Caldera 5: United We Fall

Infected Ragers on one side, Marauders on the other, Hatcher and his people find themselves pinned between a rock and a hard place.
On the off-shore Navy frigate Kauffman, an infected researcher threatens the lives of everybody onboard the new floating CDC laboratory.
Within the infected, certain disturbing traits are observed that cause survivors to question everything they thought they knew about the virus that devastated mankind.
In the battle for supremacy, who will come out on top?

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