It varies. Some scary movies claim to be based on true events, but they might exaggerate or fictionalize parts of the story. Others are purely the imagination of the filmmakers.
Some of the well-known scary movies based on true stories include 'The Exorcist' and 'The Amityville Horror'. They draw inspiration from real-life events and are known for their terrifying plots.
Well, 'The Texas Chainsaw Massacre' is one such scary movie based on true events. It takes elements from the crimes of serial killer Ed Gein. Another one is 'The Exorcism of Emily Rose', which is inspired by a supposed real-life exorcism case. These movies add a terrifying element of reality to the horror genre.
There are a few like 'The Silence of the Lambs'. It's not strictly a traditional horror movie, but it has terrifying elements and is based on the real-life exploits of serial killers. Also, 'The Strangers' is said to be loosely inspired by true events, creating a sense of unease and horror for viewers.
'The Exorcism of Emily Rose' is also a scary movie based on a true story. It focuses on the supposed demonic possession and the legal battle that followed. The combination of horror and courtroom drama makes it quite disturbing.
One of the best is 'The Conjuring'. It's terrifying and inspired by real events. The way it builds tension and the creepy atmosphere make it a standout.
Another one is 'The Amityville Horror'. Based on the alleged paranormal experiences of a family in a Long Island home. There are various claims and disputes about the authenticity of the events, but the movie presents it as a true story.
Another scary movie based on true events is 'The Conjuring' series. These movies are inspired by the real - life investigations of paranormal investigators Ed and Lorraine Warren. The way they build up the suspense and show the haunted houses and the malevolent spirits makes them extremely frightening.