Backrooms

Liminal Spaces are materially physical planes of reality which can be interacted with as if they were tangible locations despite possessing various inconsistencies in how reality 'functions' within them, causing them to be exceptionally unstable places where the laws of physics and nature and even ones own perception cannot be safely relied upon, which is believed to have been sourced from a combination of imitating locations within Baseline Reality they are connected to and the collective unconscious of the beings within it (mainly to fill in the gaps caused by things which don't function), thus Liminal Spaces are classified as a rare mix of Memoria and Orgone coexisting (a fact which is impossible within Baseline Reality). Most Liminal Spaces are infinite, non-euclidean environments which often invoke feelings of uncanny familiarity, eeriness, nostalgia, and apprehension upon those who end up within them, resembling distorted locations one would find in their reality of origin, though as all of the structures within them are synthetic in some form even places which would appear to have flora or life have a very fake feeling. A common theme of Liminal Spaces is an 'abandoned' or empty caricature of a familiar place or environment derived from the space's "source", often being transitional in some form, such as hallways, waiting rooms, parking lots and rest stops. While this definition is the most common type of environment present in Liminal Spaces, it should be noted that Many Liminal Spaces also take the form of places that are simply nostalgic, dreamlike, and/or uncanny, with the absence of people becoming their only unifying trait. While many traits are associated with Liminal Spaces which may be used to determine how exactly they behave and act with the scientific method, the only absolute that can be relied upon is that ore often or not there is no logic or meaning behind certain structures and properties, as most Liminal Spaces simply operate beyond such concepts.

Liminal Spaces are created at the infinite-points where "Baseline Reality" converges with Unreal Space, a 'state of existence' located on the periphery between things that exist and things that don't exist),in a way which leads to the laws of physics of the places they are derived from clashing or becoming non-functional. Living beings from standard realities may accidentally enter a Liminal Space thru various points where reality intersects with a Liminal Space (intersection points), allowing them to pass through what would otherwise be solid matter into said Space (though certain intentional methods of access have been discovered and exploited in the past). Exit is possible by discovering a pre-existing intersection point with ones reality of origin, though this is often nearly impossible due to the Perception Principle.

Perception Principle

As accidental access is possible, a population of Humans has over time accumulated within many Liminal Spaces with varying levels of organization which has allowed for the existence of certain small communities of people, though establishing a proper "society" within Liminal Spaces is nearly impossible. A rarely understood phenomena within Liminal Spaces is that their structure often only remains consistent via perception, if a route is not marked with something physical such as a string or tape, then the path travelled may not remain consistent due to the lack of measurement or perception. A group (if they run into each other in a stable point) can remain intact as everyone's perception and measurements keeps the area consistent and stable enough for said group to persist as long as they don't stray too far from their shared perception range (with said 'perception' including all physical senses, most notably sight and hearing), with multiple stable points allowing for communities to remain in contact either via couriers, travelling in a group, or wires which allow for limited communication. While many small communities and settlements do exist, contact is regardless limited and most that find themselves within a Liminal Space are left desolate and alone. Non-Human lifeforms seemingly native to Liminal Spaces are a rare occurrence, often being altered Humans or other unusual beings whose existence is rare and difficult to prove.

Certain rooms or locations naturally negate the perception principle known as 'stable points' which can be discovered as points of natural congregation (seeming appearing in many places at once, but being the same location regardless of position) where shared perception ranges can be created as long as a group remains intact, with those who stray too far easily being separated if the group perception range is exited by said individual. Liminal Spaces tend to be naturally isolating, with coming across others outside of stable points being nearly completely impossible due to their infinite scale, thus only a tiny fraction of individuals ever manage to join groups. The perception principle is also known to affect people psychologically, with those without something to 'ground them' often being subject to various psychological issues involving forgetfulness, dissociation, depersonalization, hallucinations, delusions, and paranoia especially if isolated from stable points or perception ranges, which are together classified under 'Liminal Maladjustment'.

