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A Time to Harvest - PDF

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Death and Discovery in the Vermont Hills!

In 1929, a student died during an expedition in the Vermont Hills. One year later, the Miskatonic University sent another team on the same expedition…

It's time to harvest.

Chaosium Unveiled: Inside A Time to Harvest

Watch the unveiling video to see the book for yourself. Remember that you get the PDF when getting the physical copy.

What's Inside?

First released as a six-scenario Organized Play series, A Time to Harvest is available now for the first time in a complete and updated tome. The campaign is compatible with both Call of Cthulhu and Pulp Cthulhu rules.

Into The Hills...

Red Sign

Set in the picturesque state of Vermont at the beginning of the 1930s, A Time to Harvest is a six-part campaign centered on the valley surrounding the sleeping town of Cobb's Corners. A wellspring of resources for the Keeper, the book includes a full suit of player handouts, maps, and details on the key locations preparing you for both the events of the campaign, as well as giving you plenty of information to write your own scenarios set in 1920s Vermont.


Cobb's Corners

Mi-Go Attack

A small town nestled in a bountiful valley, Cobb's Corners is a key location in A Time to Harvest. The book details the Vermont town, helping you bring it to life at the tabletop, and to give the setting for your games of Call of Cthulhu a rich, lived-in feeling.

On Campus

A Wellspring of Investigators

Adventurer Portrait

A Time To Harvest contains new rules and advice for creating student investigators. Additionally, there is information on incorporating existing characters into the campaign by bringing in your investigators that have cut their teeth in other scenarios for Call of Cthulhu.

The book includes 10 pre-generated investigators, giving new and eager players everything they need to jump right into the mystery of Cobb's Corners.

Mother Loves Me

For Mature Readers

This book deals with mature themes and is intended for mature players.

Downloads for this Product

Keeper Reference Booklet
Keeper Map Pack
Player Handouts and Maps
Pregenerated Investigators
NPC Portraits
Plain Text Handouts

Watch Live Play: A Time to Harvest

Curious about the scenarios? Watch the Live Play on the Stream of Chaos

What The Critics Say

  • "A splendid 1930s campaign splicing some canonical locations with the latest and greatest of 7th edition goodness... An unexpected addition to the Chaosium canon, but a very worthwhile and rewarding one."

    — Paul St John MacIntosh, RPGNet Review of A Time to Harvest.

  • "This is a magnificent campaign, full of epic detail and executed to perfection. Call of Cthulhu fans should definitely have a look."

    — M.T. Black, Twitter Review.

  • "For Call of Cthulhu fans, this is a strong addition to the game’s product line and will be a welcome addition to a collection... Of particular note is how well conceived the mission is. All of the different actors have clearly defined objectives. The investigators themselves, obviously, but also the antagonists and NPCs. Putting it all together makes the story work seamlessly as it’s easy to understand how all of the different parts are supposed to be working in concert."

    — British Fantasy Society, Call of Cthulhu: A Time to Harvest. RPG Review.

  • "A Time to Harvest is a fantastic campaign book. I absolutely love that we finally have a campaign that is squarely in Lovecraft Country alone, and the atmosphere of this location is fantastic... This is an easy recommend to Keepers looking for a new experience to bring to their playgroups. HIGHLY RECOMMENDED!"

    — EuroCultAV, Tabletop Review – A Time to Harvest/Cults of Cthulhu – Chaosium.

  • "I do really dig this tale set in the backwoods of Vermont – 9 out of 10."

    — The Gaming Gang, Call of Cthulhu: A Time to Harvest.

  • "A Time to Harvest is modern and dynamic, scientific horror rather than eldritch horror, and cosmic horror of a Science Fiction bent... and for the players and their student Investigators, a summer of horror and scientific madness they will never forget."

    — Reviews from R'lyeh, The Fungi from Yuggoth II.

