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Half-Life: Opposing Force Hints

Where do I find my downed helicopter?

1 of 4:
Once you make it out of the building, navigate along the cliffside and find a way through to the other side of the cliffs.
- The pathway along the cliffside has been destroyed! How do I get across?
2 of 4: You can do so by finding a small, green shed with its door blown off.
3 of 4: Inside, you will find a headcrab and a small crevice that you can crawl through.
4 of 4: The crevice leads to some piping that you can slide down to get to the vicinity of your downed helicopter.

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