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Now on Roll20: The Two-Headed Serpent for Pulp Cthulhu

Posted by Michael O'Brien on 20th Feb 2025

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The Two-Headed Serpent is an action-packed, globe-spanning, and high-octane campaign set in the 1930s for Pulp Cthulhu. The heroes face the sinister conspiracies of an ancient race of monsters hell-bent on taking back a world that was once theirs. And now it is available on Roll20 VTT!

Working for Caduceus, a medical aid organization, the heroes will loot a lost temple in the forests of Bolivia, go head-to-head with the Mafia in New York City, face a deadly epidemic in the jungles of North Borneo, uncover the workings of a strange cult in dust-bowl-era Oklahoma, infiltrate enemy territory inside an awakening volcano in Iceland, face the horrors of hideous medical experiments in the Congo, race to control an ancient and powerful artifact on the streets of Calcutta, and ultimately travel to a lost continent for a desperate battle to save humanity from enslavement or annihilation!

Packed with nine adrenalin-fuelled adventures, Keeper advice, gorgeous full-color maps and player handouts.

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 Product Information

Roll20 Enhancements:

  • All maps, handouts, art, and character sheets fully integrated and ready for the virtual tabletop.
  • Maps with GM layer information and dynamic lighting support (requires plus / pro subscription).
  • The Two-Headed Serpent Module (2-6 investigators plus Keeper)
  • The Two-Headed Serpent Compendium (drag and drop supported NPCs, spells, and items from the campaign)
  • The Two-Headed Serpent Token Pack (100+ tokens ready to be used in your Call of Cthulhu campaigns)

System: Call of Cthulhu 7th Edition
Length: Long Campaign
Installation: 1 Module, 1 Compendium, 1 Art Pack

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Get your copy of The Two-headed Serpent today:

Pulp Cthulhu: The Two-Headed Serpent on Roll20 VTT: $22.49

Also available in the following formats

  • Full color hard cover - $44.95 (price inc PDF)
  • PDF from Chaosium - $22.50
  • PDF from DriveThruRPG - $22.50

Note: The Two-Headed Serpent has been specifically written to be played with Pulp Cthulhu, although (with adjustment) the campaign can be played just with the core Call of Cthulhu 7th Edition rule set.

More Call of Cthulhu – and Pendragon – available on Roll20!

Explore the wide range of Call of Cthulhu and Pendragon releases on the Chaosium Marketplace page at Roll20.com.