CoC 40 Adventures For Call of Cthulhu.pdf

40 Adventures For Call Of Cthulhu

Micheal C. LaBossiere

Contents

My Aunts House

Finger Biter

Old Blood

The Bog

The Bone Dealers

The Bookstore

Dark Island

Demon Of Catheway

Out Of The Depths

The Drooler In The Dark

The Exhibit

Fungus

Goddess

The House On The Island

I Want You To Kill The Ice Cream Man

Temple In The Ice

Thin Jack

The Journey

Lozdra

Return To The Monolith

Down To New England Town

The Thing In The Park

Pines And Sunshine

A Most Awful Plant

Player In Hell

Woodson Pond

Rest Stops

The Scarecrow

Sea Food

Sink Hole

The Black Stone

Swamp Bones

The Hum

The Knife

Spirit of A Thief

Tomb Of Ash

War Buddy

The Well

Wills Island

The Wrong

By Michael C. LaBossiere

Ontologist@aol.com

Call of Cthulhu

Legal Information

distributed for personal use provided that it is not modified and no fee above the

normal cost of distribution is charged for it. Visit my web site at

http://www.opifex.cnchost.com.

Call of Cthulhu is Chaosium Inc's registered trademark for their game of horror

and wonder in the worlds of HP Lovecraft. For more information, contact

Chaosium Inc., 950-A 56th St, Oakland, CA 94608 -- or call us at 510-547-7681. Visit

Chaosium's web page at http://www.chaosium.com/.

Table of Contents

Legal Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Keeper’s Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Getting the Investigators Involved . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

The House . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Area Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

House Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Investigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

The Action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

NPCs & Monsters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Handouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Keeper’s Introduction

“My Aunt’s House” is a cruel trick to play on

the investigators, and hence it should be run

with due caution. This adventure is intended to

be run soon after the investigators have had a

particularly rough experience. Prior to running

this adventure, the Keeper should hint that the

investigators have been suffering too much and

that they could certainly use a break to give

them a chance to recover from their past ordeals.

It is important that the Keeper convince the

players that this adventure will be a “milk run”

or a respite from past horrors. Naturally, this adventure will plunge them into new

terrors and convince that the Mythos is even more horribly pervasive than they

ever suspected.

The basic plot of the adventure is that certain Mythos beings have become aware

of the investigators’ activities and intend to put an end to them (by putting an end

to the investigators). In order to reach this goal, a Mythos being has been sent to

replace one of the investigator’s relatives and lure the investigators into trap.

During the course of the adventure, this being will do its best to neutralize the

investigators (by killing them or driving them mad). The goal of the investigators is

to survive and defeat the being (or at least escape alive and sane).

The Keeper is free to adjust the number of creatures opposing the investigators

in order to balance the adventure.

Getting the Investigators Involved

Prior to running the adventure, Aunt Sandra (a distant relative of an

investigator who is not actually his aunt) should be established as a minor NPC. The

investigator was a favorite of the “aunt” when he was a boy and she has stayed in

touch with him over the years. From various bits of information she accumulated,

Aunt Sandra concluded that the investigator was interested in the supernatural.

Since she thought all that “sort of stuff” was nonsense, she would often try to

persuade the investigator to give up “that ridiculous stuff about ghosts, psychic

powers, and other nonsense.” Unfortunately for Aunt Sandra, the supernatural is

quite real.

Shortly before the adventure commences, certain Mythos beings will become

aware of the relation between the investigator and Aunt Sandra. A particularly

gruesome being, an Eater, will be sent to replace the aunt and set up a trap for the

investigators. After luring the aunt into a trap (by informing her that she has won a

house- she will inform the investigator of her great luck in a letter), the Eater will

imprison her and prepare its trap. When it is ready, it will send a typed letter (the

aunt has typed all her letters for years) to the investigators asking for their aid

(handout #1). When the Eater is certain that the investigators are on their way, it

will consume the aunt and take her place.

The house may be located in any part of the East Coast, but it has to be in a fairly

isolated area and it should be at least a couple days’ travel from where the

investigators live.

The adventure begins when the investigators arrive at the house. “Aunt Sandra”

will greet them at the door, make small talk and show them their rooms. Since the

Eater knows it has a definite time limit, it will get down to business the first night.

