Friday the 13th one occurrence each. A Friday the 13th occurs during any month that begins on a Sunday. The fear of the number 13 has been given a scientific name: "triskaidekaphobia"; and on analogy to this the fear of Friday the 13th is called "paraskevidekatriaphobia", from the Greek words "Paraskeví" (Παρασκευή, meaning "Friday"), and "dekatreís" (δεκατρείς, meaning "thirteen"). The superstition surrounding this day may have arisen in the Middle Ages, "originating from the story of Jesus' last supper and crucifixion" in which there were 13 individuals present in the Upper Room on the 13th of Nisan Maundy Thursday, the night before his
Friday the 13th (franchise) Bracke's book, which he had also worked on, and drew from its structure and content. "Curious Goods: Behind the Scenes of Friday the 13th: The Series" by Alyse Wax, a retrospective focusing on the 1987 television series, was released in October 2015 by BearManor Media. In May 1986, Domark released a "Friday the 13th" game for the Amstrad CPC, Commodore 64, and ZX Spectrum. The plot involved the player picking a "sanctuary" and attempting to persuade others to hide there. Jason is "disguised as a friend" until he decides to attack the player. Three years later, LJN published a game