  • "A Time To Harvest projects the careful study that went into lengthy development. It has everything that makes Call of Cthulhu campaigns great: complex antagonists, strange mysteries, interesting characters, and danger hidden in the open... A modern classic - I love it"

    — RPG Imaginings, YouTube Review.

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Call of Cthulhu and Pulp Cthulhu
Year Released:
Full Color PDF
Page Count:
Brian M. Sammons, Glynn Owen Barrass, Mike Mason, Lynne Hardy
Cover Artist:
Caleb Cleveland
Interior Artists:
Dan Barker, Alberto Bontempi, Alicia Cardell, Caleb Cleveland, Emanuele Desiati, Fifa Finsdottir, Victor Leza, Pat Loboyko, Ernest Mason, Loïc Muzy, Alessandro Patria, Lee Simpson, April Solomon, Mali Ware
Matt Ryan
Nicholas Nacario
  • Full Star Full Star Full Star Full Star Full Star 5
    Excellent follow up to the Keeper Screen Pack scenarios

    Posted by Rob R. on 8th Sep 2023

    ATTH is a great follow up to Blackwater Creek (with Miskatonic U. investigators). Make sure if you want characters that transition easily from Blackwater Creek, that they are all undergrad/graduate level students or junior faculty at the most. The Chaosium live play on Twitch and YouTube is a great resource for Keepers to help segment sessions and keep pace of play at an appropriate level.

  • Full Star Full Star Empty Star Empty Star Empty Star 2

    Posted by William Anderson on 4th Mar 2023

    So is it plagurism when you take an adventure from the '80s or '90s, change the location and repagage it? I was so excited to see this "new" adventure set in 1930 which would be a good continuation of our campain. Imagine my disappointment to see that it was actually just a dust off of a side adventure set in South America... including the trip to the moon and an encounter with Shubby. I wish I could give this a higher rating because of the work that has gone into expanding the adventure and investigator handouts and such, but the fact that it is just a rehashed older adventure sold as a new one, I can't rate it high.

  • Full Star Full Star Full Star Full Star Empty Star 4
    Good Scenario, however the latest revision has some errors

    Posted by Herbert Shaw on 16th Jan 2022

    I picked up the 1.10 version of the PDF. There are some errors noting sections on certain page numbers which are incorrect. For instance, on page 209, towards the end of the fourth(?) paragraph, it writes: " .. see The Underground River, page 209, for what happens next." Well, you are on page 209, and the section it is actually referring to is on page 217. Other than tings like this in the PDF, the scenario is running pretty well, and my players are scrambling for their lives.

  • Full Star Full Star Full Star Full Star Full Star 5
    An excellent campaign - lots of possibilities

    Posted by Morgan Hua on 11th Oct 2021

    I've run this 3 times with different groups. This is a pretty solid campaign. Chapter 1 has a great twist that works very well and Chapter 2 flows well from Chapter 1. Chapter 3 can be expanded with other scenarios as that can become a basis for another series of scenarios for experienced investigators. Chapter 4 & 5 brings the campaign to a conclusion, finishing the events started in Chapters 1 & 2. Chapter 6 is an optional scenario that can be slotted in if the PCs go through a gate (actually pretty fun, but maybe slightly out of place in tone for the campaign). The number and variety of NPCs in this campaign makes this a very fun sandbox. Student hijinks in Chapter 1 & 2 is the icing on the cake in this campaign. The illustrations in this is very evocative. The original organized play had few illustrations and had mainly handouts and maps. This has been rectified with additional art. The Miskatonic University setting can be used as a basis for future campaigns set on campus such as Crimson Letters in the core book. I used this plus the Miskatonic University book as a basis for a campaign in Arkham, relocating various published scenarios to this locale. The FOC HQ can be a launching point for various scenarios the Keeper may want to send PCs on. They'll be veteran investigators with deep pockets. But I wouldn't do too many scenarios here as you want the PCs from Chapter 1&2 to experience Chapters 4&5. But nothing prevents the PCs from continuing to work for FOC after Chapter 5.