Best movies like Demented

A troubled woman on the edge of divorce returns home to her younger sister after years apart. But when her sister and brother-in-law betray her trust, she embarks on a vicious crusade of revenge.

A lawyer puts his family in jeopardy when he captures the last member of a violent clan and tries to forcibly tame her.

After witnessing her husband's brutal murder, Carla travels to her parents' home in a small mountain town to start over. When she's repeatedly harassed by redneck locals, Carla seeks help from the town sheriff but is met with indifference. This continues until Carla's finally attacked, raped, and her parents executed by the twisted townies. Carla, after escaping a mental hospital, resolves to get bloody revenge.

Two UCLA coeds have engine trouble in small Southern town. When they spurn the local sheriff's advances he arranges for them to be taken to the women's prison on trivial charges (the judge is a cousin), where they must endure atrocities at the hands of the administrators of the prison and the prison guards.

After a young woman suffers a brutal rape in a bar one night, a prosecutor assists in bringing the perpetrators to justice, including the ones who encouraged and cheered on the attack.

A thriller film based on a real-life mass murder that took place in 1966. Richard Franklin Speck was a mass murderer who systematically tortured, raped and murdered eight student nurses from South Chicago Community Hospital in 1966.

After a young writer is brutally gang-raped and left for dead by four men, she systematically hunts them down one by one to exact a terrible vengeance.

Two girls go on a careless hunt to buy marijuana - and end up captives of four maniacal prison escapees. The girls are then subjected to obscene torture.

Linda Blair plays Carol, a young woman who must serve 18 months in prison after driving drunk and killing a man. The prison turns out to be brimming with decadence, corruption and sleaze, where the other female inmates are sadistic crack-selling lesbian rapists and the guards and warden are no better.

Dr. Feinstone has everything, a beautiful wife and a successful career in dentistry; but when he discovers his wife's affair, he realizes that behind every clean, white surface lies the stench of decay.

Three girls discover that two men are willing to do anything to impress Mother and what impresses Mother is watching her sons commit acts of rape and murder. Now these women are prisoners and lowered to pawns in the game of checkers between two dim wits and their Maniac Mommy and the question becomes, can any of them escape, alive?

Greta a vicious warden, runs a mental-hospital for young women. A girl deliberately "checks" in to the hospital to find out what has happened to her sister who stayed there. Meanwhile Greta and one of the guards are forcing the inmates to have sex with male prisoners, filming them and selling the recordings as pornoflicks.

Two female Army agents go undercover at a Nazi prison camp to get information from a scientist being held there.

David Sumner, a mild-mannered academic from the United States, marries Amy, an Englishwoman. In order to escape a hectic stateside lifestyle, David and his wife relocate to the small town in rural Cornwall where Amy was raised. There, David is ostracized by the brutish men of the village, including Amy's old flame, Charlie. Eventually the taunts escalate, and two of the locals rape Amy. This sexual assault awakes a shockingly violent side of David.

The beautiful O is taken by her boyfriend, Rene, to a bizarre retreat, where she is trained in bondage and sexual perversion...

A young psychiatric nurse goes to work at a lonesome asylum following a murder. There, she experiences varying degrees of torment from the patients.

In Seattle, detective Quentin Conners is unfairly suspended and his partner Jason York leaves the police force after a tragic shooting on Pearl Street Bridge, when the hostage and the criminal die. During a bank heist with a hostage situation, Conners is assigned in charge of the operation with the rookie Shane Dekker as his partner. The thieves, lead by Lorenz, apparently do not steal a penny from the bank. While chasing the gangsters, the police team disclose that they planted a virus in the system, stealing one billion dollars from the different accounts, using the principle of the Chaos Theory. Further, they find that Lorenz is killing his accomplices.

Jennifer is a writer working on a new novel and, needing to get out of the city to finish it, hires a riverside apartment in upstate New York to finish her book—attracting the attention of a number of rowdy male locals.

A gang of hot headed brutes lead by Tony Stone and sexual sadist John Lynch execute a robbery with some inside help. A bloody shoot-out with the LAPD ensues and the criminals are apprehended. After a brief stint in the slammer, the gang escapes a prison-bus with the help of Tony s brother Jesse who is critically wounded in the process. He needs a doctor, fast. A hospital visit too risky, they seek out other options. Now on the run, they commandeer a palatial residence, taking hostages. All - American good guy John Morgan returns home becoming a pawn; sent out to retrieve the doctor.

