to World War 2 in this FREE update for Zombie Army Trilogy on Steam!
Get ZAT on Steam: http://store.steampowered.com/app/301...
Get the FREE comic tie-in: http://www.zombiearmy.com/free-L4D-comic