Spoilers follow for the full plot of Backrooms, including Clark's descent into the maze, Mary's search for him, the Async material, the Still Life entity, and the ending.
A24's official synopsis for Backrooms is almost brutally minimal: a doorway appears in the basement of a furniture showroom. That line is accurate, but it barely scratches the carpet. The film uses that doorway as the fracture point between two bad realities. On one side is Clark's life, which is already collapsing. On the other side is the Backrooms, a warped commercial afterlife where furniture, offices, corridors, signs, doors, and memories seem to have been copied by something that understands human spaces but not human purpose.
The film is directed by Kane Parsons, written by Will Soodik, and stars Chiwetel Ejiofor as Clark, a failed architect and furniture store owner whose life has narrowed into a humiliating loop. Renate Reinsve plays Dr. Mary Kline, his therapist, a woman trained to guide other people through their traps while quietly carrying her own. The result is a horror story where the monster is not only the thing in the hallway. The monster is the loop itself.
Full plot in quick form
- Clark runs Cap'n Clark's Ottoman Empire, a failing pirate-themed furniture store, after his marriage collapses and his architectural ambitions rot away.
- Electrical problems in the store lead him to the lower level, where he passes through an impossible wall and enters the Backrooms.
- He becomes obsessed with exploring the maze, convinced it proves something larger about reality and perhaps about himself.
- He tries to convince Mary, Bobby, and Kat that the place is real, then returns with help to document it.
- The Backrooms become more dangerous, more psychological, and more connected to Clark's failed life and Mary's buried trauma.
- Clark refuses to leave, Mary follows him into the maze, and the ending turns the Backrooms into a place where memory, identity, and imitation collapse into one another.
Clark's life is already a Backroom before he finds the doorway
Backrooms does not open by treating Clark as a heroic explorer. It treats him as a man already boxed in. He owns and manages Cap'n Clark's Ottoman Empire, a sad, gimmicky furniture store whose pirate theme feels like the last bad joke in a life full of compromises. The name itself is funny in the wrong way. Ottoman Empire suggests a sultan joke, but Clark is dressed like a pirate, selling furniture under a confused brand identity that says everything about his self-image. He wanted to design spaces. Now he sells them badly.
Clark is a failed architect, a divorced alcoholic, and a man who has been kicked out of the home he still believes he paid for, built for, or earned. He sleeps inside the furniture store, using the fake bedroom displays as a substitute for an actual domestic life. This is the film's first important visual idea. Before he enters the Backrooms, Clark is already living inside artificial rooms. Beds, lamps, sofas, and fake household arrangements surround him, but none of them belong to him. They are rehearsals for comfort, staged rooms for imaginary buyers.
That turns the furniture store into the film's real first maze. It is a business, a shelter, a humiliation, a failed dream, and a performance space. Clark records cheap advertisements for the store with his employees Bobby and Kat, trying to sell a cheerful version of himself that nobody believes, least of all Clark. He performs confidence, but everything around him feels emptied out. The store is too large, too quiet, too dead. It already has the emotional temperature of the Backrooms.
In therapy, Clark brings his bitterness, self-pity, and stalled identity to Dr. Mary Kline. Mary is not written as a magical fixer. She is thoughtful, sad, and professionally controlled, but the film hints early that she is not free of the same interior prisons she asks Clark to examine. Her own past includes childhood trauma, fear, and a home life that taught her that shelter can also be confinement. That parallel becomes crucial once she follows Clark into the maze.
The store starts to flicker
The plot begins moving when the store's lights start misbehaving. The flickering electricity is not just a jump-scare device. It is the building revealing a fault line. Clark investigates the power problems and finds odd, irregular details around the circuit breaker and lower level. The mundane mechanics of the store suddenly seem wrong. This is very much in the spirit of Parsons' original Backrooms work, where the horror often begins with something architectural that should not be there: a door in the wrong place, a wall that behaves incorrectly, a hallway that refuses the logic of the building around it.
Clark heads deeper into the store and discovers the impossible passage. Depending on how one reads the scene, the wall is not exactly a door in the normal sense. It is more like a wound in reality, a place where the building has become porous. Clark passes through and finds himself in a yellow, office-like labyrinth that seems to extend beyond the possible dimensions of the building above it.
