The Undertale Multiverse

The Undertale Multiverse is home to all Undertale AUs, Undertale, Out of Code Characters, The Void, The Anti-Void, etc.
== Idea 1 ==
It looks like a black box with multiple video cameras with several different timelines. Cords are placed all around the room.
== Idea 2 ==
It is a long hallway with doors to each universe.
== Idea 3 ==
It is a collection of rooms and hallways, some small, some big, all different colors, different designs, rooms full of trees and grass or rooms full of darkness and light, and doors leading to each AU. Other occasional things along the way (planted pots, boarded up windows, etc.).
== Idea 4 ==
It is a series of disconnected bubbles that are in constant motion. Bubbles sometimes cross over one another, causing crossovers between the worlds. Movement within this space can be done by any method, a 'floor' or 'staircase' appears where a character needs it though they could swim, fly or walk in any direction and orientation through this space even if they normally lack these abilities. Passing into the world itself could be done by opening a door, hatch or tearing open the fabric of the world. The door or hatch restricts the entry point in the world where the tear does not. Structures can exist within this place provided matter can be stolen from physical world in order to do so. Characters lacking a physical form gain them while in this space.
== Idea 5 ==
It's a large void filled with misty-looking versions of the AUs, showing what the current situation is like in each. If characters live in the Multiverse outside of their AUs, then their home seems to drift around their AUs like a moon orbiting a planet.
== Idea 6 ==
It's a large room full of floating papers for each AU. You can float to one, and tapping one makes it turn into a door. Going through the door makes a hallway of doors with signs of the areas, like Hotland, Waterfall, or The Surface. Going through those doors will send you to that spot in the Underground, or to the Surface exit where you get a happy ending.
This can also be called inks home the doodle sphere how he travles to the aus
== Idea 7 ==
A floating mass of islands, with random aspects from each AU.
== Idea 8 ==
It is a random rip in time that you can enter to go through to a random AU.
== Idea 9 ==
A big plaza with roads going off to each AU, branching out for their timelines.
== Idea 10 ==
A massive platform with some sort of hub in the middle. All AUs are connected via tunnels or wormholes, and each one has different accessible timelines, represented by bifurcations in the wormholes.
== Idea 11 ==
AUs are celestial clouds that come in different colors. Active AUs have a bright glow, Corrupted AUs are very glitchy, AUs that are nearly destroyed flicker and destroyed/abandoned AUs are completely dark, gloomy and empty. People who used to live in now destroyed/abandoned AUs turn into lost souls. Subs AUs circle around the AUs like moons circling around planets.
== Idea 12 ==
Very similar to idea 4, but the bubbles are not completely disjointed. Multiple takes on the same AU, combination AUs and their non-combined versions or AUs with the same creator or creators that work/have worked together tend to go near and through each other more often than other AUs. Unlike idea 4 however, a floor or staircase doesn't appear, and swimming/flying/floating is the only method of transportantion outside of AUs. Antivoids appear as 2-dimensional portals from the outside, and can only be seen or passed through from one side, although some, like the Omega Timeline, have other methods of access as well and in the OT's case, the portal camouflaged and closed off for security purposes.
== Idea 13 ==
Similar to idea 4, but the outer surface of the bubbles are made of a ridged, impassable material. The universes, while in constant motion, are specifically in constant motion around a central gravitational force, similair to planets in a solar system.
== Idea 14 ==
The multiverse is a giant bubble which keeps ever expanding. On it, there are sections connected through bridges or pathways. Those sections can group together and form AU clusters. The Doodle Sphere is used as a planetarium, showing the display of the AUs rather than the physical AU themselves. As well, the sections can split into various timelines, showing a display of them, represented as several ropes all connected to one spot. If a timeline is destroyed, the rope will be cut from it. The bridges CAN be destroyed, but it requires an intense power. As well, each AU has a Void on it, independently whether the Gaster event took place or not. 
== Idea Ω ==
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The Alternate Multiverse theory
Essentially multiple multiverses of Undertale where events are similar in each one (such as Ink and Error existing in most), yet each is unique. Each multiverse could contain a different structure, such as all the ones listed above.
This idea is the only one considered 'canon' by the Undertale AU Wiki.
Category:AUs