SHN Rating for Left 4 Dead 2: ★★★★ with special guests Daryl and Merle Dixon and Claire Redfield Pennsylvania suffers an outbreak of "Green Flu"; a highly contagious virus causing extreme aggression, mutation to the body cells, and loss of higher brain functions. Two weeks after the first infection four immune survivors—William "Bill" Overbeck, a Vietnam veteran; Zoey, a college student; Louis, an IT analyst, and Francis, an outlaw biker—make their way through the city of Fairfield, only to discover that the virus is creating more dangerous mutations. After narrowly avoiding these new infected, along with hordes of others, the survivors are alerted to the presence of an evacuation point at the nearby Mercy Hospital roof by a passing helicopter. Fighting their way through the city's streets, subway and sewers, they are rescued from the hospital's roof by the pilot, only to discover he is infected
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