The Backrooms (spacepotato version.)

[OUTDATED MODPACK VER]
Read the instructions CAREFULLY. DO NOT USE THIS MODPACK IN AN EXISTING WORLD. It can cause irreversible damage. Good Luck

Setup

Create a new super flat world WITH THE REDSTONE READY PRESET (if the world isn't made of sandstone, you didn't use the preset) and generate structures turned OFF. Other settings will be set automatically

When you're in the world, type /reload and you'll see a menu appear in the chat.

Click on Start Game to start the entire game. Clicking it again after the game has already started DOES NOT RESET THE GAME

Click on Stop Game to stop the entire game and generation. This will NOT get rid of the structures

Click on Start Generation to ONLY generate the rooms

Click on Stop Generation to ONLY stop generating the rooms

You will also see some extra options.
Hover over them for more info

Settings:
- Render Distance of 16+
- Simulation Distance same as render distance
- Smooth Lighting