15 Horror and Psychological Anime Like Monster
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If you’ve seen Monster, you’ll know it’s no ordinary anime. It’s a chilling exploration of human depravity, morality, and the thin line between good and evil. The series isn’t afraid to delve into themes like child abuse, mass murder, human experimentation, and the value of life itself. But despite the darkness, there’s always a glimmer of hope—a flicker of love and redemption amidst the chaos.
If you're craving more anime with similarly deep psychological themes, intricate plots, and haunting atmospheres, you’re in the right place. Here are 15 must-watch horror and psychological anime like Monster that will leave you on edge.
15 Horror and Psychological Anime Like Monster
| Position | Anime |
|---|---|
| 15 | Paranoia Agent |
| 14 | Babylon |
| 13 | Another |
| 12 | Kaiji: Ultimate Survivor |
| 11 | Rainbow: Nisha Rokubou no Shichinin |
| 10 | Serial Experiments Lain |
| 9 | Terror in Resonance |
| 8 | Texhnolyze |
| 7 | Steins;Gate |
| 6 | Master Keaton |
| 5 | Parasyte: The Maxim |
| 4 | Perfect Blue |
| 3 | Psycho-Pass |
| 2 | Gankutsuou: The Count of Monte Cristo |
| 1 | Death Note |
15. Paranoia Agent
Director: Satoshi Kon
Genre: Psychological Thriller, Mystery
The infamous Shounen Bat is terrorizing the residents of Musashino City. Flying around on his rollerblades and beating people down with a golden baseball bat, the assailant seems impossible to catch—much less understand. His first victim, the well-known yet timid character designer Tsukiko Sagi, is suspected of orchestrating the attacks. Believed only by her anthropomorphic pink stuffed animal, Maromi, Tsukiko is just one of Shounen Bat's many victims.
As Shounen Bat continues his relentless assault on the town, detectives Keiichi Ikari and Mitsuhiro Maniwa begin to investigate the identity of the attacker. However, more and more people fall victim to the notorious golden bat, and news of the assailant begins circulating around the town. Paranoia starts to set in as chilling rumors spread amongst adults and children alike.
Will the two detectives be able to unravel the truth behind Shounen Bat, or will the paranoia get to them first?
14. Babylon%20(23).jpeg)
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Genre: Psychological, Thriller, Political
In the newly formed Shiniki district of Tokyo, Zen Seizaki is a diligent public prosecutor at the Tokyo District Public Prosecutors Office. Assigned to a case involving false advertisement, Zen—along with his assistant officer, Atsuhiko Fumio—investigate Japan Supiri, a pharmaceutical company that had provided fabricated clinical research on the company's new drug. While investigating the file of Shin Inaba, an anesthesiologist connected to the crime, the case takes a dark turn when Zen finds a page stained with a mixture of blood, hair and skin, along with the letter "F" scribbled all across the sheet. As he investigates further, the case goes beyond Zen's imagination and becomes vastly complex, challenging his sense of justice and his knowledge of the truth.
Digging deeper into the investigation, Zen begins to uncover a concealed plot behind the ongoing mayoral election and ties to many people of interest involved in the election and those closer than he thinks. The case grows more severe and propels Zen into an unforeseen hurricane of corruption and deceit behind the election, the establishment of the Shiniki district, and the mysterious woman associated with it all.
13. Another
Genre: Horror, Mystery
In class 3-3 of Yomiyama North Junior High, transfer student Kouichi Sakakibara makes his return after taking a sick leave for the first month of school. Among his new classmates, he is inexplicably drawn toward Mei Misaki—a reserved girl with an eyepatch whom he met in the hospital during his absence. But none of his classmates acknowledge her existence; they warn him not to acquaint himself with things that do not exist. Against their words of caution, Kouichi befriends Mei—soon learning of the sinister truth behind his friends' apprehension.
The ominous rumors revolve around a former student of the class 3-3. However, no one will share the full details of the grim event with Kouichi. Engrossed in the curse that plagues his class, Kouichi sets out to discover its connection to his new friend. As a series of tragedies arise around them, it is now up to Kouichi, Mei, and their classmates to unravel the eerie mystery—but doing so will come at a hefty price.
12. Kaiji: Ultimate Survivor%20(24).jpeg)
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Genre: Psychological Thriller, Gambling
After one of his coworkers fails to repay a debt, apathetic bum Kaiji Itou is pressured by loan sharks to settle the large sum of cash. Since Kaiji has little money and no future prospects of his own, he is unable to return what his colleague borrowed. Faced with massive financial burdens, Kaiji is given an offer to board the illustrious Espoir—it is said that "one night aboard the ship, and all of your debts will be paid."
What seems like a simple night of gambling quickly turns into a game of strategy and betrayal. With the losers of the tournament being subjected to a backbreaking life of indebted servitude, Kaiji must choose his actions—and allies—carefully. However, this is only the beginning of a series of gambles that will wager Kaiji's life, testing the full extent of his wits and will to survive.
