Chaosium

Change has come to the people of Aztlan. The Theans arrived one hundred years ago and failed in their ambitions of conquest, but their words and de...

A mind-bending campaign for Pulp Cthulhu! Brendan Sterling sought answers in experimental past-life regression. Unfortunately, his mind isn't the ...

Description Specifications Reviews      A Beginner-Friendly Campaign for Call of Cthulhu Death and Discovery in the Vermont HillsFoll...

Alone Against The Dark is an adventure for one player, set in the fall of 1931. Your goal is to solve strange disappearances and to forestall a cal...

Solitaire adventure in Canada's wilds. Alone Against the Frost is a solo horror adventure for one player, set during a research expedition to Cana...

Solitaire adventure by the Lakeshore. Set in the 1920s, Alone Against the Tide is a solo horror adventure for the Call of Cthulhu roleplaying game...

“The famous Arthur?I had begun to think you were a legend…”A literary novel of Arthurian legend, Arthur the Soldier peers through the myths of King...

Basic Roleplaying (BRP) is a system of core rules for tabletop roleplaying. Whether you’re a seasoned roleplaying veteran or new to the hobby, Basi...

To celebrate Chaosium's 50 Anniversary, Chaosium have printed the Keeper Rulebook, Investigator Handbook, the Keeper Screen Pack and the Slipcase w...

This Starter Box contains everything you need to start playing Call of Cthulhu—the tabletop roleplaying game of mystery and horror.  Players take o...

Alone Against The Static is a modern-era scenario designed for one player. Players will choose to take on the role of either Alex or Charlie, and f...

On the streets of Arkham, the threat of the Cthulhu Mythos is ever-present.Call of Cthulhu: Arkham is the definitive guide to the signature setting...

Cthulhu Dark Ages is a world lit only by fire. The ancient empires collapsed centuries ago, taking their culture and learning with them. It’s dark ...

Collected Wisdom: Keeper Tips Book - Call of Cthulhu   Imagine, if you will, that you are sat with a group of experienced Keepers, each sharing ide...

This storage box holds an entire Hero Realms collection, with or without sleeves, with room to spare for future sets and even a playmat! Use the in...

Cults of Cthulhu delves into the human side of the dark and horrific world of those who worship the dead yet dreaming abomination known as Great Ct...

Five Scenarios for beginning Keepers. Doors To Darkness provides five scenarios written especially for beginning Keepers and players of Call of Ct...

The scenarios in Cthulhu by Gaslight: Dust & Blood book reveal the grimy underbelly of Victorian London. “Ashes to Ashes” works well for novice...

Three evening of nightmare. The Necropolis What ancient horrors lie slumbering in a newly discovered tomb deep in Egypt's Valley of the Kings? Ar...

Filled with monsters, beasts, magical creatures, plants, and non-human species to fill your RuneQuest campaigns! The RuneQuest: Glorantha Bestiary ...

Investigate the Cthulhu Mythos during the Harlem Renaissance! Chris Spivey's ENnie-winning breakthrough book is back and better than ever! New Yor...

HORROR ON THE ORIENT EXPRESS contains a massive and legendary campaign, of up to nineteen adventures and more than 700 pages, for Call of Cthulhu 7...

Adventure, Mystery, & Horror in the 1890sThe 1880s—Victorian England. Mystery and adventure in fog-shrouded streets and alleyways. Secret cabal...

We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far." — H. P. Lovecraft ...