While accidental access thru Intersection Points is the most common route of access into Liminal Spaces, groups such as the SDS Foundation have managed to create artificial Intersection Points which allow for controlled access into specific locations (with the most notable being the Portal Matrix). As navigation through Liminal Spaces without measurement is incredibly uncertain, the SDS Foundation has made use of its own measurements to utilise them as a place to hide their facilities and activities at the cost of further destabilizing the Liminal Spaces they occupy via their artificial intersection points, making those aware of their presence opposed to their activities.

Structure of Liminal Spaces

Liminal Spaces are known to be derived from two sources which coexist to give them form, with the first of said requirements being a (usually) enclosed enclosed physical location (usually tied to specific intersection points) which is then expanded as the template for an infinitely expansive space via the Noosphere of those perceiving said Liminal Spaces as the sole source of information able to fill in the non-functional gaps left behind from the initial creation of the space. Access into Liminal Spaces is made possible via the previously explained 'Intersection Points' which make follow one of two types, with the most common types being one-way access points which allow access into a Liminal Space but only offer access across said Space if used within it, and the rare type being one seen in (Semi-)Transitional Spaces which act as a intermediary state between Baseline Reality and a standard Liminal Space which allows for access to-and-from both ends. All Liminal Spaces aside from (Semi-)Transitional Spaces are wholly detached from their reality of origin with no method of interconnection beyond access.

There are multiple types of Liminal Spaces which one may encounter, with most belonging to Liminal Systems composed of multiple Liminal Spaces that have connect and amalgamated together into one cohesive structure which can be physically navigated thru from space-to-space, though travel is made much quicker via domestic Intersection Points, with each of these constituent Spaces within Systems referred to as Sub-Spaces which typically appear in a ordinal layered placement aside from Enigmatic Sub-Spaces which lack such a placement, while those too small to meet the requirements of a 'standard Liminal Space' being known as Micro-Spaces. Transitional Spaces are Liminal Spaces which are located in a intermediary position between Reality and a Liminal System (or are otherwise separate Spaces interconnected with Reality) which allow for navigation between Reality and a Liminal System, though they may rarely take the form of a location in reality with liminal properties rather than a fully-developed intermediary space which are known as Baseline-Type Semi-Transitional Spaces, which are contrasted by System-Type Semi-Transitional Spaces which are locations physically within reality but can only be accessed via Liminal Spaces and cannot be exited. Beyond Liminal Spaces which are clearly their own 'locations', many typically smaller Liminal Spaces known as 'Intra-Spaces' may be connected to a 'parent space' which are either wholly distinct despite their connection or a partially separated offshoot of their parent with one entrance (which are both either naturally created or are created via the artificial construction of enclosed physical locations being subject to "liminal properties" for extended periods of time), though some (known as Inter-Spaces) may be connected to two Liminal Spaces rather than one in order to act as a bridge between the two.

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Liminal Space are each given a 'survival difficulty' warning which consolidates important information explaining how difficult to survive within a Liminal Space is into 3 categories; Safety, Consistency, and Maladjustment.

• The safety of a Liminal Space may be classified as 'Safe' or 'Unsafe' depending on both environmental hazards and resource limitations alongside other factors which may affect survivability.
• The consistency of a Liminal Space may be classified as 'Consistent', 'Sporadic Consistency', and 'Inconsistent' depending consistent navigation without a perception range is (without which areas are subject to change in form) within the Space, which can be improved by 'measuring' them with string or markings.
• The maladjustment rate within a Liminal Space may be classified as 'No Maladjustment', 'Minimal Maladjustment', 'Low Maladjustment', 'Occasional Maladjustment', 'High Maladjustment', 'Critical Maladjustment', and 'Uncertain Maladjustment' depending on how prevalent "Liminal Maladjustment" is within the space, which refers to the culmination of numerous common psychological issues which Liminal Spaces may cause such as forgetfulness, dissociation, depersonalization, hallucinations, delusions, and paranoia.

