Call Of Cthulhu: Two Headed Serpent

The Two-Headed Serpent is a globe-spanning 1930s campaign written for Pulp Cthulhu. Working for the medical-aid organization Caduceus, the heroes cross locations from Bolivia and New York to Borneo, Iceland, the Congo, Calcutta, and beyond while opposing an ancient race’s conspiracy to reclaim the world.

The campaign contains nine action-heavy adventures, Keeper advice, full-color maps, and player handouts. It is designed for Pulp Cthulhu, though Chaosium notes it can be adapted to the Call of Cthulhu 7th Edition core rules.

Campaign Length: 9 linked adventures (extended campaign)