|One of Left 4 Dead’s most interesting boards is Dead Air. We stepped up the challenge for a little more intensity so we are playing on the advanced difficulty. Just to get you started with Dead Air grab your usual utensils and make sure to grab a pipe bomb. Walk over the dirt ramp until you can see all of the zombies then chuck a pipe bomb to thin out their numbers. If your still a little nervous go grab a second pipe bomb and that should pick up the stragglers. After that its business as usual, make sure you take stay squat and perfect your aim which will be key to keeping the horde from overwhelming you. Stay tuned for tips and tricks for Dead Air.