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Contents  Game Requirements MINIMUM SPECS/ PC Disk Drive: DVD-ROM DirectX: 9.0, Mac OS X will use OpenGL 3 Hard Drive Space: At least 7.5 GB of free space Operating System: Windows 7, Vista, Vista 64, XP, MacOS X 10.6.4 or higher ( Snow Leopard Graphics Update required ) Processor: 3.0 GHz P4, Intel core 2 duo 2.4GHz or better recommended RAM: 1 GB for XP / 2GB for Vista, Mac Video Card: nVidia GeForce 6600 or higher / ATI Radeon X800 or higher • • • • Plot The campaign poster for, the final campaign in the game. The plot is similar to Left 4 Dead; it involves the aftermath of one week after the events of the previous game, now being around three weeks after the first Infection. The story starts around noon in Savannah, Georgia. As the last rescue helicopter leaves the building, four unlucky Survivors climb up the hotel to find that they were just a couple of seconds too late. With this newfound predicament, the group decides to go to a mall, where it is said that another evacuation center is still in operation. When the group reaches the mall, they find that it has been overwhelmed by the Infected.
In desperate hope, they decide to pierce deeper into the building in hopes that the evacuation center was simply deeper inside. It turns out that the center was decimated, and all the agents are either dead or infected. In despair, the group wanders into the mall's atrium and finds a functioning stock car, albeit without gas. A new idea appears in their heads; to scrounge around the atrium in search of gas cans, for the purpose of filling the car's tank.
This proves successful, and the Survivors escape Savannah. During their escape, the group stops at a bridge raised by three of the original Survivors from Left 4 Dead. One of them will meet the Survivors and inform them that they cannot lower the bridge for the group because the generator that used to lower the bridge is out of fuel, and they must tend to one of their own who is wounded. After battling through a wedding with the, the streets, and a 'historical sewer,' the Survivors then meet up with the other three again.
After the three original Survivors agree to help by defending them from higher ground, the Savannah group is able to fend off most of the Infected, find gas cans, fill up the generator, cross the lowered bridge, and drive off while exchanging farewells as they continue to New Orleans. The escape car works well until the Survivors find that the highway is blocked by abandoned vehicles, seemingly going on for miles. Finding no other way past, the Survivors leave the car behind and proceed by foot.