About game
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Release date
1970.01.01 (Xbox)
2007.10.10. (Original)
Genre
ShooterPuzzleDeveloper
ValvePorting
EA UKPublisher
ValveElectronic ArtsEngine
SourceMode
Single PlayerMultiplayerCo-operativePerspective
First Person 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.