Chaosium

A WORLD OF MYSTERY, HORROR, AND ADVENTURE IN A BOX!This Starter Box contains everything you need to start playing Call of Cthulhu—the tabletop role...

Call of Cthulhu is a tabletop roleplaying game based upon the worlds of H. P. Lovecraft. It is a game of secrets, mysteries, and horror. Playing th...

“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. LovecraftWi...

The new edition of Masks of Nyarlathotep is a complete revision and updating of this epic multi-part campaign set in 1925, in which steadfast inves...

Unveil the secrets of the legend-haunted city! On the streets of Arkham, the threat of the Cthulhu Mythos is ever-present. A quiet town in New Engl...

The Call of Cthulhu Keeper Screen Pack is an essential play aid for those running games of Call of Cthulhu 7th edition. Our Keeper Screen is mounte...

Two-Fisted Action & Adventure Against The MythosCalling All Heroes! It’s Time To Take The Fight to Cthulhu!Pulp Cthulhu is a game of two-fisted...

Cthulhu by Gaslight takes the Call of Cthulhu roleplaying game to the fog-shrouded streets of Great Britain and beyond. The 1880s—Victorian England...

A Call of Cthulhu nightmare beyond signal range! Alex and Charlie believe that a secluded weekend getaway in the Black Hills of South Dakota is jus...

That is not dead which can eternal lie, And with strange aeons even death may die...Here, shall you know the terrors of the void, the nightmare bri...

Cthulhu by Gaslight takes the Call of Cthulhu roleplaying game to the fog-shrouded streets of Great Britain and beyond. What's Inside? Extensive ad...

The Two-Headed Serpent is an action-packed, globe-spanning, and high-octane campaign set in the 1930s for Pulp Cthulhu. The heroes face the siniste...

Return to Antarctica with the long-awaited reprint of this classic campaign for Call of Cthulhu! The long out-of-print Beyond The Mountains of M...

Three Evenings of Nightmare What's Inside? No Time to Scream contains three short-play scenarios for Call of Cthulhu. Each scenario is perfect for ...

Investigate the clues. Uncover the truth. Explore the story. You will tell this story! In Miskatonic Tales: Journey to Innsmouth you explore three ...

A Horror Mystery in Three Parts! Can the investigators prevent the liberation of the Ruler of Chaos? Will they discover the secrets of the Order of...

The most merciful thingin the world, I believeis humanity’s failureto fully conceivethe cosmical horrorswe’ve yet to reveal,and which up until nowI...

The Complete Call of Cthulhu Experience in a Special 50th Anniversary Collectable Slipcase Set! What's Inside The Keeper Rulebook, Investigator Han...

Scouting Adventures Against the Mythos Call of Cthulhu: Campfire Tales enables players to take on the role of scout-investigators as they come face...

They had starfished-shaped headsAnd triangular feet,And they’d slowly thawed outWhen exposed to the heat   A Reimagining of the Classic Story H.P. ...

Open the Tome—if you dare! In the Monster of the Week roleplaying game, hunters must solve all manner of mysteries before they can save the day. Th...

Encountering the King in Yellow in 1980s Japan Forgotten for centuries, the Sutra of Pale Leaves has resurfaced in 1980s Japan—a time of excess, co...

A Field Observer’s Handbook of Preternatural Entities and Beings from Beyond The Wall of Sleep! Weird shapes in the park? Odd rumbling noises in th...

The Classic Call of Cthulhu campaign spans the European continent in luxury! Horror on the Orient Express is back in print with a reformatted two-v...