"Seriously brain, what the hell?" A Thread For Weird Dreams and Nightmares

There is a lot of my dream but I don't quite remember, but there was some portion which was something like an open-world sandbox game, a large building full of corridors, strange ladder chambers in places... eventually, we were trapped in some sort of hospital ward location and hunted down by ghoulish creatures and "bloodsaw" into a basement which was the opening room to an infinite dungeon, or something.