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Call of Cthulhu Monographs
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Call of Cthulhu 6th edition

Call of Cthulhu 6th edition


Horror Roleplaying in the Worlds of H. P. Lovecraft The Great Old Ones ruled the earth aeons before the rise of humankind. Originally they came from the gulfs of space and were cast down by even greater beings. Remains of their cyclopean cities and forbidden knowledge can still be found on remote islands in the Pacific, buried amid the shifting sands of vast deserts, and in the frigid recesses...   [click here for more]
Chaosium  $19.22

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Big Book of Cults

Big Book of Cults


Evil Cults for Call of Cthulhu This book contains a collection of modern-day organisations for use in your Call of Cthulhu games. The Church of a Thousand Tomorrows can nuke you from orbit, while the Sufferers' Guild could be brought down with a few well-placed phone calls. More importantly, all the personalities described have reasons for the things they do. Some of the characters want...   [click here for more]
Chaosium  $9.95

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Bride of Halloween Horror

Bride of Halloween Horror


Autumn — the time of the Festival of the Dead, when the veil between the worlds is thinnest and prayers to ancestors easiest made. Pumpkin cakes are left in the Ancestors' Niche in every house, and children tie black and orange ribbons to the doors and put candles in the windows of their houses so their dead ancestors can easily find their way home. It is a quiet time, after the harvest...   [click here for more]
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Casting Call of Cthulhu

Casting Call of Cthulhu


Modern-Day Non-Player Characters This is a collection of 120 Modern-Era NPCs for overworked keepers to use in their games and campaigns. These NPCs are ones typically found in society and can provide useful information, assistance, or adventuring opportunities for Investigators. All are complete with Statistics, skills, a physical description, and a brief, but highly individualized...   [click here for more]
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Children of the Storm

Children of the Storm


Call of Cthulhu in the Great Depression Experts predict that the want and suffering of the Great Depression will create "a generation of cannibals." Panicked people flee their homes to escape a devastating invasion and poison gas attack. Life comes to a standstill as people watch a strange dust descend from the sky. The spread of the Great Depression and the first rumblings of...   [click here for more]
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Christmas in Kingsport

Christmas in Kingsport


Five Tales for a Not-So-Silent Night Some time ago we asked you to submit adventures concerning the holiday season. This monograph contains five tales certain to scare the stockings off the mantle. Silent Night Set in Arkham in December of 2001, this tale involves four investigators gathered to celebrate the season, the mythos far away for the moment. The Gaudy The investigators are invited...   [click here for more]
Chaosium  $13.00 $7.15

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Colonial Terrors

Colonial Terrors


"The times were lawless and the men who had flouted the King's Revenue forces for years were not the ones to balk at sterner things when duty impelled." —H.P. Lovecraft "The Case of Charles Dexter Ward" Colonial Terrors is a Call of Cthulhu campaign taking place in New England just prior to the American Revolution. The investigators...   [click here for more]
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Cthulhu Masters Tournament

Cthulhu Masters Tournament


Three Adventures From Gentler Times The CTHULHU MASTERS TOURNAMENT contains three scenarios presented during that year's GenCon. LORD AND BEAST: set in early WWII (June 1942) in the South Pacific, and interpreting the setting of William Golding's Lord of the Flies, beginning when the adult rescuers arrive to save British boys stranded by a plane crash on a desert isle. ELECTRIC...   [click here for more]
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Cthulhu Rising

Cthulhu Rising


Call of Cthulhu Roleplaying in the 23rd Century It is the year 2271. The future is a dark and dangerous place. Outer space is the new frontier - humanity exploits the galaxy for its own ends. It is more than a hundred and fifty years since the United Earth Federation began to colonise the solar system and beyond. Millions of colonists — employees of either the Federation or...   [click here for more]
Chaosium  $17.00 $9.35

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Dark Crusades

Dark Crusades


Visit the Holy Lands in Cthulhu Dark Ages In the land of Milk and Honey, horror awaits. During the time of the Crusades, religion is a powerful moving force in the lives of both Saracens and Franks. Numerous visions and miracles were reported on both sides during and in between major battles. According to some accounts, the dead were seen fighting the living, and angels were witnessed....   [click here for more]
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Dark Mirror

