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Delta Green: Control Group
by Arc Dream Publishing

Four mind-blasting scenarios introduce the terrors of Delta Green. BLACKSAT: Astronauts face a deadly rendezvous. NIGHT VISIONS: Soldiers in Afghanistan face worse than combat. SICK AGAIN: CDC doctors trace an outbreak beyond comprehension. WORMWOOD ARENA: Survivors of earlier scenarios, now Delta Green agents, confront a cosmic threat that lurks under midwestern fields. Scientia mors est.

Delta Green: Control Group
 
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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]
Chaosium  $7.95

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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]
Chaosium  $8.95

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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]
Chaosium  $8.95

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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]
Chaosium  $9.95

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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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Mystic Alliances

Mystic Alliances


MYSTIC ALLIANCES offers rules for using teenage investigators in a Call of Cthulhu setting in the near-future. During the years 2009 to 2011 the mythos again stirs, most notably, in Seattle. This has resulted in teenagers taking the front roles in the fight against and discovery of the supernatural - while older characters operate in the background as Mancers, characters who oversee...   [click here for more]
Chaosium  $12.84

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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]
Chaosium  $9.95

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Nameless Horrors

Nameless Horrors


SIX REASONS TO FEAR THE UNKNOWN The Cthulhu Mythos presents horrors far worse than mere death… You won’t find any ghouls or deep ones, or other named Mythos entities here. The horrors found within have no names, but they are still very much of the Mythos. Your players will not have encountered their like before, and no one will be on safe, comfortable ground. Nameless Horrors brings...   [click here for more]
Chaosium  $14.97

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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]
Chaosium  $6.95

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Night Times: The Frozen Pines

Night Times: The Frozen Pines


It's November of 1928. The investigators have been called by an archeologist and historian living in Bangor, Maine. He wishes to see them about the site of an ancient battle between the United States Government and the Penobscot Native American tribe. Here, he says, they will unearth great artifacts - artifacts which can perhaps be shared between their venerable academic institutions....   [click here for more]
Chaosium  $3.00

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No Man's Land

No Man's Land


WWI Mythos Action with the Lost Batallion THE DATE IS OCTOBER 2, 1918. In France, soldiers huddle in hastily-dug trenches, faith their only protection against the never-ending artillery barrage. It is the time of World War I — the Great War — when mankind proves itself capable of atrocities never before conceived. As above, so below. Beneath the cracked and shattered soil of the Argonne...   [click here for more]
Chaosium  $6.95

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Of Wrath and Blood

Of Wrath and Blood


Of Wrath and Blood is a classic 1920's Call of Cthulhu adventure. It was designed as a sequel to Chaosium’s classic introductory adventure, The Haunting, but it is also fully playable as a stand-alone adventure. This scenario was written as a submission into the October 2010 “And Theeeennn?” contest presented...   [click here for more]
Chaosium  $5.00

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On your neck

On your neck


This scenario is written for someone who plays Call of Cthulu 7th in Korean. So if you want to read it, you must know Korean. ...   [click here for more]
Chaosium  $2.00

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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]
Chaosium  $27.95 $15.37

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One for One - Bathory's Children

One for One - Bathory's Children


Need a quickie adventure/scenario? Here you go! First in a series of one-shot, two or so hour adventures for use with Call of Cthulhu 7th Edition rules. Bathory's Children is a Black Metal band on hiaitus in Germany after a terrible happening at one of their concerts that caused their tour to end abruptly. They have been travelling incognito while they get back slowly into the metel mindset....   [click here for more]
Chaosium  $1.00

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One for One - DreadCon

One for One - DreadCon


Yes, we should do this! Next August! Your online gaming group in a post game chat all agree that you should meet up in person for once (In person!), everyone that can make it to Boston at least, for the bi-annual DreadCon gaming convention run by the maker of your Lovecraftian RPG of choice, Disorder Gaming. But first, can we get Gold Level passes? No they are sold out. Wait, a mysterious person...   [click here for more]
Chaosium  $1.00

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One For One - Island 256

One For One - Island 256


You are part of a small squad of Japanese soldiers on a remote island in the pacific. You have been present garrisoning the island and base for over two years. The war rages on but you have had no contact with the fleet or Japan for over sixteen months. You continue to follow orders and guard against the American forces. There is plenty of food and fresh water and the climate, well you are used...   [click here for more]
Chaosium  $1.00

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One for One - Old Man Tompkins

One for One - Old Man Tompkins


Another low priced quick scenario idea for you! A group of high school teenagers from the outskits of town are at the annual town Fourth of July fireworks. Their parents are planning on attending a dance afterwards in the town square and the kids are all heading to a late night film at the cinema. Then they run in to a local school chum who tells them about a mysterious old man who steals from the...   [click here for more]
Chaosium  $1.00

