Over 700,000 copies sold in the series!
This single volume contains everything you need for RPGs, including ability score rolls, skill rolls, combat rules, Cthulhu Mythos references, and scenarios.
The system is based on "Basic Role-Playing," but adds sanity, Cthulhu Mythos skills, firearms combat, and more, developed specifically for enjoying horror TRPGs. Experience unprecedented tension and destruction. It extensively covers numerous creatures, deities, grimoires, and artifacts from the Cthulhu Mythos, making it an indispensable Cthulhu Mythos encyclopedia.
Includes four ready-to-play scenarios. It also introduces various Cthulhu Mythos-related incidents that actually occurred in the 20th century, providing inspiration for scenario ideas.