Dark Mirror


Gazing into the Dark Mirror This is the very worst wickedness, that we refuse to acknowledge the passionate evil that is in us. This makes us secret and rotten." -D. H. Lawrence CALL OF CTHULHU pits a dedicated group of investigators (controlled by the players) against a whole host of ills and evils. Sometimes the investigators are simply clearing up a localised problem where something has...   [click here for more]
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Dead Leaves Fall

Dead Leaves Fall


Nine Tales of Halloween Horror For children, Halloween brings to mind candy and costumes, wearing a mask and saying the magic words “trick or treat. For some adults Halloween is a time of physical and spiritual transition. The earth is shedding its skin like dead leaves falling, and men reflect in fear on the past gone by. It is a time when the connection between our meaningless existence and...   [click here for more]
Chaosium  $11.95

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End Time

End Time


A Near-Future Setting for Call of Cthulhu This monograph explores humankind's future. We have left the Earth, traveling to other planets and the moons of our own solar system. Included here are notes on the Moon and mars colonies, advances in medicine and in the treatment of insanity, discussions of the hazards of space and in the living on other planets, and explorations of discoveries on...   [click here for more]
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Extrico Tabula

Extrico Tabula


The Second Cthulhu Invictus Companion As a rule, men worry more about what they can't see than about what they can.   —Julius Caesar Fear of the unknown is mankind's earliest fear, his most basic. What is out there in the dark? What hidden dangers lie within the forest, over those mountains, across that ocean? As the empire expanded, it encountered...   [click here for more]
Chaosium  $14.95 $8.22

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Farewell, My Sanity

Farewell, My Sanity


Adventures of the Guzman-Willent Detective Agency Enter the noir world with two adventures set in and around Los Angeles during the early 1920's. "Under the Boardwalk" concerns a teenage girl lost among the roller coasters and rum-runners in the amusement park city of Venice. The second scenario, "An Enchanted Evening," explores a mysterious concert on the paradisiacal isle of...   [click here for more]
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First Book of Things

First Book of Things


Items, Spells, and Creatures for Call of Cthulhu This work provides a variety of creatures, technological items and spells for the Call of Cthulhu role playing game. The work follows the conventions presented in the rulebook in regards to creature statistics. While most of the creatures presented are associated with the Mythos, many are not. The new Mythos creatures provide the Keeper...   [click here for more]
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Five Go Mad in Egypt

Five Go Mad in Egypt


A survivor of the Great War, the Professor suffered a horrible shock a month ago — his father was killed, and he was injured and is slow to heal. He gathers a team to investigate the legendary Sphinx Tomb, seeking those with expertise in security or weapons, or interest in the occult or ancient religions. MISKATONIC UNIVERSITY LIBRARY ASSOCIATION monographs are longer works by one or...   [click here for more]
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Gatsby and the Great Race

Gatsby and the Great Race


A Garden Party & The Running of the Great Race You know Julian Gatsby. He recently inherited the family home following the sad demise of his father. Julian is a free-spirited young man, in his mid-20s, and a new fan of the horse races. You arrive for a fabulous garden party and are shown to your room. Other guests arrive shortly after. In a few hours you will gather in the garden for an enjoyable...   [click here for more]
Chaosium  $10.95

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Halloween Horror

Halloween Horror


Three Halloween Adventures Chaosium periodically hosts contests on our web site. The adventures presented here were chosen from among the best submissions from our 2005 Halloween Adventure contest. Eyes That Should Not See BY JIM LYNCH. The Trepanation Proponents of America (TPA) is a small organization, run by its founder — John Croft. Croft is an intelligent, calm man who...   [click here for more]
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Halloween Horror 2

Halloween Horror 2


Eight Horrors for One Special Night This monograph is the result of Chaosium's annual Halloween Adventure Contest. What follows are eight tales of Halloween Horror spanning time and space, from medieval Europe to modern day Arkham. We hope you enjoy these Samhain offerings. Of Angels and Bones A 1920s ADVENTURE BY BRANDON HANLAN. "Of Angels And Bones" revolves around the happenings...   [click here for more]
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Halloween Horror Returns!

