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Half-Life 2: Episode One Hints
How can I get this one open?
1 of 6: The same way you got the previous one open -- find its power box and turn the power back on.
2 of 6: Search down the tunnel past the power-lock door, but watch out for two barnacles and several fast headcrabs down there.
3 of 6: After finishing them off, look around at the very back of the tunnel.
4 of 6: On the left wall near the back is an open doorway that leads to a power box and some supplies.
5 of 6: Use the power box to get the power turned on.
6 of 6: Don't rush back to the tunnel, though -- stay near the power box while Alyx shoots the zombies that shamble in through the doorway. (You can help out by throwing flares or cement chunks at them, but it probably won't be necessary.)
