Uploaded July 2022 | Updated September 2026, 1 week ago

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Scientist Gordon Freeman and Alyx Vance attempt to slow an unavoidable chain reaction that will destroy City 17.
Facing heavy resistance, they must evacuate the city and save its residents before all is lost.

00:00:00 Intro
00:02:03 Undue Alarm
00:24:06 Direct Intervention
00:42:46 Lowlife
01:04:23 Urban Flight
01:55:01 Exit 17