Halloween Horror Returns!


Tales of Halloween Horror Our Third Halloween Adventure monograph is here just in time for your Halloween Call of Cthulhu or Basic Roleplaying games. Here are six terrifying Halloween-themed adventures - winners and honorable mentions of the 3rd Annual Chaosium.com Halloween Adventure Contest (2007). HOPE BY BOB BRINKMAN. Set in 1924 Arkham, MA this adventure is meant as a one shot departure...   [click here for more]
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Horror Stories From The Red Room

Horror Stories From The Red Room


Scary Scenarios for All-Hallow's Eve There is a place in San Francisco where a cabal of storytellers meets to spin tales of horror and suspense. On the second Friday of every month, as the last embers of sunlight fade over the horizon of the Pacific Ocean, the meetings are held in a private chamber of the Beaumont estate on Nob Hill, called the Red Room. The sense of ominous antiquity...   [click here for more]
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Jovian Nightmares

Jovian Nightmares


A SOURCEBOOK FOR CTHULHU RISINGCALL OF CTHULHU ROLEPLAYING IN THE 23RD CENTURY By the late 23rd century, the gas giant Jupiter and its sprawling system of rings and moons is home to a colonial population of millions. Over the century and a half since the colonisation of the outer planets began in earnest, an aggregation of settlements and outposts have developed to mine the...   [click here for more]
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Legacies of the Renaissance

Legacies of the Renaissance


The Stone of Concordance In this scenario, set in Europe in 1928, the investigators travel between England and Crete, receiving a newspaper article along with a small note from their honoured friend William Tanislow. William, an English curator, has been recently commissioned to work alongside the famous biologist Dr. Harold Bantry. The photograph accompanying the article is dated late April 1928...   [click here for more]
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Malum Umbra

Malum Umbra


The First Cthulhu Invictus Companion In suus domus procul R'lyeh mortuus Cthulhu exspecto somnium —Graffiti found scrawled throughout Pompeii following an earthquake, August 20th, 79 AD The translation of the above graffiti should be well known to most fans of the Cthulhu Mythos. It is "In his house at R'lyeh, dead Cthulhu waits dreaming". For a time the Roman...   [click here for more]
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Menace From the Moon

Menace From the Moon


In Which the Investigators Face an Ancient Extraterrestrial Threat as a New Comet Appears in the Sky Currently on display in the museum is a set of rocks found at the bottom of the Atlantic Ocean. These geologically unique stones are believed to be of lunar origin, ejected from the moon by the impact of a meteorite. The rocks have been on display in the Smithsonian in Washington, D.C. until recently,...   [click here for more]
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Mysteries of Hungary

Mysteries of Hungary


History, Legends, and Background for Adventuring in 1920s Hungary This monograph is has been roughly translated into English from Hungarian.   An understanding of the thousand-year history of Hungary is vital for a good background. During the centuries, four nations have tried to rule the area now known as Hungary. German-Roman emperors brought the Hungarian crown into their...   [click here for more]
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Mysteries of Ireland

Mysteries of Ireland


"Come Fairies, take me out of this dull world, for I would ride with you upon the wind and dance upon the mountains like a flame!" —William Butler Yeats From the hills the fairies whisper to lone strangers, “come join the dance”. Watching from beneath the waves are the Merrow, the dwellers of the deep.Strange noises and half-heard screams ring at night...   [click here for more]
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Mysteries of Sudan

Mysteries of Sudan


Explore the Treasures and Madness of Africa's Largest Country Sudan is the largest country in Africa and also one of the most inhospitable. A year when the rains are light, famine reigns. The average lifespan in Sudan during the Gaslight period was 33, which is similar to modern times. Widespread famine led to desperation, theft, murder cruelty and, in some cases, madness. It was a time when the...   [click here for more]
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Mysteries of the Raj

Mysteries of the Raj


Call of Cthulhu Adventure in 1890s India The holdings of the British Empire included present day Pakistan, Bangladesh, Sri Lanka, Burma, and parts of Iran and Afghanistan. It was an area comparable in size to the continental United States, or Europe west of the Ukraine. The historical background and religious traditions of the Indian subcontinent rival those of other regions such as the Middle...   [click here for more]
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Mysteries of Tibet