Backrooms
Aliases
Nicknames	Backrooms Liminality Liminal Space
Inter-dimensional Index	Dimension-Loc:4.1/5/141.0
Dimensional Information
Primary Type	Locational
Multiverse	Backrooms
Dimensional Form	Unreality
Locational Sub-Type	Liminal Space
Liminal Sub-Sub-Type	Liminal System
Child Dimension(s)	See "List of Sub-Spaces" Section
Average Reality Stability	68ξ
Topographical Information
Hazards	Mental Hazards Native Beings Environmental Hazards
Demographic Information
Population	~9.73 Million (Documented Individuals, Actual population is unknown.)
Notable Inhabitants	"The Director"
Native Species	See "Entities" Section
Immigrated Species	Humans Theian Natives Others
Political Information
Present Groups	See "List of Groups" Section
Navigational Information
Discovered in	16127 BGS (First Encountered by Humanity) 141 (First Documented in Common Era)
Accessible by	Being unlucky, and noclipping out of reality into it. (A small, yet random chance of being sent there) Intentional accessing via constructed portals
Interconnectivity Variable (To Yata's Dimension)	8/10

Backrooms System (Limsystem-001)

The Backrooms is the largest known Liminal System to be discovered thus far and the easiest to access. Rather than as a Liminal Space, it is much better known as a series of interconnected areas (which gradually transition from one to another) where people can end up provided via an applicable Intersection Point, often taking the form of enclosed transitory rooms and environments familiar to Humans. In modern times methods of reliably creating permanent two-way entrances have been exploited, making accessing the Backrooms intentionally possible to those with sufficient technologies, though despite this a majority of the people within the Backrooms are still people who ended up there by complete accident by accidentally falling out of reality into the Backrooms.

While in the modern academic circle the Backrooms consists of many "Sub-Spaces", many of the inhabitants of the Backrooms colloquially call the various areas that make up their dimension "levels", the archaic term for a Liminal Space part of the Backrooms System which was created before extensive understanding of the nature of Liminal Spaces and their multiple instances separate from the Backrooms due to its distinct nature as being the first to ever be discovered. The 'levels' are typically divided by a conventionally accepted entry point (such as a door, elevator, or hallway) or can only be accessed from domestic Intersection Points which collectively make up the Backrooms and house all things within the system. It is not entirely understood how the levels are 'positioned' in relation to one another, though studies into the subject are ongoing.

In reality, the Backrooms System heavily revolves around a space known as "The Lobby", a labyrinthine structure acting as the anchor from which all other iterations of itself (which are the other Sub-Spaces) extend from. As the Backrooms is incredibly closely tied to Baseline Reality, it can be inferred that most locations within the Backrooms are imitations of locations it is connected to within Reality alongside imitations of locations within the Backrooms itself, leading to a process of repeating abstractions which have together coalesced into what is known as The Lobby at the middle of everything. While The Lobby is particularly susceptible to the structural alterations when not measured or perceived consistently, its monotony has been deemed safe enough for many of the largest enclaves of surviving Humans to establish encampments in.

List of Sub-Spaces

• Antarctica
• Apartment Void
• Archive
• Basalt Cavern
• Blue Dreams
• Borderzone
• Brick Stairs
• Cold Islandia
• Construct
• Corrupted Passages
• Courtyard
• Creepspawn
• Crimson Tunnels
• Crush Depth
• Dead Church
• Decrepit Hospital
• Disparity
• Dissonance
• Drowned School
  • Blue Forest
• Electrical Station
• Flooded Basement
• Folded Forest
• Fractured Sea
  • Fractured Forest
• French Square
• Gardenrooms
• Gargantuans
• Goliath
• Heartache
• Heaven
• Hollow Iceberg
• Honeycomb Insulation
• Hotel Backrooms
  • Back Alley
• Hotel Fright
• In Between
• Infinitopolis
  • Fieldport
  • The Outskirts
• Interconnected Asylum
• Inverted Reality
  • Four Dimensions
• Isles of Blood
• Labyrinth
• Latina Nuclear Plant
• Level Fun
• Library of Wan Shi Tong
• Lonely Road
• Misty Caves
• Neverending Concrete
  • The Pizzeria
• Neverending Staircase
• Orphanage
• Overgrown Reactor
• Pillars
• Portal Matrix
• Puddle
• Pylons
• School Halls
• Shipwreck
• Submarine Halls
• Suburb Street
• Swimming Pool
• Timeline Island
• The Canyon
• The Cave
• The Chasm
  • A Room with nothing in it
• The Convention
• The Crooked House
• The Cruise
• The Dark Forest
• The Dark World
• The Darkness
• The Desert
• The Edge
  • The Train
• The End
• The Facility
• The Forgotten
• The Fountain of Youth
  • The Fountain of Death
• The Gateway
• The Lighthouses
• The Lobby
  • Flipped Reality
  • Level Boredom
  • Yellow Land
• The Maple Forest
• The Metro
• The Mist
• The Office
• The Parkade
• The Pillars
• The Poolrooms
• The Railway
• The Sea
• The Sewer
• The Space Ocean
• Truffle Cavern
• Vertigo
  • the backroom
• Voidzone
• Walled City
• Wheat Field
• Winter Home
• Your Room

