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Delta Green: Need to Know
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Delta Green: Need to Know

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Gold Ennie Award, 2016Gold Ennie Award winner for Best Free Game, 2016


Born of the U.S. government’s 1928 raid on the degenerate coastal town of Innsmouth, Massachusetts, the covert agency known as Delta Green spent four decades opposing the forces of darkness with honor, but without glory. Stripped of sanction after a disastrous 1969 operation in Cambodia, Delta Green’s leaders made a secret pact: to continue their work without authority, without support, and without fear. Delta Green agents slip through the system, manipulating the federal bureaucracy while pushing the darkness back for another day—but often at a shattering personal cost.

In Delta Green: The Role-Playing Game, you are one of those agents. You’re the one they call when unnatural horrors seep into the world. You fight to keep cosmic evil from claiming human lives and sanity. You conspire to cover it all up so no one else must see what you’ve seen—or learn the terrible truths you’ve discovered.

The quickstart rulebook of DELTA GREEN: NEED TO KNOW includes everything you need to play Delta Green.

  • Complete rules for conducting investigations, overcoming crises, fighting for your life, and watching your sanity slip away.
  • Complete rules for character creation.
  • Six characters, ready to play.
  • A Delta Green operation, “Last Things Last,” ready for the Handler (the game moderator) to introduce your team to Delta Green tonight.

This is only the beginning. Deeper terrors can be found in Delta Green: The Role-Playing Game and its sourcebooks, available from Arc Dream Publishing.

Short description of "Last Things Last" for convention games: A long-retired agent died four days ago. Delta Green has tasked your team to make sure he didn't leave any deadly secrets behind.

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Reviews (12)
Discussions (3)
Customer avatar
Sylvain B March 04, 2021 4:02 pm UTC
Sadly the latest version of the PDF seems to have an error: on page 23, Kamaroff's character sheet has weird arbitrary numbers instead of percentage points in most of their skills.
Customer avatar
Sylvain B March 05, 2021 12:43 am UTC
Also, Cornwell's sheet is missing skills that should be provided by their hard experience bonuses: Forensics and Occult
Customer avatar
Tim G September 12, 2021 9:17 pm UTC
I was just coming to mention this. Eg 40% is rendered as 4. #
Customer avatar
michael M January 08, 2021 12:55 pm UTC
Can you make a print on demand version?
Customer avatar
Carl M March 04, 2016 1:24 pm UTC
Where is the print copy that is mentioned? Or where can it be bought? P.s. I am in the UK.
Customer avatar
Craig B March 07, 2016 3:19 am UTC
It's not released yet, maybe in a couple months. Check the Kickstarter for detailed print and pre order schedules.
Customer avatar
joseph F June 10, 2016 11:28 pm UTC
Any updates on print editions?
Customer avatar
Shane I June 23, 2016 3:27 pm UTC
The print editions of NEED TO KNOW and the AGENT'S HANDBOOK are en route now and will start shipping in late July.
Customer avatar
John S January 25, 2022 8:59 pm UTC
Did the errors get fixed in Need to Know?
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Product Information
Platinum seller
Publisher Stock #
File Size:
15.55 MB
Original electronic
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File Last Updated:
February 15, 2021
This title was added to our catalog on February 26, 2016.