premise: TimeGate Studios has released two expansion packs, "F.E.A.R. Extraction Point" in October 2006, and "F.E.A.R. Perseus Mandate" in November 2007.
hypothesis: TimeGate Studios has released two expansion packs, "F.E.A.R. Extraction Point" in October 2007, and "F.E.A.R. Perseus Mandate" in November 2007.