Collection: Chaosium

Essential companion for investigators facing cosmic horror and creeping madness. Expanded occupations and skills deepen your descent into Lovecraftian mystery.

The definitive guide to running cosmic horror investigations in Lovecraft's universe. Sanity-shattering encounters await those who dare peek behind reality's veil.

The legendary second edition of Call of Cthulhu in a collectible boxed set - timeless and essential.

Two hardcovers, one complete game - step into the fog-shrouded streets of Victorian London and find out what's lurking in the shadows.

Victorian England, cosmic horror, and the complete Call of Cthulhu rules - all in one book.

Guide your players through a Victorian England steeped in cosmic dread with this comprehensive Keeper's resource.