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Mon Dieu Cthulhu! The d'Bois Escapades Volume 1
by Modiphius

Epic, swashbuckling Napoleonic adventure expertly blended with chilling Lovecraftian horror!

Mon Dieu Cthulhu! The d'Bois Escapades Volume 1
 
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The Medicine Show

The Medicine Show


The Medicine Show is designed to fit into the San Rafael setting from Down Darker Trails. Dr. Albert’s Astounding Medicine Show is coming to town tomorrow. When you woke up this morning, posters were plastered everywhere advertising his arrival and promising music, dancing girls, feats of strength, and a real wild-man, but the real attraction is Dr. Albert’s Astounding Restorative Elixir...   [click here for more]
Chaosium   FREE 

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The Miskatonic Collection – Volume 1 - Arkham Sanitarium Forms

The Miskatonic Collection – Volume 1 - Arkham Sanitarium Forms


The Arkham Sanitarium, a trusted place to regain your sanity. Check in and let our caring doctors and nurses ease you back into the real world. This is a collection of forms and a map for Arkham Sanitarium. They are great for player handouts - especially if they are the ones getting submitted! The package contains the following pieces: Floor Plan for Arkham Sanitarium (pdf) Incident Report...   [click here for more]
Chaosium  $1.95

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The Miskatonic Collection – Volume 2 – City of Arkham Forms

The Miskatonic Collection – Volume 2 – City of Arkham Forms


A collection of forms and play aids for the City of Arkham. They are great for player handouts that and wonderful flavor to an Arkham-based scenario. Created by Dean Engelhardt, the package contains the following pieces: Arkham Rail Tickets (3 kinds) City of Arkham – Mayoral Letterhead City of Arkham – Seal City of Arkham Police – Arrest Form City of Arkham Police –...   [click here for more]
Chaosium  $3.95

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The Miskatonic Collection – Volume 3 – Evidence Folder

The Miskatonic Collection – Volume 3 – Evidence Folder


A PDF of two full color images ready to print and be affixed to a manilla file folder to hold your Call of Cthulhu character sheets, props, and handouts. Note: This can be also found in Chaosium’s Call of Cthulhu 7th edition Evidence File & Telegrams PDF. ...   [click here for more]
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The Miskatonic Collection – Volume 4 – Medical Forms

The Miskatonic Collection – Volume 4 – Medical Forms


When investigating in Arkham, it isn’t surprising when clues lead you to examine medical records, be it a strange death certificate or record of why a grave is empty. This pack gives you amazing handouts your players will love! Imagine the impact when the player of a tired investigator is handed the “Scarlet Fever” card when visiting an Arkham-based doctor! Created by Dean Engelhardt,...   [click here for more]
Chaosium  $3.95

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The Miskatonic Collection – Volume 5 – Miskatonic University

The Miskatonic Collection – Volume 5 – Miskatonic University


Miskatonic University. The Orne Library. These locations are mainstays of many an Arkham-based scenario or horror story. This collection brings them to life. Your investigators can have their own student cards, and track down clues off writing found on the letterhead of the Law department. Created by Dean Engelhardt, the package contains the following pieces: Letterhead – Business and Law Letterhead...   [click here for more]
Chaosium  $3.95

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The Miskatonic Collection – Volume 6 – Telegrams

The Miskatonic Collection – Volume 6 – Telegrams


Many an amazing Call of Cthulhu adventure begins with one, or more, of the investigators receiving a telegram asking them for aid, or letting them know that a distant relative has died, ushering in the story (and horror) to follow. Created by Dean Engelhardt, this pack gives you three such telegrams that you can use for your campaign, or put into a supplement. The package contains the following...   [click here for more]
Chaosium  $1.95

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The Night Door

The Night Door


The Green Mountain forest in southern Vermont is having one of the worst seasons of summer wildfires that its seen in some years. Your close friend, Rhonda Stillman, has just lost her family cabin to a wildfire just outside of Dover, Vermont. She's asked you, her friends, to help her process through this difficult time in her life. But, what begins as a somber weekend of emotional support for a friend...   [click here for more]
Chaosium  $10.00

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The Night Door - Printer Friendly Edition

The Night Door - Printer Friendly Edition


The Green Mountain forest in southern Vermont is having one of the worst seasons of summer wildfires that its seen in some years. Your close friend, Rhonda Stillman, has just lost her family cabin to a wildfire just outside of Dover, Vermont. She's asked you, her friends, to help her process through this difficult time in her life. But, what begins as a somber weekend of emotional support for a friend...   [click here for more]
Chaosium  $3.00

