Now available at FileShack is the F.E.A.R. Perseus Mandate demo, for those of you interested in trying this new stand-alone expansion pack where you play as a different F.E.A.R. soldier, encountering enemies never seen by the team in the original game. The 735mb demo includes the Underground level. nope Developed by TimeGate Studios, F.E.A.R. Perseus Mandate is due out November 6. It will also be part of the F.E.A.R. Files release for Xbox 360, which includes Perseus Mandate and the earlier expansion pack Extraction Point.