We've all heard of Area 51, but no one knows about Area 53. Area 53 is a top secret government facility on the moon that is used for alien experiments. We've learned that a test subject has escaped containment in the Dark Sector, the sector of Area 53 where the most classified projects are kept. The alert sirens sounded off and the station went into lockdown, the lead scientist, Dr. Bishop is now missing. Your team is being sent in to contain the situation and get back to earth within 60 minutes.