This film is an unofficial remake of the psychological thriller Death Game (1977) that featured Seymour Cassel, Sondra Locke and Colleen Camp in the lead roles. Later, horror director Eli Roth wrote and directed Knock Knock (2015), the official remake of Death Game (1977), starring Keanu Reeves, Roth's wife Lorenza Izzo and Ana de Armas. The remake was co-produced by the female stars of the first version, Sondra Locke and Colleen Camp.