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Half-Life: Opposing Force Hints
How do I get into and out of Specimen Observation Area 3?
1 of 8: Getting into Specimen Observation Area 3 is quite straightforward. Just find your way out to the damaged observation deck.
2 of 8: Two tentacles await your arrival, so be quiet.
3 of 8: You can use the shockroach to sink a tentacle for a few seconds if you need to sneak by it or nab some items from near it.
4 of 8: There's a large hole high up in one the observation area's walls.
5 of 8: There are also some alien spores attached around the hole.
6 of 8: You can use your barnacle to swing yourself up and into that hole by latching its tongue onto one of the spores.
7 of 8: Target the one you see on the ceiling of the little room beyond the hole.
8 of 8: Once in the hole, crawl into the exposed air duct and drop into a fan maintenance area.
