… are a genre seeking to elicit a negative emotional reaction from people by playing on the their most primal fears. Stories often feature scenes that startle the viewer through the means of macabre and the supernatural, thus they may overlap with the fantasy and supernatural genre. Horrors frequently overlap with the thriller genre.
Horror films often deal with the viewer’s nightmares, hidden worst fears, revulsions and terror of the unknown. Plots written within the horror genre often involve the intrusion of an evil force, event, or personage, commonly of supernatural origin, into the everyday world. Themes or elements often prevalent in typical horror films include ghosts, torture, gore, werewolves, ancient curses, satanism, demons,vicious animals, vampires, cannibals, haunted houses, zombies, sadism and serial killers. Conversely, stories of the supernatural are not necessarily always a horror movie as well.