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Delta Green: Agent's Handbook
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Delta Green: Agent's Handbook


Silver Ennie Award winner for Best Supplement, 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 AGENT'S HANDBOOK is a players-only rulebook for Delta Green: The Role-Playing Game. This new incarnation of the award-winning DELTA GREEN game line includes:

  • Rules for creating agents of all types.
  • Rules for tense, fluid investigations. Players who use their agents' skills in clever ways have the best chance to succeed -- and survive.
  • Nerve-wracking rules for combat, where random disasters can undo the most careful planning.
  • Mind-melting Sanity rules that see agents gradually deteriorate -- and sometimes snap.
  • Rules for "home" scenes where players see what their agents are fighting for.
  • Quick, intuitive rules to determine equipment and assets.
  • Dossiers on the federal agencies most likely to be featured in play.

Further terrors can be found in the forthcoming core rulebook of Delta Green: The Role-Playing Game, which will include everything from the AGENT'S HANDBOOK and massive resources just for the Handler.

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Reviews (17)
Discussions (9)
Customer avatar
July 27, 2020 8:30 pm UTC
Can you give short list of changes in last update or link where i could see it?
Customer avatar
Othman A June 20, 2021 2:25 pm UTC
Hi, I know it is over a year but you can find the updates here :
Customer avatar
Bryan W August 14, 2019 4:30 pm UTC
Ostensibly my favorite RPG
Customer avatar
Marco Antonio R April 25, 2019 2:05 pm UTC
excellent new edition of the classic Delta Green

Spanish review here
Customer avatar
Fil S August 06, 2018 3:28 pm UTC
Print on demand would be amazing.
Customer avatar
Eirik B January 06, 2017 8:06 pm UTC
Hello. Really looking forward to the Case Officer's book. Any word on when this will be released for Delta Green? :)
Customer avatar
Shane I November 26, 2017 6:53 pm UTC
The Handler's Guide (its new name) is available!
Customer avatar
Angel T March 18, 2018 4:09 pm UTC
Can you please make the rules available in POD? I'd love to add these books to my collection but they go for crazy money second hand.
Customer avatar
STEVEN R August 30, 2016 5:12 pm UTC
Printer friendly version . . ?
Customer avatar
Ville O July 21, 2016 8:06 pm UTC
Is the game playable with just the Agent's Handbook?
Customer avatar
Shane I August 12, 2016 6:28 pm UTC
Yes. You can use the Agent's Handbook to play everything that's ever been created for Delta Green.
Customer avatar
Michael D June 30, 2016 3:24 am UTC
So, is this based on the original Call of Cthulhu rules, or are they developing an entirely new system. I'm hoping they aren't "updating" to the travesty that is 7th Edition rules...
Customer avatar
Rory H June 30, 2016 6:21 am UTC
It's derived from the original CoC rules, but developed in new directions (albeit trying to be backwards compatible). It is not based upon CoC 7E rules.
Customer avatar
jacob C April 28, 2016 12:34 am UTC
Could anyone clarify what the last line means?

Further terrors can be found in the forthcoming core rulebook of Delta Green: The Role-Playing Game, which will include everything from the AGENT'S HANDBOOK and massive resources just for the Handler.

This seems to imply that the core rulebook would make this book redundant but I'm pretty sure that's not the case.
Customer avatar
Aaron H April 28, 2016 12:47 am UTC
It means Agent's Handbook is a player's guide for creating characters and other pertinent information players need to know to understand the setting. The full core rulebook will include everything within the Agent's Handbook along with everything the Handler (i.e. GM) needs to run the game. This way, players don't have to spend nearly as much just to create characters.
Customer avatar
Mark S April 29, 2016 12:03 pm UTC
It's also handy if you don't want your players to have just rules they need to know without spoiling the backstory, monsters, spells, etc..

Remember, this is a conspiracy/espionage game. Information is compartmentalized.
Customer avatar
jacob C April 30, 2016 9:12 pm UTC
Ahhh, ok, thank you for clarifying; as a perpetual GM I'm afraid I think of everything in GM terms so it didn't even occur to me that someone wouldn't want the core rulebook. Looks like I'll be placing an order in a day or so.
Customer avatar
Trung B May 25, 2016 7:42 pm UTC
The secondary book, The Case Officer's Handbook, will include the Handler information for (what I'm guessing), creating scenarios, some opposition (hopefully rules for creating your own opposition), more setting information, and anything else in relation to creating and running a Delta Green game. It was the version I wanted to pick up because Kenneth Hite is working on it in conjunction with the remainder of the DG team and I'm sure it'll be chock full of awesome stuff. I'm really looking forward to it!
Customer avatar
Mark J June 28, 2016 3:06 pm UTC
When can we expect The Case Officer's Handbook to hit the shelves?
Customer avatar
Shane I August 10, 2016 6:42 pm UTC
PDF, probably (!) late 2016. Print a few months later.
Customer avatar
Chris C January 18, 2017 4:01 pm UTC
Any update on the Case Officer's handbook vis a vis the release date?
Customer avatar
Gus D November 05, 2017 12:41 pm UTC
Hi, Chris. In case that you missed it, the Delta Green Handler's Guide PDF was released last week, in time for Halloween! :)
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File Last Updated:
February 24, 2021
This title was added to our catalog on April 27, 2016.