Delta Green (2016)

Overview

Delta Green is a standalone tabletop roleplaying game of modern conspiracy and cosmic horror. Originally a supplement for Call of Cthulhu, the current standalone edition was published by Arc Dream Publishing in 2016. Players take on the roles of federal agents or contractors working for a secret, illegal organization dedicated to containing supernatural threats and covering up the existence of the Cthulhu Mythos to protect the United States. The system it directly evolved from is
Call of Cthulhu https://groupfinder.eu/library/call-of-cthulhu-2014
Description In Delta Green, the horror is not just about monsters; it is about the toll that a life of secrecy and violence takes on the human soul. Agents juggle their high stakes investigations with their crumbling personal lives. They must navigate a world of bureaucratic red tape, government conspiracies, and sanity shattering entities while ensuring that no one, not even their own families, ever finds out the truth. The game is famous for its bleak tone and focus on the cost of the "Great Work." System Overview & Key Features
d100 Percentile System The game uses a familiar percentile dice engine. Skills are rated from 01 to 99. To succeed, you must roll equal to or under your skill rating. If the tens and ones digits match (a double) and the roll is a success, it is a critical success; if it is a failure, it is a critical failure.
Bonds and Domestic Ruin Agents have Bonds representing their relationships with loved ones or colleagues. When an agent suffers Sanity loss, they can choose to project that trauma onto a Bond to reduce the loss. This mechanically represents the agent coming home and taking their trauma out on their family, slowly destroying their personal life to stay functional in the field.
Sanity and Adaptation The game tracks three types of Sanity loss: Violence, Helplessness, and the Unnatural. If an agent experiences enough Violence or Helplessness without breaking, they can become "adapted," making them more resilient to those triggers but less capable of maintaining human empathy and Bonds.
Lethality Rating Instead of rolling many dice for heavy weapons like assault rifles or explosives, Delta Green uses a Lethality percentage. If the player rolls under this rating, the target is instantly killed. If they roll over it, the weapon deals a fixed, significant amount of damage instead.
The Home Phase Between missions (Operas), players play through a "Home" scene. They must choose how to spend their limited time: fulfilling responsibilities to maintain Bonds, seeking therapy to recover Sanity, or practicing skills. Choosing one often means neglecting the others, leading to a downward spiral of isolation.
Special Training and Agencies Character creation is deeply rooted in real world professions. Whether you are a CIA Case Officer, an FBI Special Agent, or a CDC Epidemiologist, your profession dictates your starting skills and the federal resources you can leverage during an investigation.
Additional links deltagreen.com https://deltagreen.com - Official Delta Green website arcdream.com https://arcdream.com - Official Arc Dream Publishing website

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Delta Green
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Delta Green: Reverberations
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Delta Green
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Delta Green: Reverberations

Roleplay focused
Conversation, character and story take up most of the table time.
Newbie friendly
New players are welcome, and nobody expects you to know the rules beforehand.
I’m looking for 2 more players for Reverberations, a Delta Green scenario set in modern-day Chicago: "A Nineties rave drug called Reverb is back on the streets, stronger than ever - and now users and dealers are disappearing." Game details System: Delta Green Scenario: Reverberations Date: Saturday, 8 August 2026 Time: 13:00 EEST / 12:00 CEST / 11:00 BST Format: Online (Discord) Length: The scenario may take 1-2 sessions. If necessary, an additional session will be held at the same time on Sunday. What to expect My games tend to be discussion-heavy. Players spend time comparing theories, examining evidence, deciding what different clues might mean, and discussing what they want to investigate next. I use lots of images, clues, handouts, and in-world documents to make the investigation feel tangible. I try to reward curiosity and creativity: noticing details, following leads, asking questions, and making use of the locations and NPCs. My goal is to make the game as immersive as possible. This is an investigative horror game rather than a combat-focused one, although combat is always an option. The point is not necessarily to discover the "correct" answer, but you should enjoy engaging with the mystery and making decisions as a group. I strongly prefer players who have not previously played or read Reverberations, so that everyone can experience the investigation and its surprises naturally. That said, new and experienced players alike are very welcome, and you do not need to know the Delta Green system at all before playing. Platform and registration This will be an online voice game. Accepted players will receive the voice-chat information, character materials, and other game documents before the session. You can read the event details and request a place through my Delta Green calendar: https://luma.com/deltagreen

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Shadowdark
Shadowdark
...
Klamath Falls
Online
Jeremiah
Hi All, long-time TTRPG player and GM. Started with BECMI D&D, then AD&D 2e before moving onto Rifts, Shadowrun, and original World of Darkness. Getting back into the swing of things, and trying out the online space. Would really like to try ShadowDark and some of the newer OSR games. Sorry not sorry that I'm not a fan of 5e, new World of Darkness, or Critical Role type games (Daggerheart, Candela Obscura). You can try to change my mind, but keep your fingers crossed.
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Savage Worlds
Savage Worlds
CoC
Call of Cthulhu
...
Online
Marlon
Hello, fellow gamers. My name is Marlon, but everyone calls me Jay-long story there that I won’t get into. Anyways, I’m the forever DM in my family, and I run weekly podcast games for my wife. We’ve designed a tabletop RPG called Prosperon: A Bio‑Cyberpunk RPG, and we’re actively looking for more playtesters. If that interests you, shoot me a message and we’ll make it happen. With that being said, I’m also an active player in several games. I’m currently in a Blades in the Dark campaign every Thursday, which is absolutely amazing, and I have a few open biweekly days where I can commit to another game-as long as it’s the right game, the right crew, and the right day and time. That’s all for now. Take care, and don’t forget-have fun at your table.
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VtM
Vampire: The Masquerade
Homebrew
Homebrew
...
Online
Rhiannon Miller
I have been playing TTRPGs since 2009 and have played a great many games over the past 17 years. I am a Transgender Woman, and I tend to enjoy adventure-focused scenarios where the cozy elements are contextual rather than every session being focused on the mundane. I enjoy combat occasionally, but it's not my favorite. By far, I think I enjoy GMing more than playing, but I am happy to join and play the part in your group if you want me.
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MOTHERSHIP
Mothership
DG
Delta Green
...
Online
Elec
Hi there! I'm relativley new to ttrpgs, and there are a bunch of games that I want to try out without having to become a forever GM I'm open to pretty much anything. Feel free to reach out!
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DND5E
Dungeons & Dragons 5E
...
Denver
Online
Jillian
Hi! My name is Jillian. I just moved to Denver from the Midwest and am hoping to link up with a group to play some games and make some friends :) I am still very much a beginner, but I have dabbled in DnD, CoC, and Delta Green. I've also some brief experience with Coriolis, Old Gods of Appalachia, and Vaesen. I tend to favor horror-oriented stories but this is not a must!  Im hoping to find a group that likes to have a good time and is welcoming to someone who is still learning. As far as playstyle goes, I'm just gonna try my best and take feedback as it comes :)
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