This is the first major scene discovery: the Backrooms are not a fantasy kingdom. They are not grand. They are aggressively ordinary. Yellow wallpaper. Fluorescent lighting. Damp commercial carpet. Random furniture. Nondescript corridors. Office-adjacent rooms that look manufactured but not designed. Everything feels human-made and inhuman at the same time.
The shock of the place is not that it looks alien. The shock is that it looks almost familiar. That is the specific terror of Backrooms. The dimension is built out of the forgotten materials of late twentieth-century commercial life: office space, retail space, showroom space, basement space, waiting space. It feels like the hidden digestive system of the modern world.
Clark's first exploration turns fear into obsession
Clark's first reaction is not clean terror. It is fascination. He wanders through rooms that resemble office interiors, furniture storage areas, and warped versions of his own retail world. Objects appear in strange arrangements. Furniture seems fused into piles or stacked in ways that suggest the space is copying his store without understanding it. Doors shrink. Rooms repeat. Signage appears with no useful purpose. The Backrooms feel like a bad memory of architecture.
That detail matters because Clark used to want to be an architect. He once imagined himself as someone who could create meaningful spaces. Now he is trapped inside meaningless ones. The Backrooms tempt him because they restore a sense of mystery to space itself. For a failed designer of buildings, the impossible building becomes both nightmare and seduction.
The early exploration scenes work like a perverse adventure film. Clark keeps going because each room implies another possibility. The camera looks down corridors and through doorways with the same curiosity that would usually belong to fantasy cinema. What is behind that wall? Where does that hallway lead? Is that sound mechanical, human, or alive? The trick is that discovery never becomes relief. Every new room gives Clark more information and less understanding.
The Backrooms also begin to feel like a distorted mirror of Clark's mind. He is a man stuck in loops, and the place is made of loops. He cannot leave his failed marriage emotionally, and the rooms cannot stop repeating broken domestic and commercial forms. He is bitter about a life he thinks he was cheated out of, and the Backrooms look like a world assembled from cheated spaces: rooms without people, signs without function, furniture without use, corridors without destination.
Mary tries to keep the story psychological
When Clark brings the discovery into therapy, Mary initially has to treat it as an expression of his mental state. From her perspective, this makes sense. Clark is drinking, sleeping at work, spiralling after his separation, and describing a supernatural maze beneath his furniture store. Her job is not to validate the impossible. Her job is to find the human pattern beneath the impossible claim.
This is where Backrooms becomes more interesting than a simple portal film. The movie does not immediately decide whether the Backrooms should be read as metaphor or literal place. It plays both registers at once. Clark may have found a real alternate dimension. He may also be externalising his collapse. The film's horror depends on the fact that both readings can be true at the same time.
Mary's therapy sessions frame the Backrooms as a form of repetition. Clark has habits, loops, resentments, and rehearsed stories about himself. He talks like a man who has already decided who ruined his life. He blames his ex-wife, his failed career, the store, circumstance, and the world around him. The Backrooms offer him a new story: he is not a failed man, he is an explorer. He is not stuck, he is chosen. He is not lost, he has found the secret architecture underneath reality.
That is the film's first major psychological turn. The Backrooms are horrifying, but they also flatter Clark. They give his life scale. They make his misery feel cosmic.
Bobby and Kat turn the maze into evidence
Clark cannot leave the place alone. He returns, explores, and becomes increasingly convinced that the Backrooms need to be documented. He brings others into the orbit of the discovery, including Bobby and Kat, the younger people connected to his store and its cheap advertising work.
Bobby's role is important because he brings the camera logic into the story. Backrooms has roots in found footage, and the feature film keeps that DNA alive by making documentation part of the plot. The camera is not just a stylistic device. It becomes Clark's attempted proof. He wants the footage to make the impossible communicable. If he can record the maze, then the maze is not only in his head. If others can see it, then he is not simply a drunk, divorced man inventing meaning in a basement.
Kat adds another human witness, another link between Clark's public life and the hidden zone underneath it. Together, Bobby and Kat represent the ordinary world Clark is dragging into his private obsession. That choice makes the plot more dangerous. At first, Clark is risking himself. Once he recruits others, the Backrooms stop being his secret and become a contagion.
The documentation scenes deepen the film's argument about images. The Backrooms myth began as an image online. Parsons' own web series expanded it through fake found footage. The film then folds that structure into its story. Clark does what the internet does: he points a camera at the uncanny and hopes the recording will convert fear into proof.
