The Complete Masks of Nyarlathotep is an adventure campaign published by Chaosium in 1996 for the horror role-playing game Call of Cthulhu; it is the third edition of the adventure campaign Masks of Nyarlathotep originally published in 1984. It is a series of several sequential adventures set in the 1920s that take the player characters from New York, to London, Cairo, Nairobi, and Shanghai as they deal with the threat of the god Nyarlathotep. The Complete Masks of Nyarlathotep is a revised and expanded version of the original adventure scenario with additional material by new authors. It won an Origins Award and received positive reviews in game periodicals including Arcane and Dragon.
