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Short room with normally a locker in the middle, identical to the room 1Locker. The room is not loaded as it is impossible to open the door. The room always appears only after SearchlightsEnding, but you may not normally access it as it is out of bounds, and the game always ends in SearchlightsEnding.

Guaranteed first room after Submarine Dock #149. Room is split into three main sections: an entry right-turn room with a side room with grated wall that contains one BL1 (Neloprephine) syringe; a middle room that looks and functions as a "side" room with two doors to either section; and an exit section with a downslope ramp to the exit door that resembles OutskirtsDownPlatform. Due to the room being prior to the Crooked spawning, neither Pipsqueak nor Rebarb can spawn here, making the room a deadzone. PSS/SS are behind the crates at the start of the room. Hunted only.

Guaranteed checkpoint room right after Room100 in The Ridge. Small room with purple keycard and a pair of doors, the door to the next room on the other side, and a checkpoint side room on the right. PSS/SS is either standing behind the wall in between the window and the doorway inside the checkpoint side room, or sitting to the left side of the window inside the checkpoint side room right in the corner. The room is a dead zone. The Ridge document is located on the large shelf inside the checkpoint side room.

Guaranteed room at the end of the Outskirts in the Hunted Expedition. The room has two sections - an Outskirts section with a curved corridor to the extendible bridge marking the end of the Hunted, and a Blacksite section on the other side of the bridge. The Crooked despawns here after saluting the player and returning across the bridge. One of the side doors opens to a downward staircase which leads to a locked door unlockable by the decrypted code from the radios throughout the expedition, leading to a tram to continue gameplay in the Vault. Given no other entities from previous rooms enter from prior, the room is a deadzone. No confirmed PSS/SS, though the staircase is a theoretical PSS/SS. Hunted only.

Linear room, functionally and almost visually identical to LongStairsUp1 in the Main Expedition (one image from said room attached for comparison). As this is at the end of the Hunted Expedition, this room is a dead zone. PSS/SS behind the crates on the right side at the start of the room. Hunted only.

3-way destroyed room in the Default roomtype with a collapsed ceiling in the right side and a staircase going up at the left side. SS at any wrong way, PSS is either all the way up the stairs or behind the 2 lockers nearby the door on image 3.

Multiple SS/PSS Depending on the door's location. iI theres a locker and you see the path look up for it to be Pande safe. Basic Room with the door either being Straight, RIght or Left. The Boxes are sometimes the safest option.

A 3-Way room filled with Abstract Art. A long hallway to the right of the room. [[PSS: IF the next room is to the right hallway, go behind the drawer and do what I am in image 4.]] [[PSS: IF the next door is straight ahead from the enterance door, go to the side of the locker like I am in image 3.]]

Variant of 3WayMultiFloorLeft with Abstract Art. One of them holds the document. Always dark. PSS/SS is on the top platform if correct door is straight, or by the straight door below the stairs and the side room in the middle if correct door is upwards.

A hallway with a lowered section attached to it and abstract art. There is a PSS behind the stairs. Crouch and look down (picture 6)

Variant of 3WayZigZagStairsWindow with Abstract Art. One of them holds the document. Always dark. PSS is any locker/shelf/desk PSS in the incorrect corridor, SS by incorrect door.

A 4-way intersection. Notably, this room has many Abstract Art scatted around, and possibly the Abstract Art document. These papercraft-like entities will not attack the player in any way. One can hide in a PSS/SS beside a locker, like seen in image 4. (See images from top to bottom, and left to right)

Special variant of the Intersection rooms with Abstract Art statues throughout the room. One of the statues will be holding the document for Abstract Art. Appears to have the same entry door position as Intersection4. PSS/SS ONLY if exit door is not the furthest door, being behind any of the wall outcroppings beyond the exit door if true.

"Take My Hand." The Actual End of The Vault/Mantle Extraction gameshow by The Hosts. To finish, the player must walk forwards to the Big Ol' Sphere known as The Vault and collect the Mega Token. After that, the player will be sent to the menu. Congratulations. :)

A room in the Blacksite Administration roomtype consisting of an office directly referencing the starting office area of the videogame "The Stanley Parable" by Crows Crows Crows, with its room name referencing said game's protagonist Stanley, also known as Employee 427. Hiding in any sideroom is PSS/SS. Notably, 1 of the 2 candidates for the current rarest room after Worth The Wait Part 1.

4-way room in the Blacksite Administration. PSS/SS in the corners any of the sideroom where you will not be seen through the doors.

4-Way room in the Blacksite Administration, 4 siderooms each having 2 entrances/exits that can work as PSS as long as you are not seen through the door which nodes pass by.

A room that starts off with a long hallway, then branches off into a big library type room to the right. when turning, go to the bookself furthest left and hide behind it for pss.

4-way enormous room in the Blacksite Administration. Eyefestation may spawn on the top of the room. PSS/SS are near the dead end doors behind lockers/tables.

A large 50/50 starting room of the Blacksite Administration with 2 long bridges on the left and right sides that lead to the Blacksite Administration and a pit in the middle that you can fall into and die. The room has 2 SS, first one is right behind the table that is right in front of the start of the room by the pit that can be seen on image 2, go behind it and stand on the rocks, be careful to not fall down the pit. Second SS on the second half of the room behind the table in the center of the room which can be seen on image 6, open all the drawers on all sides, go precisely in the middle and face the chair, go backwards as much as you can and look down while still facing the chair, it is not tested if it is PSS.

A square admin room type with 2 side room pss and a window. Structure in image 7 drawing.

Administration room with sea bunnies ahead from the enterance. there are also 2 dual-door side rooms to the right of the sea bunnies. as well as a hallway that goes around said side rooms. stay in the side rooms out of sight to hide from pandemonium.

the room's layout consists of a straight hall leading towards an intersection where you can go to the right to enter a pss to the side of the bookshelf like the one you see on image 2 you can go straight to enter the bunny area which has multiple ss's like standing on the tilted glass wall or standing next to the left platform crouching and looking down, if you go to the left there will be another intersection in which you can either go right which is a little walk in which the left wall has 2 side rooms both of which containing pss/ss's and after that you will find another intersection in which you can go right to reach another pss (the one in image 6) you can go straight to go straight towards a locked door (image 8) also an ss or to the left towards another hall in which you can stand beside the left wall that counts as a pss or you can go forwards and turn left towards another hall which has the exit door on the right wall and 2 other entrances to the before mentioned side roomsor you can go straight and turn to the right to go back to the second mentioned intersection

Sebastian's shop in the Blacksite Administration, always locked, the keycard always spawns inside Sebastian's shop where you can find numerous items for research. PSS/SS inside the shop or behind the walls of the area where the shop is.