It does not. The image does not save him. It pulls everyone further in.
The rooms become stranger, wider, and less stable
As Clark and the others explore, the Backrooms expand beyond the basic yellow office maze. The film introduces areas that feel like warped suburbs, storage spaces, office zones, tiled spaces, sideways rooms, and places where objects do not obey normal placement or scale. Some spaces appear to be failed copies of reality. Others feel like corrupted memories of buildings that once existed. The deeper the characters go, the less the maze behaves like a location and the more it behaves like an intelligence producing broken versions of human space.
The furniture imagery is especially pointed. Clark sells objects meant to complete homes: couches, beds, chairs, tables, ottomans. Inside the Backrooms, those objects lose their purpose. They become piles, obstacles, hybrids, sculptures, or debris. Domestic life has been stripped of intimacy and turned into raw material. That is Clark's inner condition made physical. He has the objects of a life but not the life itself.
The film's most unnerving spaces are not necessarily the loudest ones. A room with a pile of chairs can be more unsettling than a monster attack because it suggests failed classification. The space keeps trying to arrange the world into meaning and keeps getting it wrong. That wrongness is the engine of the film.
There are also signs that Clark is not the first person to discover the dimension. He comes across traces linked to Async, the research organisation familiar from Parsons' larger Backrooms mythology. The film does not turn fully into an Async procedural, which will frustrate some lore-heavy viewers, but those traces matter. They imply that the Backrooms have a history outside Clark, and that institutions have tried to study, map, or exploit the impossible.
Async changes the scale of the story. Clark wants the Backrooms to be his discovery, but the evidence suggests the maze has already been observed. That punctures his fantasy of specialness. He is not the first explorer. He may simply be the latest person swallowed by a place other people failed to understand.
The entity attack breaks the fantasy of control
The plot darkens when the exploration moves into a more dangerous area. Public spoiler summaries describe a sideways zone, a disorienting section where the architecture itself feels rotated, misaligned, or hostile. It is here that Clark's attempt to turn the Backrooms into a discovery mission becomes fatal.
The group encounters an entity. The film's creatures are not presented as simple monsters detached from the setting. They feel like products of the same broken copying process that created the rooms. The Backrooms do not only imitate buildings. They may also imitate people, bodies, behaviour, or memory. That makes the threat more intimate than a predator in the dark. The danger is not merely being killed. The danger is being replicated badly, absorbed badly, remembered badly.
Bobby and Kat are killed during the encounter, or at least removed from the ordinary world through the violence of the Backrooms. This is the point where Clark's obsession becomes unforgivable. He wanted proof. He wanted witnesses. He wanted the maze to give his life grandeur. Instead, it consumes people connected to him.
A more honest version of Clark might leave at this point. He might accept that the Backrooms are not a revelation but a trap. Instead, the loss seems to push him further into the maze. He refuses to return fully to ordinary life. He stays with the impossible because ordinary life now contains guilt he cannot face.
Clark chooses the maze because the real world has judged him
Clark's choice to remain in the Backrooms is the emotional hinge of the film. On the surface, it is madness. On the thematic level, it is horribly logical. The real world sees him as a failure: failed husband, failed architect, failed businessman, failed adult. The Backrooms see him as material. They respond to him. They change around him. They make his life feel significant, even if that significance is monstrous.
That is the bleak seduction of the film. The Backrooms are terrifying, but they are also a refuge from accountability. In the maze, Clark does not have to be the man who ruined his life and endangered others. He can become an explorer, victim, prophet, cartographer, or king of a dead commercial underworld. The place offers him identity when the real world offers only consequence.
This is also where the pirate-store comedy turns poisonous. Clark's ridiculous brand persona, the Captain of Cap'n Clark's Ottoman Empire, was once just humiliating local-ad nonsense. In the Backrooms, that performed self threatens to become something more permanent. The fake identity begins to harden. The performance becomes a shell he can hide inside.
Backrooms keeps returning to a brutal question: when a person has spent too long performing a false version of himself, what happens when the false version is the only one left?
Mary follows him into the Backrooms
Mary enters the maze because Clark disappears. This is the film's second descent, and it changes the emotional perspective. Clark enters as an obsessive discoverer. Mary enters as a rescuer, investigator, and therapist whose professional role has become literal. Her patient has vanished into his own impossible interior, and she follows him in.