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Operation Ulysses

Operation Ulysses


In this far-future adventure for Basic Roleplaying, the characters have been contacted by the mega-corporation ISIS corp. (Interstellar Industrial Supply), the largest litherium mining and manufacturing company in the Hadrion Galaxy, to investigate the recent disappearance of the Ulysses, one of their Titan-class starfreighters. The Ulysses was hauling a huge consignment of litherium...   [click here for more]
Chaosium  $13.95

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Orient Express tickets

Orient Express tickets


Here are five first-class 2-sided ticket props for the fabled Call of Cthulhu "Horror on the Orient Express" campaign! An excellent add-on to an epic journey. Each ticket has a different serial number and slightly different position of stamps, to add authenticity. These tickets use retro Orient Express logos, their general layout is inspired by 1920. era train tickets and contain some additional...   [click here for more]
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Out of the Past

Out of the Past


For two to six players, Out of the Past can be played in two or three sessions. Set in England in 1925 this scenario leads the investigators around some of London’s most iconic institutions and out into the countryside to a sleepy rural village. The investigators are members of The Society of the Beyond, an informal group of several dozen academics and enthusiasts all with an interest in unexplained...   [click here for more]
Chaosium  $2.99

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Outpost 19

Outpost 19


Outpost 19 is the designation of Vascon Corporation's archaeological research station on the frontier colony world of Jeterieff V, a site that has been quarantined because of the outbreak of an unidentified disease. Can the medical trouble-shooters scrambled via Gate from the Tripoint Facility Medical Center contain the outbreak? Or will they discover that something more sinister is behind the crisis?...   [click here for more]
Chaosium  $6.95

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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]
Chaosium  $10.95

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Pastor Ciem i inne Zgrozy [BUNDLE]

Pastor Ciem i inne Zgrozy [BUNDLE]


Pastor Erpegów, Wielki Przedwieczny uwalniający się z Erpegowego Piekiełka, gdy gwiazdy są prawomyślne, z okazji Halloween przemienił się w Pastora Ciem. W tej nowej postaci pobłogosławił swoich wiernych materiałami do Zewu Cthulhu - zapewne dlatego, że nowa edycja tej gry jest bardziej od poprzednich podobna do Warhammera za sprawą procentowego zapisu cech. Dzięki skromnemu...   [click here for more]
Chaosium  $8.25

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Petersen's Abominations

Petersen's Abominations


A collection of five nightmarish modern-day scenarios for the Call of Cthulhu Roleplaying Game. Gathered from across the aeons, this anthology of horror brings together for the first time a series of scenarios from the mind of Sandy Petersen, the creator of the Call of Cthulhu Roleplaying Game. Each one-shot scenario is designed for one or more sessions of play. Within,...   [click here for more]
Chaosium  $19.95

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Pickman's Legacy

Pickman's Legacy


Joseph Pickman is a father desperate for answers. After police finally declare his missing daughter’s case cold, Joseph seeks anyone who can help him get answers. Pickman’s Legacy is an adventure for the Call of Cthulhu roleplaying game, set in the modern era. It is suitable as an introductory adventure or a fun one-shot for an evening. ...   [click here for more]
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Plague

Plague


A Modern-Day Scenario by Noah Lloyd & Matt Ryan A lethal plague hits Arkham, MA, and the authorities have located the source: Brighton House, an old Victorian mansion on French Hill renovated into tenement apartment housing. The disease does not respond to any known treatments and kills its victims in a few short hours. The Centers for Disease Control respond by sending some of their top agents...   [click here for more]
Chaosium  $3.95

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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]
Chaosium  $7.95

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Podgrodzie 1952 - Sandbox

Podgrodzie 1952 - Sandbox


Podgrodzie - Rzeczpospolita dziecięca. Jest to moduł Sanboxowy wioski dziecięcej (miasteczko wakacyjne) działającego w latach 1952-1962 A w zmienionych formach do dnia dzisiejszego. Co znajduje się w środku? - lista budynków - przykładowe dzieci oraz opiekunowie - role pełnione przez dzieci w miasteczku - opis turnusu - 27 zarysów przygód " Akcja...   [click here for more]
Chaosium  $1.00

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Protégés & Last Wills and Testaments

Protégés & Last Wills and Testaments


The rules presented in this brief supplement were developed in the course of playing through a rather deadly and sanity crushing campaign. The campaign often consisted of using independent “one-shot” scenarios held together against a backdrop of Investigator Organizations and a shared world within which all the events of the individual scenarios took place. One challenge of that way of...   [click here for more]
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Pulp Cthulhu (7th edition Call of Cthulhu)

Pulp Cthulhu (7th edition Call of Cthulhu)


Calling All Heroes! It’s Time To Take The Fight to Cthulhu! Pulp Cthulhu is a game of two-fisted adventure, weird science, dark deeds, and brave heroes. With this book, some roleplaying dice, and the 7th edition Call of Cthulhu Keeper Rulebook, you have everything you need to adventure and explore games set in the pulp genre. Tired of your investigators dying in quick succession when...   [click here for more]
Chaosium  $22.50

