Everyone knows that the scariest things aren’t actually monsters themselves. It’s the horrors lurking in our own runaway imaginations, creatures of such impossible (and impossibly specific) phobia that our only recourse is to head for the hills long before we ever see them. That’s the power of a great horror environment. SOMA‘s Upsilon research facility, for instance, creaks, groans, and whines quietly to itself like a child who’s afraid of the dark. From there, your mind does the heavy lifting. Watch below, and then read about Amnesia: The Dark Descent developer Frictional’s core design pillars for its sci-fi madhouse.