Horror is the most visceral and most personal of all film genres — the movies that genuinely frighten you reveal something about your deepest fears. The Shining is the most analysed horror film ever made, a psychological labyrinth that rewards repeated viewing with new interpretations. The Exorcist traumatised an entire generation and remains the standard against which all supernatural horror is measured. Get Out used the genre to deliver one of the sharpest social commentaries in modern cinema. Hereditary restored genuine dread to horror after years of jump scares and cheap thrills. Halloween invented the slasher genre and inspired a thousand imitations. What is the greatest horror movie ever made?