11. Rainbow: Nisha Rokubou no Shichinin%20(25).jpeg)
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Genre: Drama, Psychological
Japan, 1955: Mario Minakami has just arrived at Shounan Special Reform School along with five other teenagers who have been arrested on serious criminal charges. All assigned to the same cell, they meet older inmate Rokurouta Sakuragi—a former boxer—with whom they establish a close bond. Under his guidance, and with the promise that they will meet again on the outside after serving their sentences, the delinquents begin to view their hopeless situation in a better light.
The seven cellmates struggle together against the brutal suffering and humiliation inflicted upon them by Ishihara, a sadistic guard with a grudge on Rokurouta, and Gisuke Sasaki, a doctor who takes pleasure in violating boys. Facing such hellish conditions, the seven inmates must scrape together all the strength they have to survive until their sentences are up; but even if they do, just what kind of lives are waiting for them on the other side?
10. Serial Experiments Lain%20(26).jpeg)
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Genre: Psychological, Cyberpunk
Lain Iwakura, an awkward and introverted fourteen-year-old, is one of the many girls from her school to receive a disturbing email from her classmate Chisa Yomoda—the very same Chisa who recently committed suicide. Lain has neither the desire nor the experience to handle even basic technology; yet, when the technophobe opens the email, it leads her straight into the Wired, a virtual world of communication networks similar to what we know as the internet. Lain's life is turned upside down as she begins to encounter cryptic mysteries one after another. Strange men called the Men in Black begin to appear wherever she goes, asking her questions and somehow knowing more about her than even she herself knows. With the boundaries between reality and cyberspace rapidly blurring, Lain is plunged into more surreal and bizarre events where identity, consciousness, and perception are concepts that take on new meanings.
Written by Chiaki J. Konaka, whose other works include Texhnolyze, Serial Experiments Lain is a psychological avant-garde mystery series that follows Lain as she makes crucial choices that will affect both the real world and the Wired. In closing one world and opening another, only Lain will realize the significance of their presence.
9. Terror in Resonance%20(27).jpeg)
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Genre: Psychological Thriller, Mystery
Painted in red, the word "VON" is all that is left behind after a terrorist attack on a nuclear facility in Japan. The government is shattered by their inability to act, and the police are left frantically searching for ways to crack down the perpetrators. The public are clueless—until, six months later, a strange video makes its way onto the internet. In it, two teenage boys who identify themselves only as "Sphinx" directly challenge the police, threatening to cause destruction and mayhem across Tokyo. Unable to stop the mass panic quickly spreading through the city and desperate for any leads in their investigation, the police struggle to act effectively against these terrorists, with Detective Kenjirou Shibazaki caught in the middle of it all.
Zankyou no Terror tells the story of Nine and Twelve, the two boys behind the masked figures of Sphinx. They should not exist, yet they stand strong in a world of deception and secrets while they make the city fall around them, all in the hopes of burying their own tragic truth.
8. Texhnolyze
Genre: Psychological, Cyberpunk
In the dark underground city of Lux, people live in fear and despair under the rule of various criminal factions. Almost secluded from the surface, the gangs' only interaction with the outer world is their mining operation of "raffia," which is the raison d'être of the city.
Available only in Lux, this rare substance is the basis of "texhnolyze" transplants that permit humans to replace parts of their body with cybernetic prostheses. The latter have the particularity not to trigger an immune response in their hosts and the "Class" has the privilege to conduct research on them. This elusive organization, also in charge of the raffia production, delegates its executive authority to a group called Organo led by Keigo Oonishi—a self-righteous man with texhnolyzed legs who is rumored to hear the "voice of the city."
The fragile balance of powers in Lux is disturbed when a mysterious visitor named Kazuho Yoshii begins committing a series of crimes that puts the gangs at each other's throats. In the midst of the chaos, new actors emerge: Ichise, an ex-boxer mutilated by Organo and recently texhnolyzed by Eriko "Doc" Kamata; and Ran, a young florist who can see the future. While Lux steadily plunges into insanity, both Ichise and Ran find themselves involved in the greatest crisis the city has ever faced.
7. Steins;Gate%20(28).jpeg)
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Genre: Sci-Fi, Psychological Thriller
Eccentric scientist Rintarou Okabe has a never-ending thirst for scientific exploration. Together with his ditzy but well-meaning friend Mayuri Shiina and his roommate Itaru Hashida, Okabe founds the Future Gadget Laboratory in the hopes of creating technological innovations that baffle the human psyche. Despite claims of grandeur, the only notable "gadget" the trio have created is a microwave that has the mystifying power to turn bananas into green goo.
However, when Okabe attends a conference on time travel, he experiences a series of strange events that lead him to believe that there is more to the "Phone Microwave" gadget than meets the eye. Apparently able to send text messages into the past using the microwave, Okabe dabbles further with the "time machine," attracting the ire and attention of the mysterious organization SERN.
Due to the novel discovery, Okabe and his friends find themselves in an ever-present danger. As he works to mitigate the damage his invention has caused to the timeline, Okabe fights a battle to not only save his loved ones but also to preserve his degrading sanity.
