F.E.A.R. has gripped stores nationwide again. Sierra today made available FEAR Perseus Mandate, the second expansion pack for the PC, as well as FEAR Files, a complete stand-along expansion pack series exclusive to the Xbox 360.

Perseus Mandate has players take on the role of a second FEAR team investigating the events at Armacham. It includes new multiplayer modes, and a new storyline. FEAR Files similarly features both Perseus Mandate and Extraction Point in one package, offering new Instant Action and multiplayer maps, new weapons and more.