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The Orphanage

The Orphanage


The Arkham State Orphanage is surrounded by a terrible mystery: poor children are disappearing for no apparent reason and without leaving any trace, the deputy director Jennifer Gutenberg after having tried in vain to warn her superior and the local authorities will seek help privately to try to shed light on the events. This was my very first scenario i writed...   [click here for more]
Chaosium  $2.00

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The Parsonsville Horror

The Parsonsville Horror


Parsonsville, Kentucky, 1928. The managing executive of Associated Anthracite, LLC, the company operating the mine at Parsonsville, has gone missing in the middle of tense negotiations with striking miners. Tensions grow as accusations of foul play are leveled, and Parsonsville is swiftly becoming a powder keg, just waiting for a spark. The missing man must be found before the town erupts into violence,...   [click here for more]
Chaosium  $4.99

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The Pastores

The Pastores


A Malefic Cult for Cthulhu Dark Ages The Pastores are a fertility cult rooted in an alliance of several noble families who worship Shub-Niggurath in her form of the Magna Mater, and a variety of other Mythos entities under the guise of her sacrificed Son. Their cultic practices involve the breeding, transformation, and periodic sacrifice of the human populace under their control,...   [click here for more]
Chaosium  $7.95

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The Phantom of Wilson Creek

The Phantom of Wilson Creek


Call of Cthulhu Scenarios from the Mountains of North Carolina Something haunts the area of Wilson Creek, North Carolina. There is an evil that seems to inhabit the old Campbell House that lies south of the tiny, struggling, logging village of Mortimer, whose bad times still lie before it. The foothills of the Appalachian Mountains is an area rich in culture and history, though short...   [click here for more]
Chaosium  $12.95

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The Pipeline: A Call of Cthulhu Scenario for the 1980s

The Pipeline: A Call of Cthulhu Scenario for the 1980s


In the Fall of 1986, contact was lost with Exxon Pumping Station #31 near Telegraph Creek, BC Canada. The media reported that a radical environmental group called the North Wind sabotaged the facility, leading to the deaths of several Exxon employees and a number of civilian contractors. The official statement made it clear that all members of the North Wind were...   [click here for more]
Chaosium  $9.95

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The Premiere of the King

The Premiere of the King


Hollywood during the height of the silent film era. A missing woman. A sinister plot to bring America to her knees. This original scenario for 7th Edition of Call of Cthulhu plunges Investigators into the gritty and glamorous world of 1920s Los Angeles. Evil forces are at work to use the new medium of film to herald the coming of other-worldy entities. Only the Investigators can save the country...   [click here for more]
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The Prepared Investigator

The Prepared Investigator


Ever struggle over the motivations for your character? Where you fit in alignment or whether those traits, passions, or character quirks fit the character you want to play? On these pages is a checklist for you to print and use at your gaming table to help you realise your most important aspects of your P.C. Simply use the charts contained within to flesh out the personality of your role-playing...   [click here for more]
Chaosium  $2.99

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The Primal State

The Primal State


A Campaign for Classic-Era Call of Cthulhu, Ideally set in Vermont, 1925-1930 To the Southern New-Englander entering Vermont for the first time there is sense of mystic revivification. On the towns of the lower coast the blight of mutation and modernity has descended. Weird metamorphoses and excrescences, architectural and topographical, mark a menacing tyranny of mechanism and vice-royalty...   [click here for more]
Chaosium  $22.00 $12.10

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The Raid of AREA 51 - Time RIP 1 (20% off!)

The Raid of AREA 51 - Time RIP 1 (20% off!)


20% OFF UNTIL... its abduction occurs Join us, if you dare, for a frightfully good time in unravelling the mystery of Area 51. For experienced Keepers, this work provides a non-linear structure, which takes place in the well known Air Force base. You will find a unique take on...   [click here for more]
Chaosium  $8.00

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The Scales of Time

The Scales of Time


There's a problem in Cumberton, Tennessee, a small Apalachian coal-mining town. Children are disappearing at an alarming rate. Local law enforcement is either stymied or disinterested. And then there are the strange sightings within the mines and in the surrounding hills. It's up to a group of investigators hired by the local mining company to unravel the mystery before an ancient horror is unleashed....   [click here for more]
Chaosium  $4.95