The Outer Rooms
Aliases
Inter-dimensional Index	Dimension-Loc:4.1/5/153.0
Dimensional Information
Primary Type	Locational Dimension
Multiverse	Baseline Reality
Dimensional Form	Unreality
Locational Sub-Type	Liminal Space
Liminal Sub-Sub-Type	Liminal System
Average Reality Stability	68ξ
Topographical Information
Demographic Information
Political Information
Navigational Information

The Outer Rooms System (Limsystem-002)

The Outer Rooms were a collection of several liminal spaces which existed until the MV209 event, which either destroyed them or eliminated all connections method to them.

List of Sub-Spaces

• Damp Hallway
• Doorway
• New Frontier

Living Rooms
Aliases
Inter-dimensional Index	Dimension-Loc:4.1/5/174.0
Dimensional Information
Primary Type	Locational Dimension
Multiverse	Baseline Reality
Dimensional Form	Unreality
Locational Sub-Type	Liminal Space
Liminal Sub-Sub-Type	Liminal System
Average Reality Stability	68ξ
Topographical Information
Demographic Information
Political Information
Present Groups	Diner Staff
Navigational Information

Living Rooms System (Limsystem-003)

The Living Rooms is the first safe and stable Liminal System to be discovered, with the entrance found in a mansion located east of Alephitis, Tritonien.

List of Sub-Spaces

• The Hallways (Located within the mansion.)
• The Diner
• The Modern Lounge
• The Garden
• The Penthouse

The Deep Rooms
Aliases
Inter-dimensional Index	Dimension-Loc:4.1/5/281.0
Dimensional Information
Primary Type	Locational Dimension
Multiverse	Backrooms?
Dimensional Form	Unreality
Locational Sub-Type	Liminal Space
Liminal Sub-Sub-Type	Liminal System
Average Reality Stability	68ξ
Topographical Information
Demographic Information
Political Information
Navigational Information

The Deeprooms (Limsystem-004)

In the year 209 a catastrophic event happened in the New Frontier, Damp Hallway and Doorway limspaces, which were all once part of the Backrooms. The Event, which was named "MV209" ("Multiverse '209") was caused by Fracture being completely healed, which simultaneously caused entrances to the three Liminal Spaces to stop working as intended. It is thought that they were completely, because all communications from SDSB operatives in the 3 levels cut approximately 18 minutes after the initial MV209 event. Following MV209, anyone who attempted to use the former entrances to these three levels would "Go somewhere deeper". Until the year 281, nothing was known about this "deeper" area. Until a full drone-investigation began into the area. It seems to be a system of enigmatic liminal spaces found deep down below underneath the entirety of the backrooms.

The 'Deeprooms' are completely barren despite a constant feeling of being watched.

Solitary Liminal Spaces

Solitary Liminal Spaces are are independent and not considered part of a Liminal System. They are often isolated and solitary by nature.

List of Solitary Liminal Spaces

• Realm of the Forgotten [Designation: Limspace-000]

Phenomena within Liminal Spaces

There are a plethora of strange, unexplainable occurrences which occur within Liminal Spaces - unexplained, unnatural occurences that are typically not fully understood. These are known for defying the laws of physics, pushing the bounds of ideas such as time and euclidean geometry, bending reality as we know it. As these phenomena can include a wide array of inexplicable events, it is advised to use caution when exploring sub-spaces that are unexplored or poorly understood.

