Well, it is based on a true story. You see, the fair has been around for a long time. It started as a small gathering of local farmers to showcase their produce. Over the years, it grew and incorporated more elements from the town's history and the people's way of life. So, in essence, it has a very real foundation that has evolved into what it is today.
Fair Game is not based on a true story. It's a work of fiction that might draw inspiration from various sources but doesn't have a direct connection to real events or people.
Vanity Fair is not based on a true story. It's a creation of the author's imagination, although it might draw inspiration from certain aspects of society and human nature at the time.
The unknown aspect. In a true scary story, when there are things that can't be easily explained, it terrifies people. For example, in a haunted house story, if there are strange noises at night and no clear source, it plays on our fear of the unknown.
One true scary story is about the Bell Witch. In Tennessee, the Bell family was haunted by a witch - like entity. It would whisper threats, move objects, and torment the family. For example, it would pull the hair of the family members and slap them. Strange noises filled their home day and night, and they were in constant fear.