The Sewers is a location seen in F.E.A.R. Perseus Mandate.
F.E.A.R. Perseus MandateEdit
The sewers are vast, and encompass more than an entire city block. The sewer also seems to have extensive above ground facilities, but only a fraction of these are able to be visited by the Sergeant. The sewers also have many Replicas patrolling within it, including a Heavy Armor.