L.A. screenwriter David Sumner relocates with his wife, Amy, to her hometown in the deep South. There, while tensions build between them, a brewing conflict with locals becomes a threat to them both.

A deeply disturbed photographer and Vietnam veteran, named Kirk Smith, terrorizes Los Angeles by going around strangling lingerie-clad young women in their homes while taunting Lindsay Gale, a young psychologist, by calling her on a radio call-in show to describe his sexual hang-ups and misogynistic ways, while a local police detective, Lt. McCable, is always two steps behind in trying to catch the psycho.

Two girls are driving home when their car breaks down in the country. They are kidnapped by a gang of drug-crazed hippies, and repeatedly raped. They escape, but soon run into a death cult who plan to gang-rape the girls, then kill them. Meanwhile, the father of one of the girls gets the police to begin an investigation into their disappearance.

A shackled murderer and marijuana offender escape from a Georgia chain gang.

Naturally beautiful, Katie has just settled into New York where she, like many other young women, is trying to make it as a model. But what starts out as an innocent and simple photo shoot soon turns into something disturbingly unthinkable! Raped, tortured and kidnapped to a foreign country, Jessica is buried alive and left to die. Against all odds, she manages to escape. Severely injured, she will have to tap into the darkest places of the human psyche to not only survive, but to exact her revenge…

A group of teenage girls heading into the city hook up with a gang of drug-addled ne'er-do-wells and are brutally murdered. The killers find their way to the home of one of their victim's parents, where both father and mother exact a horrible revenge.

Lucky Bastard is a "found footage" thriller about a porn website run by Mike (Don McManus) that invites fans to have sex with porn stars. Jay Paulson plays Dave, an eager young fan given a chance to have sex with the fabulous Ashley Saint (Betsy Rue). But everyone gets more than they bargained for in the seemingly mild-mannered Dave... with gruesome results. The film is captured by the "Lucky Bastard" porn cameras for a fresh take on the "found footage" genre

A young woman named Clara is captured by a serial killer named Leonard who records his “life story” by keeping a scrapbook of his many victims. In addition to adhering Polaroids, scraps of clothing, and other small trophies to the pages, Leonard has forced his victims to personally write in the scrapbook about their individual ordeals. Clara is beaten, raped, starved, and locked up like an animal, filthy and naked. She is forced to write in the scrapbook, adding her agony to the pages. She soon realizes that her only hope for survival is to manipulate Leonard through her writings in his cherished scrapbook.

There is instant chemistry between Alice (Gillian Anderson), a businesswoman, and Adam (Danny Dyer), a younger working-class man who installs a security system in her London apartment. She takes him to a party in the country, and they end up making love. But the night turns horrific when they encounter three thugs who maim Adam and rape Alice. The incident turns them into fearful recluses until Alice spots the leader of their attackers (Anthony Calf) -- and the two victims plot a brutal revenge.

Jennifer Hills is still tormented by the brutal sexual assault she endured years ago. She’s changed identities and cities, reluctantly joining a support group where she begins to piece together a new life. But when her new friend’s murderer goes free and the tales of serial rapists haunt her, Jennifer will hunt down the men responsible and do what the system won’t – make them pay for their crimes in the most horrific ways imaginable. Only this time, no jury may be able to save her.

A brutally sadistic rape leads to a series of bizarre gory murders during a midnight disco bowl-a-rama at a popular bowling alley. One by one, players of two teams meet blood-drenched gruesome deaths at the hand of a black bowling-gloved masked killer. This alley runs red with blood by sunrise.

A serial rapist stalks and murders prostitutes.

Police officer Jack Wild discovers that the well-known international terrorist Hans Becker is on a train, carrying a wealthy business man and his girlfriend. Without a second to loose Jack hires a helicopter to drop him down onto the train to try and stop whatever scheme Becker is planning.

Three sisters must spend three nights on an eerie island to inherit their father's fortune. A deformed man leads them to the estate where horrors await.

A paranoid writer is unable to get started on his second novel. He hires a secretary and then his troubles really begin.

A woman comes to New York City from Ohio to escape an abusive husband and gets entangled with murderous female vigilantes who prey on abusive men.