Content Warning: The following article contains discussions of graphic violence, animal cruelty, sexual assault, and rape.Everybody loves a good scare, as the undying popularity of horror movies continues to prove. From unexpected jump scares and eerie atmosphere, to terrifying creatures and supernatural occurrences, a lot of fun can be had with the genre. However, these films aren’t always meant to be a pleasant experience, and there are some horror movies that are actually scary and truly disturbing and twisted that even the most seasoned enthusiast would struggle to sit through.

Whether it’s due to graphic violence, excessive gore, controversial subject matter, or unsettling imagery, these movies are hard to unsee. The scariest horror movies will definitely have viewers questioning the filmmaker's intentions and leave them with no desire to revisit them in the near future. These most disturbing horror movies in cinematic history are full of controversial plots and genuinely nightmare-inducing sequences, which often end up becoming hot topics of discussion among fans and critics alike. Feel good family fun, this certainly is not.

45 'The Killing of a Sacred Deer' (2017)

Directed by Yorgos Lanthimos

Director Yorgos Lanthimos is known for his unique movies, like The Favourite and Poor Things, which usually feature an offbeat tone, quirky characters, and deadpan delivery. However, the director’s darkest film to date is the horror-thriller The Killing of a Sacred Deer, which still retains the director’s signature elements, but in a far more sinister manner. Colin Farrell plays Steven Murphy, a wealthy surgeon and family man who has a seemingly perfect life.

When Steven meets the strange and awkward teen Martin (Barry Keoghan), he takes him under his wing. Martin then infiltrates his family home, and violent and unsettling occurrences begin to take place. While The Killing of a Sacred Deer isn’t as graphic as some traditional horror movies, it has an eerie and uncomfortable tone that is hard to stomach, making for an uncomfortable viewing experience.

44 'The Exorcist' (1973)

Directed by William Friedkin

Arguably the most iconic demonic possession horror movie, The Exorcist is a classic within the genre, and influenced a whole new generation of horror movies. The film follows Regan (Linda Blair), a young girl who becomes possessed by a demonic entity, and her mother, Chris (Ellen Burstyn), who enlists the help of two priests to save her.

At the time of release, The Exorcist was the scariest horror movie audiences had ever seen, with viewers even fainting. While some of the film’s scare factor has become outdated thanks to the evolution of filmmaking and effects, and almost seems tame compared to other movies, The Exorcist is still scarier than some horror movies released today. It is striking and unnerving, with visceral imagery that has become legendary in the horror pantheon.

43 'Barbarian' (2022)

Directed by Zach Cregger

Barbarian is one of the most bonkers horror movies to hit screens in recent memory. On the surface, it seems like your standard creepy horror flick. A woman named Tara (Georgina Campbell) books an Airbnb, only to find it has been double-booked by a mysterious stranger named Keith (Bill Skarsgård). Just when you think you know where the narrative is going, Barbarian flips the script and goes to a totally unexpected and wild place.

The film’s second half is completely demented and gross, but it does not reach the disturbing level of some of the higher-ranked films on this list due to its unexpected humor and self-awareness. Barbarian is a totally wild and unpredictable ride that will have viewers questioning what it is they just witnessed.

42 'The Conjuring' (2013)

Directed by James Wan

James Wan is one of the most popular horror directors working in the industry today, responsible for hits like Saw and Insidious. However, it was his 2013 film The Conjuring that reinvigorated the horror genre for the first time in years, giving it new life. Based on true events (what everybody wants to hear at the start of a horror movie), the film follows paranormal investigators Ed (Patrick Wilson) and Lorraine Warren (Vera Farmiga), who help a family being terrorized by a supernatural presence.

Along with a genuinely intriguing story and fleshed-out characters, The Conjuring brought back old-school scares in a way that remains fresh and exciting. The film also introduced fans to the now infamous Annabelle doll, and its success would go on to launch a franchise.

41 'The Perfection' (2018)

Directed by Richard Shepard

Netflix has released a slew of original horror films, but one that stands out (and is easily underrated) is The Perfection, starring Get Out and M3GAN’s Allison Williams. Williams plays troubled music prodigy Charlotte, who returns to her prestigious music school to find that she has been replaced by new star pupil Lizzie (Logan Browning).

The pair are sent down a sinister path there is no returning from, embarking on the ultimate revenge plot. While viewers may initially make comparisons to a rivalry narrative like Black Swan, it turns out The Perfection is much more David Cronenberg's body horror style. The film takes big swings and risks, featuring some incredibly repulsive and striking imagery that will leave you squirming.