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The Sevenfold Path

The Sevenfold Path


A Sourcebook and Campaign for 1920s Iceland The Sevenfold Path is a sourcebook and campaign for classic-era Call of Cthulhu. Investigators will travel to 1920s Iceland, be introduced to the legend of Olaf Ulfsson, and investigate the ruins of the abandoned Third Cloister. The encounter rival lodges of the theosophy movemenet in Reykjavik, and get a chance to butt...   [click here for more]
Chaosium  $12.95

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The Strange Cases of Rudolph Pearson

The Strange Cases of Rudolph Pearson


Horripilating Tales of the Cthulhu Mythos Professor Rudolph Pearson moved to New York City after the Great War, hoping to put his past behind him. While teaching Medieval Literature at Columbia University, he helped the police unravel a centuries’ old mystery. At the same moment, he uncovered a threat so terrifying that he could not turn away. With the bloody scribbling of an Old English script...   [click here for more]
Chaosium  $7.95

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The Temple Drums

The Temple Drums


From the dense jungles of Mexico to a lonely estate in the deep woods of Maine,a curse has awoken. It no longer slumbers through eons of time hiding from the eyes of men. Tonight, it lays claim to this house and all those who dwell within. Can you survive the rhythm of the Temple Drums and bring back the artifacts that you have been hired to acquire or will your souls be stripped and tormented forever?...   [click here for more]
Chaosium  $6.99

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The Thing at the Threshold

The Thing at the Threshold


A dramatic chain of unsettling events over the past ten years leads to wholesale madness. A complete campaign in three chapters detailed background for important characters extensive, deluxe player handouts ...   [click here for more]
Chaosium  $6.95

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The Titan Incident

The Titan Incident


2189 AD. Investigators are sent to Benedict’s Rest, a former penal colony on Saturn’s largest moon, Titan. The facility is now a mine and refinery for methane, but productions has dropped 19% and the colony’s chief medical officer was found dead under suspicious circumstances. The board of directors dispatches a team to look into the incident, but what they find is horror 1,275,000,000...   [click here for more]
Chaosium  $5.99

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The Trail of Monolith

The Trail of Monolith


There's been a robbery at the American Museum of Natural History in New York City. A priceless artifact recovered by a team of archeologists from Miskatonic University is missing and reports from a witness bring inti question the nature of the thieves and their motivation. Unraveling the clues sets the investigators on the path of a world-wide conspiracy leading them from the world's great cities...   [click here for more]
Chaosium  $11.95

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The Two-Headed Serpent

The Two-Headed Serpent


2018 ENnie Awards Nominee - BEST ADVENTURE Product Description An Epic Action-Packed and Globe-Spanning Campaign for Pulp Cthulhu The world needs heroes, now more than ever. 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 sinister conspiracies of an ancient race of monsters...   [click here for more]
Chaosium  $22.50

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The Unbearable Likeness

The Unbearable Likeness


Matt is tired of his kid brother following him around everywhere. Especially as he died three days ago... Bring your players to the edge of terror with 'The Unbearable Likeness', our first Patreon-fuelled modern-day scenario. Can they discover the hidden forces behind Luke's sudden and very unexpected reappearance? Can they chase their quarry through the streets of Brooklyn? Where at...   [click here for more]
Chaosium  $6.99

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The Unravelling: A Starting Point for 1890's Adventures

The Unravelling: A Starting Point for 1890's Adventures


Egyptomania, Secret Societies, and Magic... It is the 1890’s, and the Order of the Midnight Circle is the premiere social club for ladies and gentlemen who wish to discuss the occult. A perfect fit for any Investigator, surely! But when a scheduled mummy unwrapping party occurs at such a locale, surrounded by those who truly believe in the unearthly and paranormal,...   [click here for more]
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The Vault

The Vault


A Scenario of Darkness and Terror This is a convention scenario with highly detailed characters and handouts intended for a theatrical style presentation in a single long session. This adventure is intended for 4-6 players, and can be completed in a single 5-7 hour session. It is not a scenario for the squeamish keeper or players, and some may view the drama herein as harsh. The game begins on September...   [click here for more]
Chaosium  $7.95

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The Wernicke Boxes

The Wernicke Boxes


When an old friend apparently commits suicide, the Investigators soon become embroiled in the mystery of a set of antique puzzle boxes, their strange provenance, and the dark curse that follows them. The Wernicke Boxes is a modern day scenario for Call of Cthulhu that takes the Investigators across Europe in a quest to find the sinister boxes and unravel their mystery. It is inspired by...   [click here for more]
Chaosium  $5.00

