The trailer for Backrooms, which was inspired by a viral 4chan post, has left horror fans terrified

Cinema enthusiasts have been left deeply unsettled following the release of a trailer for a fresh horror picture drawn from a 4chan post.

The preview was unveiled recently and has already clocked up more than 18million views on YouTube, reports the Mirror.

In the footage, furniture shop proprietor Clark (portrayed by Chiwetel Ejiofor) discovers a back area in his premises that he’d been completely unaware of.

He starts exploring the space alongside his mates and discusses the peculiar rooms with his therapist, which start to proliferate and defy the rules of physics.

Clark and his companions attempt to record footage of their discoveries to demonstrate the bizarre rooms’ reality, though matters take a dark twist when it appears something threatening dwells within this environment.

Numerous people expressed their reactions in the comments beneath the trailer after being left disturbed.

One viewer commented: “I’m going to have nightmares for weeks, it’s gna be awesome [sic].”

Another echoed these feelings: “Bro I will have many nightmares of this but it will be worth it [sic].”

Meanwhile, someone else wrote: “The fact that they are not only keeping the VHS aesthetic, but also the soundtrack from the webseries tells me this is going to be pure peak.”

Backrooms is a psychological, sci-fi horror production inspired by the semi-anthological web series of the same title by Kane Parsons, who penned, helmed and scored the original.

Parsons is back in the director’s chair for the Backrooms film, which features a stellar ensemble cast including the previously mentioned Oscar-nominee Ejiofor, The Worst Person in the World star Renate Reinsve, The Morning Show’s Mark Duplass, A Knight of the Seven Kingdoms actor Finn Bennett, Shrinking’s Lukita Maxwell, and Victorious’s Avan Jogia.

The Backrooms concept originated from an unsettling 2019 post on the notorious forum 4chan’s paranormal-focused board /x/.

The post displayed an image of an ominous, vacant area adorned with garish pastel yellow wallpaper, beige carpeting and harsh fluorescent lights.

Additional users contributed comparable photographs with a liminal space quality, sparking the creation of The Backrooms mythology.

The Backrooms are described as endlessly expansive spaces accessible through “no-clipping out of” reality.

The term no-clipping derives from video gaming terminology, where players activate a cheat mode allowing them to pass through solid structures like walls, ceilings and floors by switching off the clipping mechanism.

Based on a Reddit post, the initial contributor requested others to submit matching photographs in a discussion thread focused on “liminal spaces” – deserted or forsaken locations that feel uncanny and distinctly otherworldly.

One individual replied to the post, stating: “If you’re not careful and you noclip out of reality in the wrong areas, you’ll end up in the Backrooms, where it’s nothing but the stink of old moist carpet, the madness of mono-yellow, the endless background noise of fluorescent lights at maximum hum-buzz, and approximately six hundred million square miles of randomly segmented empty rooms to be trapped in.”

They added ominously: “God save you if you hear something wandering around nearby, because it sure as hell has heard you.”

Similar to the Slender Man mythology, which emerged on the internet, Backrooms represents another horror phenomenon that has transitioned from online discussion boards to cinema.

Backrooms will be released in cinemas on May 29