Mysteries of Tibet


A Study of the Religion, People, and Mythology of Tibet Though not directly mentioned by H.P. Lovecraft in any of his stories, there are several references throughout his works to the Himalayas. Like most young men with a sense of adventure during the late 1800's and early 1900's, Lovecraft would have been aware of any news stories coming out of Tibet. It was a mysterious country-until 1984 visited...   [click here for more]
Chaosium  $16.00 $8.80

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Mythos Magic

Mythos Magic


An Optional Magic System for Call of Cthulhu and Basic Roleplaying For decades magic has been a backbone and prominent feature of Call of Cthulhu. Whether it is a race to stop the summoning of some god or alien, the need to communicate with things on other worlds by means of arcane scripture, or solving murders done with hexes rather than guns, magic has been inevitably wedded...   [click here for more]
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Night of the Kachina

Night of the Kachina


Three Wild West Call of Cthulhu Adventures Set in the New Mexico Territories THE YEAR IS 1851 NIGHT OF THE BOOT HILL BANDITS: This Call of Cthulhu adventure is suitable for a single gaming session with beginning players. It's set in a tiny own, Elota New Mexico, in the year 1851. It attempts to strike an even balance between combat and investigation. his adventure was...   [click here for more]
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Once Men

Once Men


Science-Fiction Rules and Adventures for Call of Cthulhu This work provides science fiction rules for Call of Cthulhu as well as four adventures set in the future. Naturally enough, writing a science fiction supplement for a universe based on H.P. Lovecraft's Cthulhu Mythos proved a challenging endeavor. Lovecraft includes references to the future in some of his stories. Four of these...   [click here for more]
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Parapsychologist's Handbook

Parapsychologist's Handbook


A Monograph for the 1890's, 1920's, & Contemporary Adventures This monograph reveals the real-world science of the paranormal, Parapsychology (its history and methods), how to play a parapsychologist, how to run a Call of Cthulhu campaign centered around a ghost-hunting group, and how to simulate various non-Mythos entities and psychic powers in your campaign. MISKATONIC UNIVERSITY...   [click here for more]
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Plan 09 From Halloween

Plan 09 From Halloween


The festival came to town.   In previous years it was a joyful and cheery event. These attractions, however, are outmoded and the infrastructure is old and neglected. A foul smell hangs in the air. The show consists of malformed people who disgust and frighten. Little joy is offered by the twisted clowns, and the barker's outdated speaking-style and French-tinged accent strengthens...   [click here for more]
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Queensguard

Queensguard


A Steampunk Call of Cthulhu Campaign Welcome to Queensguard! Queensguard is a short campaign for the Call of Cthulhu roleplaying game. It is set in an alternate version of America in which steam technology and magic are woven into the fabric of society. Queensguard is divided into two acts, each of which should consume approximately two four-hour...   [click here for more]
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Raising Up

Raising Up


A Mini-Campaign for Call of Cthulhu The fight against the forces of the Mythos is fraught with peril and it is all too easy for even the strongest will to be tempted by the dark secrets whispered in the cold and empty places of the world. This monograph presents a series of adventures intended to provide a coherent, yet flexible, mini-campaign. These adventures center on Reginald Preston,...   [click here for more]
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Ramblings of a Twisted Muse

Ramblings of a Twisted Muse


Time Runs Short! Unspeakable terror lies just on the edge of our collective consciousness. Creatures that were old when man first walked the earth dwell in a universe that holds terrible secrets. We are far below the top of the food chain! To elder beings such as these, our existence is but a mere annoyance. Some are merely content to bide their time until we eventually exterminate ourselves. Others...   [click here for more]
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Return of the Ripper

Return of the Ripper


An 1890s Scenario for Call of Cthulhu and Cthulhu By Gaslight RETURN OF THE RIPPER takes place in London, beginning in late summer to early autumn of 1893. It involves a new series of killings perpetrated by Jack the Ripper. The Ripper has returned to London to continue his bloody work after a five-year absence. Working in league with the Ripper are other occult horrors...   [click here for more]
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Ripples From Carcosa

