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Half-Life Hints
How do I move on past the ichthyosaur pool area?
1 of 10: First, kill the ichthyosaur.
2 of 10: Then enter its pool.
3 of 10: Look around underwater. See anything interesting?
4 of 10: There is a large water grate that is closed, but that seems to lead elsewhere.
5 of 10: The controls to the grate are underwater as well.
6 of 10: The wheel nearby will open the grate.
7 of 10: However, the moment you let go of the wheel, the grate starts to close again.
8 of 10: So you need to open the grate all the way and swim under quickly so that you don't die from lack of air.
9 of 10: After passing through the grate, you do not have very far to go before you can get air.
10 of 10: An alternative way is to ready the crowbar and let the barnacle that's nearest the broken walkway piece with the door past it latch onto you. Whack it with the crowbar and immediately lean on the up arrow key, and you should end up on the walkway and can then go through the door.
