F.E.A.R. Online will launch on Steam for PC on October 17. Included with F.E.A.R. Online are ten multiplayer maps and various game modes, one of which is a co-op mode that supports up to four players. The game's storyline runs parallel to that of F.E.A.R. 2: Project Origins. There will be an open beta for F.E.A.R. Online on October 8. You can sign up for the beta here.