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Half-Life: Opposing Force Hints
How do I get into and out of the Specimen Observation Area 1?
1 of 8: Start for the far end of the observation hall and head for the door.
2 of 8: The door is locked, but when you turn around and start back, some aliens will teleport in.
3 of 8: Two pit-drones and a shocktrooper wait for you at the entrance into the Specimen Observation Deck. Take them out using careful sneak-shooting to minimize damage to yourself.
4 of 8: The shock of their teleporting in broke one of the windows looking out into the specimen area.
5 of 8: Take warning from the dead houndeyes laying around. Something big is waiting for you. Jump down and pull out some heavy weaponry.
6 of 8: Waste the voltigore that teleports in and begin looking for a way out.
7 of 8: A small panel is open, revealing a door. That's your exit.
8 of 8: You could just run for the door and hope you get lucky, or you could maneuver around the rocks and zap the creature repeatedly with your shockroach. Voltigores are really lousy at maneuvering around things, and they may get stuck in a position where you can shoot them but they can't shoot you.