Achievements
Zombie-que
Zombie-que

Use flares to light 15 zombies on fire.
Use flares to light 15 zombies on fire.
Counter-Sniper
Counter-Sniper

Kill all of the snipers in City 17.
Kill all of the snipers in City 17.
Attica!
Attica!

Destroy the gunship in the hospital attic.
Destroy the gunship in the hospital attic.