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Pulp Cthulhu Damage Insert

Pulp Cthulhu Damage Insert


A Keeper's Screen insert to replace the core damage rules with the Pulp Cthulhu damage rules. ...   [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]
Chaosium  $7.95

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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]
Chaosium  $6.95

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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]
Chaosium  $13.95

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Ravenar Sagas

Ravenar Sagas


Three Viking Adventures for Cthulhu Dark Ages The Ravenar Sagas are a collection of three Cthulhu Dark Ages scenarios spanning a thirteen-year period between 989 AD and 1002 AD. The Sagas take place across Scandinavia and what will later be known as Nova Scotia. Players will be taking the roles of the crew of a small knorr (a Viking longship). While pre-generated characters are provided...   [click here for more]
Chaosium  $7.95

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Ravenstone Sanitarium

Ravenstone Sanitarium


Two Adventures Concerning One Disturbing Institution When you think of a traditional game of Call of Cthulhu one element probably comes to mind—Sanity Checks. Beginning the scenario with a sound mind, characters progressively find themselves face to face with unspeakable terror that cause them to test their sanity. If their mind fails them, their characters become mentally unstable. Ravenstone...   [click here for more]
Chaosium  $15.19

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Red Nectar 선홍의 넥타르 (Korean)

Red Nectar 선홍의 넥타르 (Korean)


2019년 10월 선홍의 넥타르에 수록된 첫 번째 시나리오입니다. 1789년의 프랑스 파리를 배경으로 한 시나리오로 탐사자들이 기이한 몽유병을 겪으면서 시작됩니다. 미리보기는 시나리오 배경(진상) 항목까지 제공됩니다. 책 가격은 25,000원이었습니다만 먼저 구매한 분들이 불이익을 받지 않기 위해 가격이...   [click here for more]
Chaosium  $13.00

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Reign of Terror

Reign of Terror


2018 ENnie Awards Nominee - BEST SUPPLEMENT Mythos Horrors during the French Revolution! Reign of Terror is an epic two-part historical scenario, set during the French Revolution, playable as a stand-alone adventure or as an historical interlude for use with Chaosium’s premium campaign Horror on the Orient Express. “The blade is poised, a shining length...   [click here for more]
Chaosium  $17.95

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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]
Chaosium  $21.00 $11.95

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Return to the Island of Dr. Moreau

Return to the Island of Dr. Moreau


Return to the disturbing and inhuman island of Dr. Moreau. H.G. Wells' classic tale gets a Cthulhu-style sequel in this immersive follow-up to one of the originators of the sci-fi genre. ...   [click here for more]
Chaosium  $2.00

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Return to the Monolith

Return to the Monolith


This adventure is a modern follow up to “People of the Monolith” which appeared as a bonus scenario in Shadows of Yog-Sothoth. In this adventure, the investigators are part of a team creating a documentary on ancient occult sites, bankrolled by Steiger, Incorporated. As part of this project, they will be traveling to Hungary to visit a monolith with a dark and troubling past. They...   [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]
Chaosium  $10.95

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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]
Chaosium  $10.95

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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]
Chaosium  $6.95

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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]
Chaosium  $6.95

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Rubble & Ruin

Rubble & Ruin


A World Gone Mad With Killing It is twenty years after the end of the global wars. Our world lies in ruin. Once-great cities are now nothing more than shattered hulks populated with bioengineered soldiers, giant rats, and rogue robots. This is the world of Rubble & Ruin, a setting inspired by the classic post-apocalyptic fiction of the 1970's and 80's, where players take the role of prospectors...   [click here for more]
Chaosium  $11.95

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S. Petersen's Field Guide to Lovecraftian Horrors

S. Petersen's Field Guide to Lovecraftian Horrors


S.PETERSEN’S FIELD GUIDE TO LOVECRAFTIAN HORRORS A Field Observer’s Handbook of Preternatural Entities and Beings from Beyond The Wall of Sleep "With its clear visuals and hard-won information, this guide has saved my bacon on more thanvone occasion!" —Ernest P. Wilderbeast, Visiting Professor of Preternatural Studies Miskatonic University Weird shapes...   [click here for more]
Chaosium  $17.95

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Sanity Tracker

Sanity Tracker


Call of Cthulhu is a game of cosmic horror where intrepid investigators pit themselves against entities and powers that literally shred the fragile sanity of the mere humans who face them. Tracking an investigator’s sanity is straightforward enough using the standard investigator character sheets. However, this does not track the cumulative number of Sanity points lost to any specific...   [click here for more]
Chaosium  $0.50

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Secrets

Secrets


We all hold a few dark, deep secrets close to their hearts. Some of our secrets are small and would seem unimportant if they were exposed to the light of day. Others are big and could change the world. This book is about secrets that have been allowed to fester and darken in the shadows. What was hidden in Robert Monroe-Tylor's coffin? What horror left Jason Andrews to die a sickening death? Why does...   [click here for more]
Chaosium  $4.95

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