Case 02 · A first look

Dear God,
What Is
That Thing?!

Summer has come to Arkham.
Something else has, too.

Six months after returning to Arkham, you take on your first big case. A young woman has emerged from Uptown Park claiming the trees are alive, and a suspicious stranger has slipped away into the crowd. With the park sealed off and the woman recovering at St. Mary’s, Inspector Garrison asks for your help. Follow the leads and piece together what happened in those woods.

Enter the mystery
Dear God, What Is That Thing?! casebook cover: a monstrous tree rises from a misty wood within an ornate green border
The second of twelve mysteries · Click to enlarge

A disturbance on West High Street

“The trees were alive.
Alive!”

A young woman has collapsed after emerging from the woods at Uptown Park. Taken to St. Mary’s Hospital, she survives—but her account of what happened makes little sense.

A suspicious onlooker flees when a policeman calls out to him. Neither the woman nor the stranger has been identified. The park is cordoned off.

Who are they?
And what happened in those woods?

Sunlight falls through summer trees beside the Gothic entrance to Miskatonic University
Summer at Miskatonic University · Artwork from the casebook

Six months after your return

A familiar office.
An unfamiliar case.

Professor Henry Armitage welcomes you back to his office at the Orne Library. After months of smaller mysteries, Inspector Garrison has asked for your specialist assistance.

Armitage gives you the details. The rest is yours to investigate.

“This case won’t be too complex. However, after my experience last summer in Dunwich, one can never be too sure.”Professor Henry Armitage · From the opening

Introducing the Arkham Advertiser

Read between
the headlines.

The morning newspaper becomes part of your investigation.

Its stories may point you toward useful leads, draw you into another mystery, or send you down a dead end. You’ll have to decide which details deserve a closer look.

As in the first case, new components are introduced within the story. Here, the casebook explains how to put the Arkham Advertiser to work.

Casebook excerpt introducing Newspapers: the June 30, 1929 Arkham Advertiser contains clues that may lead to the main investigation, additional mysteries, or dead ends
A detail from page 4 · Click to read

Arkham, Massachusetts · June 30, 1929

This morning’s edition.

Explore both pages of the Arkham Advertiser. Click a page to enlarge it, or open the full-resolution image to read every detail.

The Arkham Advertiser front page for June 30, 1929, headed Woman Attacked in Uptown Park and University Exhibit Museum Robbed
Front page · Click to enlargeRead at full resolution
Page 2 of the Arkham Advertiser with local news, a letter to the editor, personals, public notices, and period advertisements
Page 2 · Click to enlargeRead at full resolution
Illustrated red-brick St. Mary’s Teaching Hospital, surrounded by trees
St. Mary’s Teaching Hospital · Artwork from the casebook

Choose where to begin

The city holds
the pieces.

The woman is recovering at St. Mary’s. The woods are closed. A stranger is still unaccounted for. Each is a starting point; none is the whole story.

Use the Map and Directory, compare what you learn with the newspaper, and keep track of the details in your notes. The connections are yours to make.

Your time is limited.
What will you follow first?

The investigation continues

Arkham has more
to tell you.

Dear God, What Is That Thing?! is Case 02 of Mythos Tales: Legacy.
Begin your journey with Return to Arkham.

Explore the first case Get notified about the campaign