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Half-Life: Opposing Force Cheats for PC - Windows

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This page contains Cheats for Half-Life: Opposing Force organized by sections for PC - Windows. Half-Life: Opposing Force is a Action Shooter First-Person game, made by Gearbox Software, released on Oct 31, 1999. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.

Game Boxshot & Details
Half-Life: Opposing Force Cheats Boxshot
  • Developer:

    Half-Life: Opposing Force PC - Windows Cheats

    Gearbox Software
  • Publisher: Sierra Entertainment
  • Genre: Action Shooter First-Person
  • Release: Oct 31, 1999
  • ESRB: Mature

Game Hints

Change Time Once you start the "WE ARE NOT ALONE" chapter of the game, go left to the door. If you open the door, you will see Gordan Freeman run into the portal that tak...

From: Marcotheking
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