Until Dawn writer Gary Dauberman explains exactly how the movie's ending sets up sequels for both the film and the original video game.

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,

Ella Rubin stars as Clover, a girl in search of her sister, in "Until Dawn." Credit: Kerry Brown / Sony Pictures Entertainment But how could a movie reasonably bring that dynamic into theaters, where no controller would hand over choices to the audience?