About game
Show more
Release date
1999.11.01 (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 account
Official cover for Half-Life: Opposing Force on Steam
This is an official image pulled from this game's platform. If it changes, it will also automatically update for you.
Join PlayTracker and unlock this reward!
