This reminds me of Level 3999 : r/LiminalSpace

The Backrooms. Minecraft Map

Made it to lvl 3999 :) : r/backrooms

FULL walkthrough - Level 3999 + Ending titles [] ESCAPE THE BACKROOMS [] NO commentary

Level 3999? : r/backrooms

Reply to @dead_suits #backrooms #arcade #liminalspaces #lvl3999

Level 3999-B: The True Ending, Backrooms Freewriting Wiki

How to Access and Beat Level 3999 in Escape the Backrooms - Gamer Journalist

Level 3999 in a backrooms rec room game im making : r/backrooms

Level Fun =), Wiki

看看听说你们都很熟悉这个level？3999不是结局_哔哩哔哩_bilibili