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Half-Life: Opposing Force Hints
How do I get out of the furnace?
1 of 6: You should be in a duct with four grates, two on each side of the duct. The grates on your right shoot out fire while the two on your left accept the flames.
2 of 6: Fortunately, one of the grates on the left is missing.
3 of 6: The one farthest into the duct and to your left is missing.
4 of 6: The flamebursts have long enough intervals that you can trail one and make it to the end of the pipe before another starts down the pipe.
5 of 6: Get into position in front of the left grate, farthest into the room, and run once a flameburst has shot past you. You should make it into the next area.
6 of 6: Once you do, quickly jump-crouch out of the flame duct with your shotgun ready to shoot the zombies.
