About game
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Release date
2015.08.20 (Steam)
1998.11.19. (Original)
Genre
ShooterPuzzleAdventureDeveloper
ValvePorting
Gearbox SoftwarePublisher
ValveSierra EntertainmentEngine
GoldSrcMode
Single PlayerMultiplayerPerspective
First PersonTheme
ActionScience FictionHorrorThrillerWarfareMore tags
Multiple EndingsConspiracySilent ProtagonistMilitaryAssassinAliens 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.