Valve has given us an onslaught of pretty much anything you could have ever imagined, from head crabs, to zombies, and creatures from other realms. None have been more of a headache than the hordes of zombies and special infected. How do we handle that while fending off a tank and avoiding spitter goo? What about surviving a mall and filling up a gas tank? Explicit Gamer has written this guide to help you get out of New Orleans, scratch free.