Her journey confirms that the Backrooms are not simply Clark's hallucination. They can be entered by others. They can trap others. Yet the space also seems to respond differently to Mary. Where Clark's zones are tied to failure, architecture, retail, masculinity, resentment, and commercial dead space, Mary's experience pulls toward childhood fear, memory, enclosure, and the trauma of a home that did not protect her.
Mary's backstory is one of the film's key thematic expansions. She is not only Clark's therapist. She is another trapped person, someone whose calm professional surface hides old terror. Her childhood memories suggest a mother who made the outside world feel dangerous, a home that became a cage, and the eventual loss or destruction of that home. The Backrooms exploit that history because they are built from the same contradiction. They look like shelter, but they do not shelter. They look like rooms, but they do not hold life.
Mary's entry also tests the ethics of therapy. Therapy depends on boundaries: patient and doctor, memory and present, metaphor and reality. The Backrooms collapse all those boundaries. Mary cannot guide Clark from a safe chair anymore. She has to enter the architecture of his delusion, his discovery, or his damnation.
Async widens the nightmare
Async material appears as evidence that the Backrooms have been investigated before. In Parsons' broader lore, Async is the research body linked to Project KV31 and experiments around access to the Backrooms. The film uses this mythology lightly, enough to give the world a larger technological and institutional shadow without letting it overwhelm Clark and Mary's story.
This restraint is smart, even if it leaves some fans wanting more. If the movie became entirely about Async, it could turn into a lore delivery machine. By keeping Async mostly at the edges, the film preserves the central horror: Clark and Mary are not trapped in a clean science fiction mystery. They are trapped in a place that defeats explanation.
Still, Async matters because it prevents the Backrooms from being reduced to private psychology. The maze is not only in Clark's head. It is a world with infrastructure, prior contact, and institutional interest. People have been here. People have tried to control it. People have failed.
That makes the Backrooms feel like a modern cosmic horror space. The old cosmic horror model looked upward into the stars or downward into ancient seas. Backrooms looks sideways into the vacant commercial interior. Its unknowable god is not in the heavens. It is behind drywall.
The Still Life is the film's cruelest idea
The final act brings Clark and Mary toward the Still Life, an entity or replica connected to Clark himself. This is one of the film's most important concepts because it takes the Backrooms' copying logic and turns it directly onto identity.
A still life, in art, is an arrangement of objects. Fruit, flowers, bottles, furniture, dead things made visually stable. The term is perfect for Backrooms. The maze is full of still lives: furniture without people, rooms without use, domestic objects arranged in dead compositions. A Still Life version of Clark suggests that the Backrooms can reduce a person to an arrangement, a copied pose, an object study of a human being without the soul that made him human.
Clark tries to communicate with this replica. That is tragic and revealing. He is not only facing a monster. He is facing the possibility that the maze has produced a version of him that is more honest than he is. The Still Life may be Clark as the Backrooms understands him: a pirate-store persona, a failed architect, a resentful husband, a man who has turned into the furniture of his own bad life.
The confrontation ends violently. The Still Life attacks Clark, biting into him and causing a fatal injury. It is a grimly intimate death. Clark is not destroyed by a random beast. He is destroyed by a bad copy of himself, or by the version of himself the Backrooms has learned to manufacture.
Backrooms turns the horror of being lost into something nastier: the horror of being found, copied, and reduced to your worst pattern.
Mary's escape becomes another trap
After Clark's injury, Mary runs. The Still Life pursues her through the maze, turning the final sequence into a chase through a world that no longer pretends to be merely atmospheric. The danger is now direct. The rooms that once invited curiosity become a killing field.
Mary encounters the Caveman Cutout, one of the strange objects associated with the film's Backrooms environment. The cutout functions like a joke that has curdled into a trap. It belongs to the film's world of warped commercial objects: displays, signs, mascots, promotional junk, things meant to attract attention in a retail or entertainment space. In the Backrooms, such objects become mechanisms of harm.
Mary knocks the cutout down, triggering a trap that stuns both her and the pursuing Still Life. It is a strange, almost absurd beat, but that absurdity is consistent with the film's nightmare logic. The Backrooms are frightening because they combine mortal danger with stupid objects. A cardboard display can become as consequential as a weapon. Retail junk becomes cosmic machinery.
