Larry Fessenden and Graham Reznick wrote the Until Dawn video game, but you won't see their names in the film's credits.

Until Dawn is the latest video game to get itself a film adaptation, having made its cinematic debut on 25th April.

Larry Fessenden and Graham Reznick wrote 10,000 pages and set a Guinness World Record for the 2015 video game, but such writers are rarely acknowledged in adaptations of their work: "I thought somebody would have bothered to throw in our names,