CheatCodes.com: Hints and Tips for Half-Life: Opposing Force Expansion Pack for PC

Original Levels
You can play all the Half-Life levels that Gordon Freeman went through as Adrion Shepard, but in the lab none of the scientists will talk to you.
Submitted by: Anonymous User Added: 14 Sep 2001	Report this Hint as: An Unlockable \| Broken

Hidden Audio
Approach the Boss of Opposing Force to hear backwards audio composed of the phrase "To win the game you must kill me Randy Pitchford" when played correctly. Randy Pitchford is the leader of the development team at Gearbox Software.
Submitted by: Anonymous User Added: 14 Sep 2001	Report this Hint as: An Unlockable \| Broken

Half-Life: Opposing Force Expansion Pack for PC Hints and Tips