what horror movies is based on true events?
240050
['The Exorcist (1973) ... ', 'The Texas Chainsaw Massacre (1974) ... ', 'A Nightmare On Elm Street (2010) ... ', "Child's Play (1988) ... ", 'The Amityville Horror (2005) ... ', 'Psycho (1960) ... ', 'The Girl Next Door (2007) ... ', 'The Conjuring (2013)']
1428582
['Bird Box.', "Devil's Gate.", 'Insidious.', "Child's Play.", 'Sinister.', 'The Silence.', 'Truth or Dare.', 'In the Tall Grass.']
1012636
Although many people are inspired by movies, and there may most certainly have been some notable murders that could have been inspired by Saw's fictional killer Jigsaw... there is no real Jigsaw killer. The Saw franchise, no matter how creative, is not based upon a true story.
458884
["WATCH. Rosemary's Baby. Horror: Mia Farrow in Rosemary's Baby. ... ", 'KNOW. Batman. The original: Adam West as Batman. ... ', "WATCH. Easy Rider. Fork in the road: Peter Fonda and Dennis Hopper in 1969's Easy Rider. ... ", 'WATCH. The Wrecking Crew.']
1405044
Is The Victim based on a true story? The Victim on BBC One is entirely fictional and is not based on one particular event. BBC viewers will witness the storyline of a grieving mother accused of exposing the man she believes is the murderer of her child online.
1001214
['Pet Sematary (April 5) Yes to horror. ... ', 'Amazing Grace (April 5) Amazing Grace is the oldest, newest film of the bunch—and likely to be one of the best of the month. ... ', 'High Life (April 12) ... ', 'Little (April 12) ... ', 'Hellboy (April 12) ... ', 'The Curse of La Llorona (April 19)']
443018
Share, adapted into a full-length movie from a short film by the same name, is not directly based on a single "true story," but it depicts an aspect of modern life that's terrifyingly real.
365162
['Saw (2004) An error occurred. ... ', '28 Days Later (2002) An error occurred. ... ', 'The Silence Of The Lambs (1991) ... ', 'Halloween (1978) ... ', 'The Thing (1982) ... ', 'Paranormal Activity (2007) ... ', 'The Blair Witch Project (1999) ... ', 'Funny Games (1997)']
163276
['Rambo: Last Blood.', 'The Goldfinch.', 'Hustlers.', 'The Wedding Year.', 'Zeroville.', 'Running With the Devil.', 'The Day Shall Come.']
684302
Officially, these two movies mentioned in the other answers - Silent Hill (2006), based on the first and the second games, and Silent Hill: Revelations (2012), based on the third game, primarily. Unofficially, there is another movie that is not related to the original plot of the series.
1350508
['Little. April 4, 2019.', 'Pet Sematary. April 4, 2019.', 'The Best of Enemies. April 5, 2019.', 'The Haunting of Sharon Tate. April 5, 2019.', 'Hellboy. April 10, 2019.', 'Breakthrough. April 10, 2019.', 'After. April 11, 2019.', 'The Furies. April 12, 2019.']
128736
Share, adapted into a full-length movie from a short film by the same name, is not directly based on a single "true story," but it depicts an aspect of modern life that's terrifyingly real. ... '" The video went on for over 10 minutes and at no point did the filmer attempt to help her friend or call 911.
210608
['The Conjuring (2013)', 'Annabelle (2014)', 'The Conjuring 2 (2016)', 'Annabelle: Creation (2017)', 'The Nun (2018)', 'The Curse Of La Llorona (2019)', 'Annabelle Comes Home (2019)']
793826
Is Based on a True Story based on a true story? ... In that respect, Based on a True Story reminds me of nothing so much as Stephen King's Misery. In Misery, a middle-aged writer, Paul Sheldon, finds himself imprisoned by a reader. Like L., Annie Wilkes feels strongly about what Paul should and shouldn't be writing.
1207158
['Tell the story of a scar.', 'A group of children discover a dead body.', 'A young prodigy becomes orphaned.', 'A middle-aged woman discovers a ghost.', 'A woman who is deeply in love is crushed when her fiancé breaks up with her.', "A talented young man's deepest fear is holding his life back."]
1010482
['15 REAL: True Life Really Showed Real Stories.', '16 FAKE: Catfish Basically Catfished Us All. ... ', '17 REAL: The Stunts On Jackass Were Unscripted. ... ', "18 FAKE: Teen Mom Isn't All Reality. ... ", '19 REAL: Rob & Big Was A True Story Of Friendship. ... ', '20 FAKE: Pimp My Ride Was All For Entertainment. ... ']
685405
['The Curse of the Black Pearl (2003)', 'Dead Men Tell No Tales (2017) ... ', "Dead Man's Chest (2006) ... ", "At World's End (2007) ... ", 'On Stranger Tides (2011) ... ']