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This Old Haunted House

This Old Haunted House


What is a Haunted House? Is it a decaying mansion brimming with spires, turrets, and intricate grillwork? An abode of great age with its rotting façade and long-lost, eldritch secrets hidden inside, beneath decades of cobwebs and dust? Does it require spine-chilling drafts and creaking wood that causes stalwart investigators to calm their breathing in nervous anxiety? Or perhaps it is...   [click here for more]
Chaosium  $6.95

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This Old Haunted House, Too

This Old Haunted House, Too


Another collection of twenty-five (possibly) spook-filled American House plans from the 18th, 19th, and early 20th centuries for use in Call of Cthulhu and Basic Roleplaying, and other history-based roleplaying games. Includes Colonial Era Houses (1640-1770), New Republic Era Houses (1770-1850), Victorian Houses (1850-1900), Early 20th Century (1900-1930), and offers notes on how to...   [click here for more]
Chaosium  $6.95

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Through a Dream, Darkly: A Brief Experience in the Dreamlands

Through a Dream, Darkly: A Brief Experience in the Dreamlands


A Phosphorescent Phantasmagoria... In the Dreamlands, nothing is ever as it truly seems. This is doubly true when the dangerous, nightmarish Underworld is involved, a place no human dares go on purpose. But what if something brought the Investigators there by accident, or by some sudden twist of fate? Through A Dream, Darkly is a short interlude to mystify Investigators...   [click here for more]
Chaosium  $3.00

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Tomes of Terror

Tomes of Terror


The lessons of Cthulhu 101 are long Overdue because Manuscripts Don’t Burn and Rare Finds could mean The Calling is at hand. Four rare and dangerous occult tomes, The Necronomicon, Cultes Des Goules, The Book of Eibon and The Revelations of Glaaki Vol IV, have been stolen from the Jeremiah Orne Library on the...   [click here for more]
Chaosium  $4.99

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too close to home

too close to home


This modern scenario takes place in the dreamy American town of Roselawn – but it could easily be transferred to other places or times to fit the Keepers needs. Samuel Dawson owns Dawson's Funeral Home in Roselawn. After Sheriff Oakley finds the body of Henry Burrows in the old woods north of Roselawn and isn't able to track down any next of kin nor identify any cause of death, he...   [click here for more]
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Toying With Humans

Toying With Humans


Four Origins Tournament Adventures This book presents the Shoggoth.net Group's four Origins 2005 tournament adventures. Each scenario features one of man-kind's futile struggles against the Masks of Nyarlathotep and other powerful creatures of the Cthulhu Mythos. This monograph is intended for a mature audience. The first scenario, "Where Byakhees Dare" takes veteran British solders,...   [click here for more]
Chaosium  $19.95 $10.97

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Trail of Tsathogghua

Trail of Tsathogghua


Tsathogghua's curse awaits the unwelcomed investigators of the occult and unknown. What grim secret lurks on the sterile Greenland icecap? What living horror grows behind the "Bigfoot" legend? TRAIL OF TSATHOGGHUA contains a mini-campaign in two scenarios as well as a third, unconnected, scenario— "The Haunted House." This scenario pack is suitable for beginning keepers and investigators....   [click here for more]
Chaosium  $4.95

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Trouble in Threes - Spring

Trouble in Threes - Spring


Spring is in the air! Three scenarios for use with the 7th Edition of Call of Cthulu are in this release. Seasonal stories to help you ease into summer! The first is entitled Dinner and a Film. It is1985 and a widow invites three lifelong friends to help her prepare for an auction of the belongings in her summerhouse. However, before the work is to begin, she has planned a night of food,...   [click here for more]
Chaosium  $3.99

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Trouble in Threes - Summer

Trouble in Threes - Summer


It is summer! The second addition to the Trouble in Threes Quadrillogy is here! First up, The Faunus! A much requested scenario played on the Into the Darkness YouTube channel earlier in 2019. A futuristic scenario that takes place on an Earth to Mars fast picket freighter! What is the mysterious cargo in the pods that needs to be dropped from orbit to the Polar regions of Mars? Why is it so cold?...   [click here for more]
Chaosium  $3.98

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Twilight Memoirs

Twilight Memoirs


Three Clues to Adventure There is a certain vicarious thrill that can be experienced by reading the personal writings of others. Lovecraft certainly seemed to think so. His work is full of letters, diaries, research notebooks, and all manner of other documents. These were merely one of his many devices for the distillation of terror. This monograph is an attempt to capture the essence of Lovecraft's...   [click here for more]
Chaosium  $6.95