40 'Funny Games' (1997)

Directed by Michael Haneke

Despite not technically being a horror movie, Michael Haneke’s original Funny Games is one of the most terrifying non-horror films of all time, and is truly difficult to stomach. The psychological thriller follows two young men (Arno Frisch and Frank Giering) who hold a family hostage in their lakeside vacation home. They abuse and force them to play sadistic games for their own sick entertainment.

The psychotic Paul (Firsch) and Peter (Giering) often break the fourth wall throughout the film, directly addressing the audience. The pair tease the viewers, asking them moral questions and therefore making them feel complicit by simply watching the torture play out on screen. It’s an effective narrative technique that makes the whole viewing experience much harder to digest. By the end of Funny Games, audiences will be asking themselves what exactly they got out of watching something so horrid.

39 'Deliver Us from Evil' (2014)

Directed by Scott Derrickson

While there are definitely better exorcism films out there than Scott Derrickson’s Deliver Us from Evil, there is no denying that it leaves you feeling unsettled and frightened. Eric Bana plays Ralph, a police officer who teams up with Mendoza (Édgar Ramírez), a priest, to combat possessions that are wreaking havoc on New York City.

From gruesome corpses to otherworldly demons, Deliver Us from Evil features some truly grotesque and scarring imagery that leaves an impact. Its religious themes are also extremely dark and disturbing, but thanks to its cop drama element and moments of levity, it is not the scariest movie on this list. However, the film is still a gnarly and bleak horror outing that is not for the faint of heart.

38 '[Rec]' (2007)

Directed by Paco Plaza and Jaume Balagueró

The use of found-footage filmmaking is extremely popular within the horror genre, thanks to the success of films like The Blair Witch Project. One of the most effective and frightening uses of the stylistic technique can be seen in the Spanish horror film [Rec]. Entirely using found footage, it depicts a television reporter (Manuela Velasco) and her cameraman (Pablo Rosso), who follow emergency workers into a dark apartment building.

There is a virus outbreak, trapping everybody inside and slowly turning people into vicious cannibals. The found-footage presentation makes [Rec] feel terrifyingly authentic and intimate, fully immersing the viewer in a very realistic manner. The gruesome effects, convincing acting, and production elements make it feel as if you are watching a real TV report, and the film’s bleak ending will leave viewers feeling extremely unsettled.

Rent on Amazon

37 'Host' (2020)

Directed by Rob Savage

We have all become far too familiar with Zoom and communicating remotely through work meetings and social catch-ups during the COVID-19 pandemic. In 2020, director Rob Savage capitalized on the popularity of the application (and social circumstances) to make Host, a film that proves you don’t need a big budget to make something terrifying.

Filmed entirely through webcams and set on a computer screen, a group of friends perform an online seance and accidentally invite a demonic presence into their homes. Savage uses simple tricks to conjure up genuinely nasty scares during a heart-pounding runtime of just under an hour. Host is a brilliant technical experiment, and Zoom meetings will never be the same again.

36 'The Descent' (2005)

Directed by Neil Marshall

One of the most terrifying and claustrophobic movies ever made, The Descent is a lean and nasty horror experience. The film follows a group of friends on a cave expedition, where they become trapped inside and are hunted by bloodthirsty creatures. The film is a back-to-basics horror thriller, utilizing the isolation and limited space of its setting for some truly horrific and visceral sequences.

It starts with a slow-burn build and then releases full carnage for its remaining runtime. The suffocating atmosphere of the caves and the situation makes this film so uncomfortable and scary to watch, as it plays on people’s real-life fears of closed and small spaces. The Descent’s ending is also incredibly grim, leaving viewers with a sense of hopelessness as the credits roll.

Watch on Amazon Prime

35 'Veronica' (2017)

Directed by Paco Plaza

Commonly referred to as one of the scariest movies on Netflix, Veronica is full of well-executed scares and demonic imagery that will haunt audiences. During a solar eclipse, a teenage girl (Sandra Escacena) uses an Ouija board with her friends to summon her father. Afterward, she becomes plagued by evil forces.

Veronica features all the unease and spookiness of any possession film, but what really makes it so memorable and frightening is the fact that it is loosely based on a true story. It takes inspiration from the Vallecas case, where a young girl similarly used the board to contact a loved one, and died soon after. The movie has a sense of realism that makes it incredibly creepy and difficult to sit through.

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34 'The Hills Have Eyes' (2006)

Directed by Alexandre Aja