Addon: Backrooms
This addon works by infinitely generating the backrooms below your Minecraft world.
Created By Villagecoo
You can get to the backrooms by the following:
- Suffocating
- Flying into a wall
- Anvil
Surviving in the backrooms will be difficult, you need to worry about hunger and mobs.
Items:
Almond Water:

Can be found in filing cabinets. drinking will fill you some hunger

New Music Disc
Сan be found in filing cabinets

Entities:
Bactereia:

- Common entity
- Does 5 attack damage.
Facling:
- Common entity
- Attacks like a normal player.
Partygoer:
- Rare entity, found in party rooms
- Does 10 attack damage
Smiler:

- Very rare entity
- Found in pitch black rooms
- Instakill attack.
Rooms:
Bathrooms:
Party Room:
Has partygoers, and balloons I guess
The Exit
Just a door, right clicking will let you escape the backrooms
Pitch Black Room:
Contains one smiler, so stay away
Turn on all experimental settings for this to work properly
How to install the add-on
Download the .mcaddon or .mcpack file, open it with Minecraft and wait for the import to finish. Then enable the resource and behavior packs in the world settings. If the add-on requires experiments, turn them on before launching the world.