- Official role-playing campaign for Call of Cthulhu, designed for the Pulp Cthulhu supplement (7th Edition) - Includes nine interconnected adventures, packed with action and mystery, set in the 1930s - Players take on the role of heroes fighting against conspiracies of an ancient race of monsters - Travel through international settings: Bolivian jungles, New York, Borneo, Oklahoma, Iceland, Congo, Calcutta, and a lost continent - Face challenges such as mafias, epidemics, cults, and medical experiments - Includes full-color maps, game aids, and tips for the Keeper - Product in Spanish, physical format, dimensions 21.5 x 28 x 1.5 cm, weight 1.18 kg - Requires the Pulp Cthulhu supplement and the Call of Cthulhu base game (7th Edition) - Perfect for gaming groups seeking long, immersive, and cooperative campaigns