Archived/List of Dimensions and Timelines

How to imagine the difference between all of these terms?

Forest Analogy

• Omniverses are forests.
• Timelines are individual trees.
• Dimensions are branches on the trees.
• Enigmatic Dimensions are mycelium connecting all trees.
• Afterlives are aquifers connected to the mycelium.

Liminal Terms

• Liminal Systems are 'weird' trees.
• Liminal Subspaces are branches on 'weird' trees.
• Transitional Spaces are vines connect two individual trees, one of these is a 'weird' tree and the other is a 'normal' tree (Timeline)

Timelines

Designation	Type	Description
Aleph Null	Corrupted Timeline	A infinite white void with occasional radiobroadcasts containing only screaming. It was formed due to an anomaly causing ∞ Castrovels.
Backrooms System	Liminal System	A system of enigmatic sub-dimensions connected to each other taking the form of nostalgic locations and structures from the Collective Unconsciousness of Humanity.
Deeproom System	Liminal System	A system of barren sub-dimensions situated beneath the Backrooms.
Timeline-001	Multiverse	The "Original Timeline", which YATA used to take place in. The timeline divided into 001 and 002 following the Red Leader being saved by an unknown Alien Species, eventually leading to his ascension to godhood. Once he achieved this he expelled Yata to Timeline-002 as an act of mercy to his former home.
Timeline-002	Multiverse	The current Timeline that YATA takes place in. The event that caused its division from Timeline-001 is the discovery of the artefact Red Leader was trapped in by an unidentified alien species.
Timeline-003	Multiverse	The Multiverse that the Outer Rooms originated from.
Timeline-039	Multiverse	A highly advanced and intellectual timeline in which the Universal Council holds much further significance, allowing for vast expansion of knowledge.

Timeline-001's Dimensions

Name	Type	Description
Dead Reality	Alternate Reality	The original home dimension of the Deadlings, alongside being the location of their empire.
End of Disease	Alternate Reality	A Dimension in which all disease has been cured.
Hell Dimension	Alternate Reality	A hellish dimension filled with magma and unusual land formations, it is not actually Hell though.
Linnas Imperiya	Alternate Reality	A Dimension in which Lineland and Abard won World War 2.
Red Victory	Alternate Reality	A Dimension in which Red City won the Void War.
Dimension-003	Alternate Reality	A timeline which Humanity was briefly sent to following their escape from the Backrooms, which they were forced to abandon once realising it was the wrong timeline to avoid effects of the time dilation in the dimension alongside void energy corruption.
The Perfect Dimension	Mainline Reality	The main dimension of Timeline-001.
The Yeshou	Alternate Reality	A dimension in which survival can be very difficult. Notable for being where John Hunter ended up following the First Void War.
Void Utopia	Alternate Reality	A Dimension in which Red Leader holds the same level of power as he does in the current timeline, however is a force of good instead of evil.
Xenocolony	Alternate Reality	A Dimension in which Yata was subdued by alien forces.