Ripples From Carcosa


Confronting Hastur Across Time and Space Artists, poets, dreamers and madmen feel the hand of the Great Old Ones most keenly. The line between creative genius and abject madness is thin. We all have admired at least one favorite writer or musician who spiraled into insanity before taking his or her own life. Hastur dwells in that gray area between madness and genius. The King In Yellow, a play about...   [click here for more]
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Ripples From Carcosa

Ripples From Carcosa


O do not seek to learn or even ask, What horror hides behind...The Pallid Mask! --Lin Carter, Litany to Hastur   OF ALL THE VARIED and mysterious Great Old Ones of the Cthulhu Mythos, few ensnare the imagination as easily as Hastur. The image of the silent, deserted city beside a dark, foreboding lake where sinister things lurk is one that stays with the reader. Many of us...   [click here for more]
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Rise of the Dead

Rise of the Dead


This is a convention scenario with highly detailed characters and handouts intended for a theatrical style presentation in a single long session. The Arrival Six days ago the hammer fell. The red comet did not strike the planet, but it was a near miss. Fragments smashed into the earth bringing tidal waves, storms, and fallout. This was a rage of elemental destruction that devastated...   [click here for more]
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Rise of the Dead II: The Raid

Rise of the Dead II: The Raid


This is a convention scenario with highly detailed characters and handouts intended for a theatrical style presentation in a single long session.   It is approximately 6:00 a.m. on March 26th, during the most horrific year of your life. A red comet nearly struck the earth, entering orbit, and breaking the known laws of physics in the process. Thousands of fragments of various...   [click here for more]
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Secrets of the Congo

Secrets of the Congo


Flying into the Heart of Darkness The early 1920s saw the first, small commercial airlines. The aircraft, often flying boats, are sturdy and easily patched up but have few instruments for navigation. Flying is an art, not a science. This is especially so in the still-wild regions of the Dark Continent, Africa. Darkest of all is the wilderness of Belgian Congo, in the very center of the continent....   [click here for more]
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Shadows of War

Shadows of War


Battle the Mythos Against the Horror of War Here are four longer scenarios set in and around the Second World War. Each scenario offers a distinct setting and location though, roughly speaking, each gives players at least a glimpse of the Mediterranean Sea. There is no plausible way (we can see) of linking the scenarios into a campaign, but this is the idea: the situation of war is ideal for one-shot...   [click here for more]
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Shenandoah

Shenandoah


A Call of Cthulhu Scenario in the Ozark Mountains Time stands still in the Ozark Mountains in 1927. Located in southern Missouri, the people who live here feel little need to rush. In-tune with nature, and appreciative of her frightening beauty more than many city dwellers, isolation and dark rites are common. Few towns have discovered civilization. MISKATONIC UNIVERSITY LIBRARY ASSOCIATION...   [click here for more]
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Spirits & Dreams of the Viking Age

Spirits & Dreams of the Viking Age


Viking Magic & Horror for Cthulhu Dark Ages This Cthulhu Dark Ages supplement focuses on magic and horror in the Viking Age. It describes the Norse world and its magic. It examines shamanistic traditions in Northern Europe and hypothesizes an Otherworld, its inhabitants, and its connections to the Cthulhu Mythos. It offers a set of spells for Investigators and their adversaries....   [click here for more]
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Strange Songs

Strange Songs


Strange Songs can be heard across time and space... A new monograph from the acclaimed* non-euclidian fuzion band Cabal 13. Strange Songs includes 5 modern day Call of Cthulhu adventures with a musical theme: Daddy's Little Girl Drum Circle Make Ye A Path Opening Act Two Turntables & A Microphone There's something here for just about...   [click here for more]
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Strange Tales of Dread & Wonder #1

Strange Tales of Dread & Wonder #1


A Sextet of Diverse Mythos Adventures This monograph is the result of our first Chaosium.com Call of Cthulhu Adventure Contest. We received entries from all over the world, and it was rather difficult to narrow the winners down to a number small enough to fit into one monograph (and this is still the largest we've released). This first contest was fun enough that we'll likely do more of them....   [click here for more]
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