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Delta Green: The ConspiracyClick to magnify

Delta Green: The Conspiracy


It’s been twenty-four years, a month, and two days since the bastards brought us down.

In that time we’ve come back strong, doing things they couldn’t conceive of. They think they understand us, those who know we’re still around. They think we’re cowboys, meddlers.... They think we’re just too pig-headed and selfish and old to let go of what we once were.

They know nothing.

In Delta Green, cosmic terror meets modern conspiracy. Delta Green is a secret group dedicated to protecting humanity from unnatural horrors, misappropriating the resources of the U.S. government to wage a war that they must at all costs keep hidden.

The Conspiracy is a 1990s sourcebook for Delta Green: The Role-Playing Game: An updated, rearranged version of the original, 1997 Delta Green sourcebook with new art and graphic design, new appendices by Shane Ivey, editing by Shane Ivey and Caleb Stokes, and a foreword by Ray Winninger. Delta Green won the Origins Award for Best Roleplaying Supplement. The Delta Green line has consistently been some of the highest-rated RPG books of all time. The Conspiracy brings those original, infamous horrors to the light of a new age.

The Conspiracy includes:

  • Agents & Friendlies
  • The Delta Green Campaign
  • Delta Green
  • The Fungi From Yuggoth
  • Majestic
  • The Karotechia
  • Saucerwatch
  • The Fate
  • Feds in the Nineties
  • Security Classifications
  • Glossary
  • Mysterious Manuscripts
  • New Rituals
  • Bibliography
  • Index

Entry One has been breached. Time to get this show on the road. They have no idea the kind of Hell I’ve prepared for them. May God have mercy on my soul.

Delta Green: A chapter opener featuring a 1930s Marine glaring at a Deep One's corpse

The Campaign: A chapter opening with commandos landing from helicipters at night

Delta Green leader Joseph Camp with a Cthulhu statuette

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Reviews (1)
Discussions (6)
Customer avatar
Fedor D August 08, 2023 4:04 pm UTC
Is this worth buying if I have the original DG? Is it just a revised rerelase of the same material with new art etc, but basically the same stuff?
Customer avatar
James G March 06, 2023 1:31 am UTC
I am unfamiliar with Delta Green but have been attracted by the positive reviews. I understand this is a collection of some of the original material refreshed and expanded. Could the scenarios in this book be stitched together as a campaign?
Customer avatar
ᛒᚱᛖᚾᛏ ? March 23, 2023 4:47 am UTC
There are no scenarios included in this book. It is almost entirely for the original 1990's setting and lore for Delta Green. The original scenarios from the old books will be in a future release called "Incursions" (
Customer avatar
Matthew T August 23, 2023 4:35 pm UTC
That seems to contradict this (from

Convergence has blighted the nightmares of unwitting players since it first appeared in 1992. This edition has been thoroughly edited and updated for Delta Green: The Role-Playing Game and it accompanies Delta Green: The Conspiracy, a sourcebook for terrors in the Nineties.
Customer avatar
Matthew T March 05, 2023 7:17 pm UTC
Customer avatar
Marc-Antoine G December 16, 2022 7:38 pm UTC
How does this game compare with the, I'm guessing, 2016 release? It is essentially the same game but in its original 90s timeline?
Customer avatar
Cristian M January 25, 2023 4:06 pm UTC
Same ruleset, different period in the history of the lore. The 2016 game focuses on the "modern", post 9/11 era. This book focuses on the 90s.
Customer avatar
Kevin C October 30, 2022 5:22 am UTC
An exquisite return to one of my all time favorites. I own all the previously published DG material and it's so nice to have it revised and updated and in such a beautifully produced product. Looking forward to returning to the frantic, conspiracy-haunted 90s in grand style sometime soon.
Customer avatar
Cristian M October 27, 2022 3:54 pm UTC
What's the difference between the two files,


Customer avatar
Cristian M October 29, 2022 12:43 pm UTC
Seems this has been fixed and now there's only one file.
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File Last Updated:
October 31, 2022
This title was added to our catalog on October 26, 2022.