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Half-Life: Opposing Force Hints
How do I get out of the parking garage?
1 of 7: Continue walking through the parking garage until you come to a voltigore and a few shocktroopers fighting it out with some Black Ops assassins.
2 of 7: Dispose of the leftovers and start looking for a way out.
3 of 7: A vent has fallen down onto a nearby vehicle.
4 of 7: Climb up it and into the ventilation shaft.
5 of 7: A security guard sits there. He tells you something very important. Be sure to listen.
6 of 7: The Black Ops have brought in some sort of bomb that you need to disarm.
7 of 7: Move into the nearby air duct and start looking for the bomb.