Ever stared at an eerily empty, fluorescent-lit room and felt like you’re somewhere you shouldn’t be? That’s the liminal terror that made The Backrooms a viral online sensation—started by Bay Area teen Kane Parsons’ found-footage shorts, with its messy furniture, backwards stop signs, mono-yellow hallways and vague Async Research Institute lore. Now it’s getting a big-screen treatment, backed by James Wan and A24, dubbed the "carbonara of creepypasta cinema" for adding Kubrickian flair. Have you fallen down its rabbit hole, or ready to face it in theaters?