Die "klassischen" Backrooms
Experience the liminal world of the backrooms through a VHS camera, immersing into a mysterious story and wandering the dream-like structures... Might there be something following you? You explore various, so called, levels where you try to find elevators to the next level of the backrooms. Is there an exit or are we lost forever?
I've always liked these games that are weird and scary, and the found footage genre is also one of my favorites.
There are also some good liminal space maps for garry's mod.