It's been a year since the incredibly addicting and entertaining zombie killfest Left 4 Dead was unleashed, and Valve has released its sequel to an excited consumer base. Filled with Spitters, Witches, Fuel, and Cola, it's a great new romp for those that loved the original. It's also much more difficult. For those that can't handle what the new AI Director is throwing at them, don't worry. We've got your back with this handy guide!It's time for us to once again change the venue of Left 4 Dead 2. In this case, we are up for Swamp Fever, the other four-stage campaign available for Left 4 Dead 2. Taking place is a creepy swamp in the middle of the night, it's definitely a startling experience, especially in the variety to be had with a campaign so singularly devoted to the swamp. Each stage is longer than your average stage, which is another interesting element. Still, you have to survive those crazy lurking swamp people somehow.

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