6. Master Keaton
Genre: Adventure, Mystery, Psychological
Taichi Keaton is a former SAS operative, an archaeologist, and an insurance investigator. His journeys take him across the globe, solving mysteries and uncovering hidden truths.
While not as dark as Monster, Master Keaton shares its mature storytelling and philosophical reflections on humanity. It’s an underrated gem that balances action, intellect, and emotion.
5. Parasyte: The Maxim%20(29).jpeg)
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Genre: Sci-Fi, Psychological, Horror
All of a sudden, they arrived: parasitic aliens that descended upon Earth and quickly infiltrated humanity by burrowing into the brains of vulnerable targets. These insatiable beings acquire full control of their host and are able to morph into a variety of forms in order to feed on unsuspecting prey.
Sixteen-year-old high school student Shinichi Izumi falls victim to one of these parasites, but it fails to take over his brain, ending up in his right hand instead. Unable to relocate, the parasite, now named Migi, has no choice but to rely on Shinichi in order to stay alive. Thus, the pair is forced into an uneasy coexistence and must defend themselves from hostile parasites that hope to eradicate this new threat to their species.
4. Perfect Blue
Director: Satoshi Kon
Genre: Psychological, Horror
J-pop idol group CHAM! has spent the last two years entertaining its fans. Sadly, all good things must come to an end, and CHAM! must see one of its members, Mima Kirigoe, leave the group to pursue her acting career. While Mima's choice is met with a mixed response, she hopes her fans will continue to support her.
However, Mima's life begins to change drastically after her departure from the group. Wanting to shed her pop-idol image, she takes on a role in a crime drama series, and her career as an actress gradually becomes more demanding and taxing for both Mima and her manager, Rumi Hidaka. To add to Mima's growing unease, an obsessed fan who is incapable of accepting that Mima has quit being an innocent idol, begins stalking her; a new anonymous website begins to impersonate her life with intricate detail; and CHAM! also appears to be doing better without her. One by one, each disturbing development drives Mima to become increasingly unhinged and unable to distinguish reality from fantasy.
3. Psycho-Pass%20(30).jpeg)
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Genre: Psychological, Sci-Fi, Crime
In a future governed by the Sibyl System, individuals’ potential for criminal behavior is measured and monitored. Inspector Akane Tsunemori and Enforcer Shinya Kogami must navigate a society where justice is dictated by algorithms. In the 22nd century, Japan enforces the Sibyl System, an objective means of determining the threat level of each citizen by examining their mental state for signs of criminal intent, known as their Psycho-Pass. Inspectors uphold the law by subjugating, often with lethal force, anyone harboring the slightest ill-will; alongside them are Enforcers, jaded Inspectors that have become latent criminals, granted relative freedom in exchange for carrying out the Inspectors' dirty work.
Into this world steps Akane Tsunemori, a young woman with an honest desire to uphold justice. However, as she works alongside veteran Enforcer Shinya Kougami, she soon learns that the Sibyl System's judgments are not as perfect as her fellow Inspectors assume. With everything she has known turned on its head, Akane wrestles with the question of what justice truly is, and whether it can be upheld through the use of a system that may already be corrupt.
2. Gankutsuou: The Count of Monte Cristo%20(31).jpeg)
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Genre: Drama, Psychological Thriller
In the year 5053, French aristocrats Viscount Albert de Morcerf and Baron Franz d'Epinay attend the festival of Carnival on the moon city of Luna. While Franz is just looking to have fun, Albert is seeking something more to fill his life—but he finds more than he bargained for in The Count of Monte Cristo, a mysterious and charming self-made nobleman who meets his gaze during an opera performance.
Through a few twists and turns, Albert befriends the Count and introduces him into French society. The Count, however, has more on his mind than just friendship; he plots to finally unleash his vengeance on those who wronged him years earlier. Gankutsuou follows Albert and the Count's intertwined destinies and the ultimate price paid for enacting revenge.
1. Death Note%20(18).jpeg)
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Genre: Psychological Thriller, Supernatural
Brutal murders, petty thefts, and senseless violence pollute the human world. In contrast, the realm of death gods is a humdrum, unchanging gambling den. The ingenious 17-year-old Japanese student Light Yagami and sadistic god of death Ryuk share one belief: their worlds are rotten.
For his own amusement, Ryuk drops his Death Note into the human world. Light stumbles upon it, deeming the first of its rules ridiculous: the human whose name is written in this note shall die. However, the temptation is too great, and Light experiments by writing a felon's name, which disturbingly enacts his first murder.
Aware of the terrifying godlike power that has fallen into his hands, Light—under the alias Kira—follows his wicked sense of justice with the ultimate goal of cleansing the world of all evil-doers. The meticulous mastermind detective L is already on his trail, but as Light's brilliance rivals L's, the grand chase for Kira turns into an intense battle of wits that can only end when one of them is dead.
If you loved Monster for its psychological depth, moral complexity, and compelling storytelling, these anime are sure to captivate you. Happy watching!
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