This is one reason the film's horror feels so different from gothic or supernatural tradition. Its symbols are not crosses, candles, old books, or demonic carvings. They are furniture, signs, cutouts, carpet, fluorescent lights, and doors drawn in the wrong place. The sacred objects of consumer space have become cursed.
The ending explained: Mary, Async, and the warping of memory
The ending does not close the Backrooms in a neat way. Mary and the Still Life are reportedly taken to the main Async outpost for evaluation, suggesting that the institutional world finally absorbs the survivors, the evidence, or the contamination. That ending choice shifts the horror again. The Backrooms are no longer only a private nightmare below Clark's store. They are now part of a research system, a secret project, a place people in suits or hazmat gear think they might be able to study.
That is not comfort. In this universe, institutional attention does not mean safety. Async's presence suggests classification, containment, experimentation, and the arrogant belief that the impossible can be organised. If the Backrooms are a maze of broken human spaces, Async is the human impulse to build another maze around it: labs, protocols, records, outposts, reports.
The final image of Mary warping is the key ambiguity. It can be read in several ways. The most literal reading is that Mary remains affected by the Backrooms and may not have truly escaped. Her body, memory, or perception is still being distorted by contact with the maze. Another reading is that what we see is not Mary's physical fate but the Backrooms' memory of Mary beginning to deform, as though the place has started generating its own version of her.
A third reading is harsher: Async has not rescued Mary at all. It has simply moved her from one form of confinement to another. She has gone from childhood confinement, to professional emotional containment, to the Backrooms, to institutional containment. Her life becomes a sequence of rooms, each one claiming to protect or explain her while trapping her in a new way.
The ending also reframes Clark's death. He does not die after solving the maze. He dies after mistaking obsession for revelation. He wants the Backrooms to mean that his life still has hidden significance. Instead, the maze consumes him, copies him, and leaves Mary to face the system that may now try to turn his destruction into data.
The plot is deliberately less important than the pattern
The film's story can sound thin when reduced to a chain of events. Man finds portal. Man explores portal. Man brings others. People die. Therapist follows. Monster appears. Secret organisation intervenes. But Backrooms is not built like a conventional mystery box where each scene hands over a clean new answer. It is built like a loop that keeps changing its wallpaper.
That does not excuse every gap. Some viewers will want more precise rules. What exactly is the Still Life? How much does Async know? Are the entities former humans, copies, memories, or independent organisms? How does the maze decide what to imitate? What happens to Mary after the final distortion? The film does not fully answer those questions.
But its lack of explanation is also part of its design. Parsons comes from an internet horror tradition where the unresolved edge is often more powerful than the solved diagram. The Backrooms are frightening because they resist being converted into lore. They become less scary when fully mapped. The film understands this and keeps part of itself out of reach.
That is also why the plot keeps returning to documentation. Clark wants proof. Async wants data. Viewers want explanations. The Backrooms defeat all three impulses. They can be filmed, entered, mapped, and studied, but never mastered.
Clark's arc: from failed architect to bad copy
Clark's tragedy is architectural. He wanted to design meaningful space but ended up trapped in meaningless space. His furniture store is not only a workplace. It is the failed model of the life he thought he deserved. He sells domestic comfort while sleeping in display beds. He performs comic authority in pirate costume while losing control of everything that matters.
The Backrooms give him one last architectural temptation. Here is a space nobody understands. Here is a structure beyond normal rules. Here is a maze that might make him important. Clark's flaw is not curiosity alone. Curiosity is human. His flaw is the narcissistic conversion of the impossible into personal destiny.
That is why his death by Still Life is so fitting. The Backrooms do not merely punish him. They complete his arc. Clark becomes one more object in the maze, another arrangement in a dead room, another failed interior. The man who wanted to make spaces is absorbed by a space that makes people.
Mary's arc: the therapist inside the wound
Mary begins as the character who interprets. She listens, reframes, challenges, and contains. Her job is to help Clark see his loops from the outside. But Backrooms does not allow anyone to remain outside. Eventually, Mary must enter the same kind of impossible structure she has been trying to name from a chair.
Her arc is about the collapse of professional distance. She cannot stay safely analytical when the patient's metaphor becomes a place she can walk through. This turns therapy into horror. What happens when someone else's psychological maze becomes physically real enough to trap you too?
