This page contains Cheats for Half-Life: Opposing Force organized by sections for PC - Windows. Half-Life: Opposing Force is a Action Shooter game made by Gearbox Software released on Oct 31, 1999 and published by Sierra Entertainment. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
Half-Life: Opposing Force PC - Windows Cheats
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 takes him to Xen. If yo...From: Marcotheking
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