About game
Show more
Release date
2015.03.27 (Steam)
2004.11.16. (Original)
Genre
ShooterDeveloper
ValvePorting
NVIDIA Lightspeed StudiosPublisher
NVIDIA Lightspeed StudiosValveSierra EntertainmentEngine
SourceMode
Single PlayerPerspective
First PersonTheme
ActionScience FictionHorrorMore tags
Silent ProtagonistBuildingAlternate HistoryDystopianZombiesAliens Challenges
Go to QuestNo challenges available for this game right now.
Rewards
Create your accountIf you master (unlock all core achievements) or perfect (unlock all achievements) this game, you will automatically unlock all rewards and any reputation spent will be refunded.