Mary's childhood trauma gives the film its second emotional architecture. Clark's Backrooms are tied to failed work, failed marriage, failed masculinity, and failed design. Mary's are tied to home, fear, enclosure, and the inheritance of someone else's terror. She understands Clark's loops because she has her own.
The final distortion of Mary suggests that survival is not the same thing as freedom. She may leave one room only to become part of another. She may escape Clark's maze only to be copied, studied, or trapped in Async's system. The ending leaves her suspended between rescue and absorption.
The furniture store is the perfect doorway
The choice of a furniture showroom is not random. A furniture store is a place full of fake homes. It sells fragments of domestic identity: a couch for the family you want, a bed for the rest you need, a table for meals you imagine, a lamp for warmth you can buy. But in the showroom, all of those things are staged. They gesture toward life without containing it.
That makes Cap'n Clark's Ottoman Empire the perfect surface world for the Backrooms. The store is already liminal. People pass through it while imagining other rooms. Its bedroom displays are rooms that are not rooms. Its living rooms are not lived in. Its comfort is commercial, temporary, and fake.
When Clark finds the Backrooms beneath it, the film is not making a random portal choice. It is revealing the basement truth of the showroom. Under the fantasy of purchasable home lies an endless maze of rooms without belonging.
The Backrooms as internet horror
Backrooms also works as a film about internet culture without needing to put characters online every five minutes. The original Backrooms myth spread because it looked like found evidence. A strange image invited a story. The story invited more stories. Users built levels, entities, rules, and theories until the space became a collaborative nightmare.
The film turns that cultural process into plot. Clark finds an image-like space and starts interpreting it. He documents it. Others are pulled in. Institutions attempt to study it. Fans of the wider mythology look for Async clues and entity logic. Everyone wants the Backrooms to become legible.
But the best version of the Backrooms resists legibility. It is powerful because it feels like something the internet found rather than invented. Parsons' film keeps that uncanny tension alive. The Backrooms are not just a place inside the story. They are a model of how online horror works: a dead image, a missing context, a user-made mythology, and an endless appetite for more rooms.
The main themes of Backrooms
Failure as architecture
Clark's failure is not abstract. It is built around him. The store, the basement, the fake bedroom displays, the commercial corridors, and the maze all express the same idea: a life can become a structure that keeps guiding a person back to the same pain.
Rooms without belonging
The film keeps showing spaces designed for use but emptied of life. That is the essence of liminal horror. The rooms are not ruined in a dramatic way. They are functional, lit, carpeted, and dead. They have everything except purpose.
Therapy and the limits of interpretation
Mary can interpret Clark's behaviour, but interpretation is not control. The film respects therapy while also turning it into a horror situation. Naming a loop does not always break it. Sometimes the loop has walls.
The horror of being copied
The Still Life gives the film its sharpest nightmare image. The Backrooms do not only trap bodies. They may reproduce them as distorted objects. That turns identity into something unstable, editable, and vulnerable to bad replication.
Institutional curiosity as another maze
Async's presence suggests that humans respond to the unknowable by building systems around it. The film does not present that as salvation. It presents it as another kind of enclosure: labs, outposts, tests, evaluations, and files added to a space that may never care about human categories.
The ending in one clear reading
Backrooms ends as a story about a man who finds an impossible place and mistakes it for meaning. Clark enters the maze because his ordinary life has become unbearable. He keeps returning because the maze gives him scale, mystery, and an escape from shame. He brings others into it because he needs proof. When people die, he does not return to accountability. He goes deeper.
Mary follows because she is the one person still trying to understand him without surrendering to his fantasy. But the Backrooms do not simply reveal Clark. They reveal Mary too. The space turns both characters' wounds into geography.
Clark dies when he confronts a distorted version of himself, the Still Life. Mary survives the chase, but survival is compromised. Async's involvement and the final warping image suggest that nobody exits the Backrooms cleanly. Even if the body comes out, the maze keeps a version of you. It remembers badly. It copies badly. It turns people into rooms, images, files, entities, and questions.
That is the real horror of Kane Parsons' film. The Backrooms are not only a place where people disappear. They are a place where people are misunderstood forever.
For more on the film's broader horror language, read our companion essay on the plot and themes of Backrooms. The film also fits neatly beside The Astromech's wider interest in enclosed sci-fi terror, from space horror to found-footage catastrophe stories such as Cloverfield.