Fracture Fracture was a mysterious affliction present within the Backrooms since the creation of the exit portals - whom had supposedly been causing levels to act unusually and hinder domestic Intersection Points. More common theories on why this was occurring was due to the portals 'tugging' on the Backrooms as a whole, although this was never proven. Fracture was eventually repaired after a large deposit of Fracture Weld was discovered.

Nihilantis Effect An example of the Nihilantis effect taking place in the Decrepit Hospital. The red-shifting may or may not be a result of the reflection of light around the object due to repulsitivity, however this may also be partly attributed to the effect itself. The Nihilantis Effect is a strange phenomenon caused by excessive duplication. It is estimated that it happens once in every 2500 duplications, but research shows it can be made artificially, given enough energy. Utilising replication technology can be an arduous task in Liminal Spaces due to the Nihilantis effect, which is a strange phenomenon that causes some duplicated items to appear as if the viewer had double vision. This duplicate object can be interacted with, however it adheres to different laws of physics. Instead of having attractive gravity (although extremely small given the density, this can vary,) it obeys the laws of antigravity, and instead it repulses matter. Again, this effect is not visible to the naked eye or even microscopes, but an object with large enough density could almost certainly have visible properties. The atoms of the object, when inspected, are consisted out of antiprotons and antineutrons, which are made out of antiquarks, (and even very rarely, strange and charm quarks in their normal variant)with a nucleus orbited by positrons. As it is further investigated, the anti-object shows mostly opposite traits to normal objects. However, the SDSB is researching the qualities of the anti-objects caused by the Nihilantis effect, and are yet to discover whether the anti-object has negative mass. Currently, their weighing scales only show it as either positive or even 0, propagating this theory. If proven to be true, it becomes a good candidate for the hypothesised 'exotic matter,' which demonstrates strikingly similar properties.

The Barrier "The Barrier" is a largely unknown phenomenon that takes the form of an impassible "wall" that can be encountered in some regions of the Backrooms, making crossing it incredibly difficult. There are several unusual and chaotic sub-spaces within The Barrier such as the Borderzone, In Between, and the Voidzone. Through these sub-spaces entrances to The Outer Rooms were at one point found, though these no longer work.

Unraveling Cascade The "Unraveling Cascade" is a hypothetical scenario in which a specific and hazardous enough Castrovalence Anomaly manages to initiate a run-away chain of Liminal Space formations akin to false vacuum decay, slowly spreading out as the entirety of the universe is consumed by Liminal Spaces one by one as it is reshaped into an interconnected mess of countless infinitely-sized spaces representing each individual room which had existed in the past. The feasibility of this scenario happening is uncertain, but largely thought to be incredibly unlikely.

Entity Sightings There have been many reports of unusual lifeforms seemingly native to Liminal Spaces with their own motivations, abilities, behaviours, habitats, and physiological needs supposedly originating from other realities or mimicing Humans, though due to the frequency of Liminal Maladjustment and the lack of extensive evidence for their existence they are largely regarded as being false reports brought forth by delusion. A list of commonly reported "entities" include; Amorphous Black Goo The Creep Angels Nuntius Ultor Animal-like Broodling Gravites Human Mimics Crew Maintenance Latina Ravager Neighbor Purities Lesser Spirits Wan Shi Tong Knowledge Gatherer Mirages

Objects Many similar objects with a myriad of functions have been found within Liminal Spaces, ranging from tools, weapons, consumables, or other items. Many of these follow the rules of their reality, being found as mere decorations for individual Liminal Spaces, while others are real-world objects altered by a Limspace upon entry, and some are even created by the people who reside within Liminal Spaces. Some may be dangerous, while others may be crucial for survival - thus identification of objects is extremely important if one wishes to make use of them. A list of documented objects includes: Brood Repellent Fracture Weld Golden Syrup Maple Syrup Noclipper Rift Projector