The video above is the Alienation The One Who Knocks Walkthrough and shows how to complete The One Who Knocks mission in Pripyat, Ukraine, the location featured in Alienation.
Note: The video walkthrough was recorded while playing the game on Professional difficulty, and covers the following objective(s):
Kill the Xenos reclaimers.
Collect the red mercury.
Restart the gernerators.
Open the blast door.
Destroy the electrovores.
Proceed to evacuation point.
