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Half-Life 2: Episode One Hints
Poison Headcrab Tips
1 of 4: The first one is in the doorway that's on the left.
2 of 4: Move forward carefully with the gravity gun ready, then hit it with a primary-fire burst as soon as you can see part of it.
3 of 4: Then peek around the corner and give it two more bursts to kill it.
4 of 4: For the next two, go through the doorway so they can see you, then retreat and gravity-blast them or let Alyx shoot them for you.
