It's not often that a short story from the internet evolves over the years into a real internet phenomenon. An example is Slenderman, created for an internet photo contest in 2009 and even adapted into a movie in 2018.

This challenge is about the Backrooms. It started as a single image on the 4chan forum with a short story, followed by hundreds of YouTube videos and several computer games. Countless creative minds expanded this world, making it only a matter of time before an official series or movie is made.

The Backrooms: If you're not careful and 'glitch' through reality, you'll suddenly find yourself in an endless labyrinth of yellow walls and musty carpets, with a dull ceiling light humming unpleasantly. And somewhere in the depths of the labyrinth, something lurks...