The House

The house is a relatively modern structure (it was built about ten years ago) and

has two floors and a basement. It is a perfectly normal house (except for its current

occupant) and looks that way.

The house is, in fact, built on an ancient Native American burial ground. None

of the local tribes protested building on the land, since the burial grounds belonged

to a tribe they hated and feared (and later helped wipe out).

The house was built for Samuel Lang, a retired professor of anthropology. Many

of the locals thought he was a bit odd (he was), but Lang was just a normal retired

professor. He lived in the house until he was killed by the cultist Zeke Williams at

the Eater’s command. Another cultist, the lawyer Richard Benton, took care of

transferring the deed and covering up the murder. Benton then departed for Boston,

where he had other business.

The house is located about fifty miles from the nearest city or town (depending

on where the Keeper has located the adventure). The nearest house is few minutes

away (by car) and this house is occupied by Zeke Williams.

In order to be able to keep watch on the investigators, the Eater had Zeke prepare

tiny peepholes for each room. If an investigator actively searches a room, they have

a chance of spotting the holes (spot hidden at -30%). If the investigators spot the

peepholes, the Eater will deny any knowledge of them and will suggest that the

previous owner must have put them in for some odd reason.

Area Map

The area map details the area around Aunt Sandra’s house.

Aunt’s House: The house that belongs to Aunt Sandra.

Ditch: A three foot drainage ditch. There is one on either side of the road. When it

rains, the ditches flood.

Zeke’s House: A small two story house with nothing out of the ordinary. Zeke’s

house is on the way to the nearest town/city.

Study: The study contains several book shelves and a few pieces of furniture. The

Eater will tell the investigators that some of the book shelves were there when she

moved in. If the investigators search the room, they will almost certainly (+20% on

spot hidden rolls) find a secret compartment in one of the book shelves. This shelf

was brought in by Zeke and the Eater prepared the manuscript that is hidden in the

compartment. The manuscript is detailed below. Other than the manuscript, there is

nothing unusual in the study.

Basement

Finished Basement: This area has carpeting and paneling, but is empty.

Storage: The storage area holds a variety of normal junk (which belonged to Lang),

including a chain saw and a single shot .410 gauge shotgun. The gun and saw are on

a workbench way in the back and are concealed by a lot of other junk. There is a box

of 30 old shells (each has a 1 in 10 chance of not working) beside the shotgun. Also

on the workbench is a battered brief case that holds some of Lang’s old notes (from a

freshman Anthropology class). The briefcase is locked and a bit rusty. It can be forced

open (it has a “strength” of 8) or cut open.

Furnace/Laundry Room: This room contains the house’s oil furnace as well as a

washer and dryer. The room is normal, except for the panel that leads to the

bedroom. Because of the poor lighting, the panel is somewhat difficult to spot (-10%

on spot hidden). If the investigators bring their own lights, there is no penalty to

spot it.

Investigation

The investigators will certainly wish to investigate the situation. Since the Eater

is familiar with the usual methods of human enemies of the Mythos, it has

prepared a variety of false clues and red herrings.

One false clue is the manuscript that is located in the study. This manuscript

purports to be Lang’s journal and it provided a (fictional) account of his dealings

with the Mythos. This manuscript was prepared by the Eater and it cleverly lays out

a plausible story which seems to explain what is going on. It is also intended to help

Zeke become accepted by the investigators as an ally. After all, if Zeke was such a

problem for the wicked Lang, he could certainly aid the investigators. Of course, the

manuscript is a complete fabrication (Lang had no inkling of the Mythos until the

Eater killed him). Enough excerpts are provided as handouts for the players to get

the flavor of the journal.The Eater was careful about simulating the age of the

journal (it used an old book and had Zeke leave it in the sun to “age” it further). If

the investigators found Lang’s briefcase and his notes, they will notice that the

handwriting of the journal is different from that of the notes if they compare them

side by side.

The Eater, posing as Aunt Sandra, will suggest that the investigators talk to Zeke

Williams. The Eater will tell them that Zeke is friendly, though a bit eccentric. If the

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