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Half-Life 2 Hints
Barnacle Tunnel Tips
1 of 3: Before you start down the tunnel, jump onto the red car nearby and crouch-walk over it to reach a supply crate with two health kits in it.
2 of 3: The barnacles in the tunnel can be avoided, but it's probably easier to equip the crowbar, let them grab you, then whack them when they pull you in.
3 of 3: When you come to a spot in the tunnel that's blocked by a large pipe segment, you'll need to crouch-walk through it.
