Call of Cthulhu - Cthulhu by Gaslight 'Keepers Guide'

Step into the fog-choked streets of Victorian England with the Cthulhu by Gaslight Keeper’s Guide for Call of Cthulhu. This immersive supplement equips Keepers with everything needed to run chilling investigative campaigns in the 1890s, where Gothic horror, occult conspiracies, and cosmic terrors intersect with industrial progress and societal unrest.

Inside, you’ll find deep historical lore, atmospheric setting material, and detailed guidance for portraying London and the wider British Empire at the height of the Gaslight Era. The book includes new rules, NPCs, period technologies, locations, and mythos threats, along with story seeds and mysteries tailored to Victorian tension and supernatural dread.

Whether your investigators are navigating elite society, exploring hidden cults, or confronting ancient horrors lurking beneath London’s smog, this guide provides all the tools to craft gripping, atmospheric adventures. A must-have for any Keeper looking to run dark and evocative Call of Cthulhu campaigns in a bygone age.