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Level 3999 serves as one of the only exits from the Backrooms back into reality, also known as the Frontrooms, and it is well-known for that reason.

Survival Difficulty: Class 1

Slightly Unsafe (due to the sub-levels)

Secure

Devoid of Entities

An image of Level 3999.

Description

Level 3999 is a seemingly infinite arcade full of different types of rooms usually found at some usual arcades in The Frontrooms (Eating areas, Arcade Areas, etc.) You can find some familiar games that are not usually found on normally found on arcade machine such as Call Of Duty, Minecraft, Miitopia , Terraria , Mario Kart 8, Fortnite, World Of Warcraft ,and others found on other types of electronic devices. The windows show the outside but like every other window you can’t go through them.

Most Arcade Machines will help increase sanity due to the familiar effect on the Wanderer. This level does have Arcade Machines that take money or Backdollars and may be non-functional or higher quality games. Arcade Machines can’t be broken without special equipment using a hammer, a chainsaw, or you bear heads won’t help either you may need a Laser Cutter to break the screen.


This level has 3 known Sub-Levels being Level 3999-1, Level 3999-4 and Level 3999-10 These Sub-Levels are known to be extremely dangerous to go into due to the amount of entities, toxic fumes ,and properties. It is presumed there is also more Sub-Levels but it is currently unknown.

Level 3999 is one of the most famous Levels due to the familiar feeling of security, safety and comfort. There is a slight feeling fear considering that not many see humans while in the Level. There is sometimes some asteroids that can rarely come from the sky and are usually a sphere and they have a 12 inch circumference. These asteroids seem to be a glitch because they do not the Wanderer nor do they damage the building or Level in anyway.

To get to The Frontrooms, you need to walk north until you find bright sunlight which seems to look like it's from a sunset (some of the groups on this level will help you and guide you to sunlight). You then need to walk towards it and you should be in and you will get teleported to Level 0 and have to complete a random checklist of ten requests. These usually consist of going through a certain level or drinking how much almond water. These objectives are usually random and are on a giant spectrum, from minutes of time to do one to years. While doing the objective, you don't age but you may die. Once you have completed the checklist, go back to Level 3999 and go through the glass doors with the checklist, then you will end up in The Frontrooms, proving yourself and fulfilling life. People who have done this report themselves ascending towards a planet, then blacking out at their house. Once you complete the checklist, you can go to the level at any time to redeem the checklist and go to The Frontrooms.

Each time you exit from this level, (apart from the time you teleport to get the checklist), you have to do the list of random requests over again.

Although, for some reason, if you do not complete these objectives within ten years, or you attempt to break the glass in the glass door or you have committed major crimes without them being cleared, you glitch and end up in Level 3999-9.

Colonies and Outposts

Backroom Colonists

The Backroom Colonists have an outpost that is around a 27 minute walk from the beginning point directly south, and at the base, they have set up a few cafes for people to relax, and an area where you can trade.

Entrances and Exits

Entrances

Usual Methods

  • Heading through a purple glitched wall in Level 11 leads to this level.
  • Heading through a neon blue wall in Level 153 leads to this level.
  • Heading into a gaming arcade in a village in Level 1207 leads to this level.
  • Heading through the rainbow slide in Level 806 leads to this level.
  • Heading through Door 1 in Level 561 leads to this level.
  • Heading into the light from Detention leads to this level.
  • Heading into the subway in Level 1275 leads to this level.
  • Surviving a year in level 365 and choosing to go to this level leads here.

Luck-Based Methods

  • There is a tiny chance noclipping in Level 3999.1 teleports you into this level.
  • There is a high chance exiting Level 3998 teleports you into this level.

Exits

Arcade Machine Ways

  • Playing Spore or Stellaris on any device for more than 30 minutes will lead to Level 949.
  • Playing DOOM on any device for more than 30 minutes will lead to The UAC.
  • Playing Crossbow on any device and finishing a single scenario will lead you to Level 2133.
  • Playing Terraria on any device for more than 4 hours will lead to Level 4382.
  • Playing Minecraft on any device for more than 1 hour will lead to Level 1248.

Usual Ways

  • Attempting to break the glass door, not completing the objectives within ten years or going through it with a bad life will teleport you to Level 3999-9.
  • Noclipping or metaclipping into yourself in this level leads to Level Entry.
  • Noclipping or metaclipping into most objects leads to Level 561.
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