It's important to note that everything carries over between areas, such as your health, weapons, and ammo. Upon reaching a safe house, close the door once everyone's safely inside to complete the level and move onto the next. Each campaign is sub-divided into areas with the goal generally being to make it to the safe house at the end of each one. More specifically, your group of four will have to work your way through the zombie-infested streets broken up into 5 campaigns. Achievements: Check out the achievement list!.Infected Types: Find out more about the various zombie types you'll be encountering.General Tips: Check out our tips for venturing through the zombie-infested city.
Here's what you'll find in GameSpot's Left 4 Dead 2 Game Guide: It's up to you and three others to work your way through the dangerous streets to a series of safe houses, and finally to a point of extraction…five times over. Think about that for a second…one of four humans left after the viral outbreak turned the rest of the city into zombies.
