Sub genres of horror

 
Gore horror films, an example would be 'Saw'. Gore horror films will include killing a lot of blood and violence

Zombie Horror films, An  example would be 'Walking dead.' Zombie horror films would include zombies amongst humans on earth.

Supernatural/ghost horror films. An example of a supernatural film would be 'Paranormal activity.' This will involve maybe hauntings or supernatural beings in the natural world.

Serial killer horror films. An example would be 'Scream'. This is humans killing other humans

Comedy horror films. Such as 'Shaun of the dead'. Although it will have scary parts in it will have comedy parts too, to make you laugh but also scare you.

Monster horror film. Such as 'Clover field' Involving some sort of a monster.

 

Possession horror films. An example would be 'The devil inside.' This would include a human getting possessed by a supernatural evil sprit, such as the devil, it could include an exorcism.

 
Gothic horror films. Such as 'Sweeny Todd' This will mean a gothic theme to the film, it will be quite dark.