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Undying Leaders

Undying Leaders


An Exploration of Long-Lived Wizards from the work of Lovecraft The works of Howard Phillips Lovecraft contain several stories about old wizards who deal in forbidden knowledge and whom seek to either extend their lifespan, to regain their youth or obtain knowledge and skills to cheat death. Some also seek to increase their knowledge by bringing back others from the dead and forcing them to answer...   [click here for more]
Chaosium  $7.95

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Unremembered

Unremembered


In 1992, a son receives a letter lost six years in the mail from a father he did not know he had, and does not remember. The letter speaks of Carcosa and the King in Yellow. Four months later, the boy goes missing. In a few days, he may be forgotten entirely. Unremembered is a standalone module for Call of Cthulhu 7th Edition set in New Orleans, Louisiana,...   [click here for more]
Chaosium  $4.95

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Unseen Masters

Unseen Masters


Modern Struggles Against Hidden Powers "Who is among us? Who? I cannot utter a blessing while he is here. I cannot feel one. Where he treads, the earth is parched! Where he breathes, the air is fire! Where he feeds, the food is poison! Where he turns, his glance is lightning! Who is among us? Who?"   — Melmoth the Wanderer Three mini-campaigns set in modern...   [click here for more]
Chaosium  $11.95

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Utatti Asfet

Utatti Asfet


The Wicked Eye of Sight A 1990s Campaign for Call of Cthulhu The Graham Westlake Foundation sponsors the International Symposium on Unexplained Phenomena. This year, the fortieth annual symposium takes place in the Pacific island nation of Tonga. The investigators are among the attendees. There, they encounter evidence of phenomena they know only too well....   [click here for more]
Chaosium  $9.95

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Verdens Ende a (Korean)

Verdens Ende a (Korean)


This scenario is only korean 본 시나리오집은 총 142p로 이루어져있으며 아래의 시나리오를 포함합니다. - GIFT (1인) 눈을 뜬 당신은 깜깜한 시야와 통증 탓에 꼼짝도 못하고 있습니다. 주변은 조용합니다. 고요 속에서 어렴풋이 불길함이 느껴집니다. 평화로운 일상의 나날이 한 숨의...   [click here for more]
Chaosium  $12.00

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Visceral and Emotional Damage

Visceral and Emotional Damage


This supplement was inspired by a subject discussed in Episode 143 of the Good Friends of Jackson Elias podcast, www.BlasphemousTomes.com; thank you Scott, Matt, and Paul for such an interesting, insightful, and inspiring conversation. Keepers can use this supplement to add sanitytesting gore to combat scenes and psychological tolls to investigators who injure other human beings. The ideas in this...   [click here for more]
Chaosium  $2.00

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Voyage of Terror

Voyage of Terror


Voyage of Terror is a Miskatonic Repository Call of Cthulhu scenario set around 1925. It takes place on a transatlantic steam liner. It features: - an evil plan to shunt the entire liner into a hellish alien dimension - fishy Cthulhu cultists - 14 non-player characters to help or hinder - 27 pages of outer dimensional horror - transdimensional engines and Deep One variants...   [click here for more]
Chaosium  $6.00

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When the Light Goes Out

When the Light Goes Out


Standing forgotten on the Oregon coast, a beacon for lost sailors helps conceal a town’s secrets, and an insidious evil. The Widow’s Peak Lighthouse has been a landmark for travelers near the Witch’s Cauldron State Natural Area for nearly 150 years. Closed to the public, it’s been the source of many local legends. Recently it went up for sale, and the bidding between the locals...   [click here for more]
Chaosium  $2.99

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Whistleblower - Time RIP 2

Whistleblower - Time RIP 2


Welcome to the dark comedy scenario hook, Time RIP 2 - Whistleblower, a new creation from the abyss which takes a well known event and converts it to the Mythos of Howard Philips Lovecraft. This scenario hook takes the "Whistleblower complaint" and gives it a dark comedic twist. Clocking in at just 2 full pages of completely free content, this one is easily adaptable to be whatever you want it to...   [click here for more]
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Ye Booke of Monsters

Ye Booke of Monsters


All About Monstres This volume contains dozens of new races and individual creatures for use with the Call of Cthulhu roleplaying game. Included here are the following categories: Outer Gods, Elder Gods, Great Old Ones, Great Ones, Avatars, Servitor Races, Independent Races, Fabulous Creatures, and Unique Entities. These monstrous creations have been collected from fiction spanning...   [click here for more]
Chaosium  $5.95

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