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Limbo is a Non-Level Space that consists of series of hallways that are dark with no source of light. Within these hallways are more doors, with the labels of experiments, each room behind each door also has a single circular portal, which leads to the experiment. Most of these rooms require a key just to unlock the portal, but three doors are able to be entered:
Experiment #13958024, which isn't too far from the entrance from Fake Level 0.
Experiment #2848395, which is the next door after 13958024.
Experiment #298843, which is one of the doors nearest to the entrance.
Experiment #5584224, the only unstable and broken teleport that doesn't require a key.
Attempting to speak in Limbo will result in your voice never going out, meaning you will only mouth what you say.
Experiment #13958024 is one of the only discovered rooms with a portal that is able to be unlocked without the use of a key. Going through the portal, you will go back to a flashback where you first entered the Progressiverooms, this mostly being perceived in Level 0, which you will see yourself when you first entered Level 0, though the old you cannot see you. You are able to return to Limbo through pressing a button you are given.
Experiment #2848395 is another discovered room that doesn't require a key, found near the door to 13958024. Entering the portal of 2848395, you will go back in time again, when your happiest moment in the Progressiverooms was, a flashback of your happiest moment. Like 13958024, you cannot speak, nor will your old self be able to see you. In this one, you can also see The Viewer, however, you cannot get to him since a barrier blocks you from getting close to him. You can get back to Limbo using the button given per experiment.
Experiment #298843 is the third room discovered that doesn't require a key, which upon entering the portal of 298843, you will reach another happy memory from the past in the Progressiverooms, though the sky and other minor details will be evidently glitched. In 298843, you can only view the memory from the distance, unlike the previous two experiments, which you are able to walk around in your memory. Though, in exchange, your past self can see you, and will take note of you, this also includes any other people included in the past memory. They will be surprised of your presence but won't make much of it. You can get back to Limbo using the button given per experiment.
Experiment #5584224 is the fourth room without need of a key, when entering, you reach an empty lone field, in the middle of the field is your childhood home, though, entirely empty lacking any furniture or anything, like its been long abandoned. Entering 5584224 is not recommended since the button is broken and won't get you back to Limbo. Though, the solution to exiting is to get caught snooping with the experiments by The Abyss Watcher, which will catch you and bring you to Experiment #0029422 without a teleport.
Experiment #0029422 is an experiment that is only accessed when getting caught for the first time by The Abyss Watcher in Experiment #5584224. It at first resembles Post-Wake Fake Level 0, but going down the invisible path will instead instantly bring you to a duplicate of Post-Wake Fake Level 0, except like similar to Experiment #298843, will be evidently glitched in many details. Going to the area near the sign, which is the entrance and beginning of the Progressiverooms from Level 0, you can meet your own clone, who will talk to you and will be surprised of the encounter.
The clone will also always have a tent and bonfire. They will let you go in his tent, where eventually they'll exit the tent while you're still in it. Once you exit the tent after your clone exited, your clone will be nowhere to be found, and the glitches of the fake area will be more evidently glitched. This will also call in the Bringer of the Dark Times, who will speak to you how you should've never seen any of the experiments done here. He'll then knock you unconscious, where he will speak with his other void peers about this issue you have caused. He will send the report specifically to Light Spider. After waking up, you'll find yourself in This is was my home.
This will also initiate discussion about individuals in between the void members of The Core.
In Post-Wake Fake Level 0, find an invisible path with a metal door.
In Experiment #0029422, get caught by the Bringer of the Dark Times and get knocked unconscious to enter This is was my home.
katastrophe (Proxied by Jacob Lee)