AceShowbiz - Backrooms is an upcoming horror film that expands on the eerie, surreal world originally developed by director Kane Parsons in his viral web series. The concept itself traces its roots back to a 2019 4chan post which sparked widespread fascination with the unsettling idea of endless liminal spaces known as the Backrooms. Now, with the support of production company A24 and a significantly larger budget, Kane Parsons has been able to bring this unsettling environment to life on a scale never seen before.

The film centers on Clark, portrayed by Chiwetel Ejiofor, a furniture store owner who stumbles upon a seemingly infinite, otherworldly dimension hidden beneath his shop. As Clark explores this bizarre and disorienting space, his therapist, played by Renate Reinsve, becomes involved in trying to understand what is happening. The screenplay was penned by Will Soodik, and the production boasts heavy hitters such as James Wan and Osgood Perkins among its producers, ensuring a high-profile and ambitious project.

One of the most remarkable feats of this production is the physical creation of the Backrooms environment. While the original web series was crafted using 3D software like Blender and Adobe After Effects, the film involved the construction of over 30,000 square feet of set space to authentically replicate the labyrinthine interiors. Such an enormous set led to the unusual circumstance of cast and crew sometimes getting lost during filming, underscoring the immersive complexity of the design.

Kane Parsons has spent years refining the rules and architecture of the Backrooms, which he refers to as “The Complex” in both the film and his series. This meticulous world-building allows the story to unfold not only through dialogue and plot but also through the spatial logic and visual storytelling of the environment itself. He explained that there is a “very strict logic” governing how the Backrooms are structured, including patterns in the architecture and the replication of certain spaces, which may only become apparent upon multiple viewings.

The film’s visual aesthetic remains true to the original concept of the Backrooms, favoring the iconic yellow wallpapered halls that have become synonymous with this internet mythos. This choice reflects a deliberate restraint compared to the broader and more varied fan interpretations that have proliferated on platforms such as Reddit. For example, while the film briefly explores a “poolroom” level, it stays closer to the simpler, unsettling yellow rooms rather than embracing the more fantastical or chaotic depictions found in some fan lore.

This restrained approach aligns with Kane Parsons’ vision for the project, which draws inspiration from the original photos that sparked the 4chan post—specifically, images of a furniture store in Wisconsin. More profoundly, Parsons has emphasized the psychological underpinnings of the Backrooms concept, likening the experience to sensory deprivation. He described how the human nervous system craves stimulation, and in an environment devoid of normal sensory input, the brain begins to interpret random patterns as meaningful signals, creating an atmosphere ripe for horror.

Like his original web series, the film leverages the fear of the unknown and the unseen just as much as what is visually present. Due to limited resources during the series’ creation, Parsons relied heavily on quiet, ambiguous scenes set in unsettling yet familiar locations, enhanced by disturbing sound design, to generate unease. This approach translates well to the feature film format, promising a chilling cinematic experience that taps into primal fears of isolation and disorientation.

As part of its promotional efforts, A24 showcased an exclusive clip at CCXP Mexico, giving audiences a glimpse into the eerie atmosphere of the film. In this footage, Clark is seen relaxing in his furniture store after hours. While watching television, the screen suddenly glitches, shifting to a security camera feed showing a yellow hallway. This triggers Clark’s investigation into a power anomaly in the basement, where he “noclips” out of reality and into the eerie Backrooms dimension, setting the stage for the film’s unsettling narrative.

The cast also includes Finn Bennett, Lukita Maxwell, and Mark Duplass, rounding out a diverse and talented ensemble. In addition to James Wan and Osgood Perkins, other producers involved are Michael Clear, Roberto Patino, Shawn Levy, Dan Cohen, Dan Levine, Chris Ferguson, Peter Chernin, Jenno Topping, and Kori Adelson, highlighting the strong industry support behind the project.

A24 has scheduled the release of Backrooms for theaters on May 29, 2026, with a runtime of 105 minutes. The film promises to deliver a uniquely unsettling horror experience that blends innovative set design with psychological depth, anchored by compelling performances and the visionary direction of Kane Parsons.

In summary, Backrooms represents a bold adaptation of an internet-born horror concept, elevated by the creative ambition of its director and the extensive resources provided by A24. The physical scale of the sets, combined with a carefully constructed mythology and a focus on atmosphere, sets it apart as a highly anticipated entry in the horror genre for 2026.