5 ›Straight ridge room with pss behind crates in image 3.
4 ›Ridge room. The shape is straight but you have to go around a rock to exit. Exit directly across from entrance. No ss or pss.
5 ›(NORMAL EXPEDITION RIDGE) A straight ridge room with a code breacher room pss if you crouch and look down behind crate or go behind shelf. Possible chance of a speaker but it will not affect you when inside the code breacher room.
4 ›A straight ridge room with window on left meaning chance of eyefest. There can be a shelf which if you slip behind is pss in image 3.
4 ›A simple straight ridge room with 2 side rooms for pss. Nothing more nothing less.
4 ›A room where you have to crouch to enter and exit. Pss on the left upon entry behind crate in image 2. Crouch and look down.
4 ›A right turn room with a window and side room pss after the right turn near exit.
4 ›A server room with 4 rows of servers but there is a path that splits through them. Pss is behind one of the servers as long the server you're hiding behind is not between the entrance and exit. Also be careful of the small gaps between servers.
6 ›A room that goes to the right where in the top corner of the roof on the left side of room will be a turret which will scan a full 90 degrees of the room but only to a certain range (it cannot reach entrance and exit door). PSS is shown on 6th screenshot.
6 ›Left turn room in the Default roomtype with a staircase leading to the lower floor that is PSS. Wall dweller will appear in front of the staircase downstairs.