Good luck surviving. This addon adds 11+ entities, blocks, and items to your world. Take your time, but don't take too much. Time passes like air in here. Wait too long, you'll be tasting that nasty carpet. Watch out for the entities, and build your own Backrooms with the vast choice of blocks to work with. Come, the Backrooms are waiting for you.

The different levels the blocks are based off of include:

THE

AND

THE