Call of Cthulhu: Innsmouth is the definitive guide to the rotting seaport and describes its secretive residents, decaying businesses, and secrets.

For Mature Readers: contains mature themes and is intended for mature players.

This supplement is part of the Arkham Unveiled line and is designed for use with both the Call of Cthulhu roleplaying game and, optionally, the Pulp Cthulhu supplement, both available separately.

A sandbox campaign setting, detailing the entire town of insmouth, including hundres of locations to explore. Over 80 detailed NPCs for players to encounter, each with their own unique story seeds. Extensive street maps, floorplans of key locations throughout the town. New spells and tomes for players to discover during their investigations.