Timeline-002's Dimensions

Name	Type	Description
198-VCD-1	Alternate Reality]]	A dimension in which the ACDL managed to destroy the Aundzer Alliance, leading to a highly capitalistic world.
273-a-62	Alternate Reality	A dimension that The Girl temporarily transported Yata to in order to avoid detection by Nihilantis.
Asodim-1	Pocket Dimension	A pocket dimension created by Asophania in 125, featuring a infestation of reptilian beings.
Digiverse	Synthetic Dimension	An Artificial Digital Reality created by the SDS Foundation.
DIV-9/LUX/2147	Alternate Reality	A Dimension in which the history of Luxuria was radically altered, allowing for the rise of 3 separate nation states.
Dimension-11	Alternate Reality	Twilight Sparkle banished Quagmire Chungus there.
Dimension-17	Alternate Reality	A separate reality in which vision is incredibly warped.
Dimensional-Site-⌘	Meta-Metaphysical Space	A extradimensional space created by the SDS Foundation's Department of Surrealistics with the purpose of containment and research.
Green Dimension	Alternate Reality	An alternate dimension that Red Leader briefly trapped Nihilantis in.
Living Rooms System	Liminal System	A series of mostly transitional spaces alongside some standard subspaces accessible from a mansion east of Alephitis, Tritonien.
Odin narod.	Alternate Reality	A Dimension in which Odinarod managed to survive and eventually assimilate all of Humanity into its technological hivemind.
Prime Dimension	Mainline Reality	The main Dimension where YATA takes place.
Regnum Mediterraneum	Alternate Reality	A Dimension in which the Inchyrosian Empire managed to gain dominance over the world.
Roblox Universe	Alternate Reality	A dimension where everything is Roblox.
SDS-005-01	Pocket Dimension	A small pocket dimension taking the form of an inverted version of the Mekong River Delta.
Silence	Alternate Reality	A Dimension in which an anomalous event caused the sudden disappearance of every human in 121.
Starwars Dimension	Alternate Reality	A dimension discovered by New Asophania briefly in 131. It is literally just Star Wars.
Terra Australis	Alternate Reality	A Dimension in which Luxuria never existed.
Yetian Imperium	Alternate Reality	A Dimension Sizzle almost accessed in which Yetia is a world super power.
Zirnec's Refuge	Pocket Dimension	A pocket dimension inhabited by Zirnec and Ilcadia for an unknown amount of time following each of their banishment by Nihilantis.

Timeline-003's Dimensions

Name	Type	Description
Outer Rooms System	Extra-Multiversal Liminal System	A now destroyed Liminal System originating from Timeline-003 which used to be accessible thru The Barrier.

Enigmatic Dimensions

Name	Type	Description
Hyperspace	FTL-Travel Facilitator	A shadow of reality allowing for fast travel of spacecraft from location to another in realspace.
Knowledge Dimension	Alternate Reality	Home of the omniscient Propietor.
Late Void	Alternate Reality	A swirling vortex of Void Energy inhabited by the Void Protectors & often visited by Red Leader
Library of Eden	Alternate Dimension	The Library of Eden is an enigmatic dimension that holds all knowledge throughout every timeline and dimension. Its endless halls carry every book that has or ever will be written in all of existence.
Slipspace	FTL-Travel Facilitator	A shadow of reality which can be navigated through 'slipstreams'.
Xen	Alternate Reality	A dimension situated within the Primordial Void surrounding all universes taking the form of a series of floating rocky islands in a nebular void inhabited by several alien races.

Afterlives

Name	Type	Description
The World Inbetween	Limbo	A limbo for those who have been erased.
Realm of the Forgotten	Purgatory	A dark, desolate afterlife for those who have been forgotten.

Omniverses

Name	Designation	Description
Primordial Void	Everything situated outside of the Second Cradle.
First Cradle	The "Original Universe" originating from Hyacinthan Mythology. It was destroyed by the Primordial Void.
Second Cradle	The currently existing multiverse in which all known Timelines exist according to Hyacinthan Mythology.

Liminal Subspaces

Liminal Subspaces are subdimensions part of Liminal Systems.

Name	Survival Difficulty	Type	System	Description
Inverted Reality	Class 5E	Subspace	Backrooms	A upside-down jungle, the forest floor is up and the sky is down.
The Chasm	Class 2E	Subspace	Backrooms	A stormy canyon, hosts a large population and several settlements.
The Diner	Class Undetermined	Subspace	Living Rooms	A staffed diner.
The Garden	Class Habitable	Subspace	Living Rooms	A small outdoor garden.
The Hallways	Class 0	Transitional Space	Living Rooms	A series of wooden hallways working as a nexus point between the Living Rooms and a mansion situated east of Alephitis.
The Lobby	Class 1	Subspace	Backrooms	A empty office space, hosts a large population due to its position as the 'natural entry' to the Backrooms.
The Modern Lounge	Class 1	Semi-Transitional Space	Living Rooms	A large modern lounge seemingly situated within Mylonagrad.
The Penthouse	Class 0	Subspace	Living Rooms	A 2 floored empty building