Call of Cthulhu (2014)

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 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 - Official Delta Green website arcdream.com - Official Arc Dream Publishing website

Ouroboros: Age of Drowning is an original tabletop roleplaying game with its own setting and unique narrative-focused dice-pool system. Set in a dystopian world after the Meteor Fall, Ouroboros: Age of Drowning combines mystery, forbidden Alchemy, and surreal horror. The technocratic Clockwork Faction enforces a victorian New Order from its industrious Domed Cities, while rising seas consume the world beyond. As members of a League, you make discoveries in a world where Reality is unstable. Investigate strange phenomena, confront Factions with competing agendas, and encounter Aetherika, spirits, folklore made real, and horrors from the Otherworld. Venture into Dreamscapes, where Surreality blurs the boundary between worlds, and confront the Dark Thoughts within yourself as your Shadow grows. The game uses a dice-pool system designed around Traits, Specializations, and Focuses, giving characters different ways to approach problems rather than reducing them to a handful of broad attributes. Investigation, social maneuvering, survival, combat, occult practices, Dreamscapes, and forbidden Alchemy are all handled through the same core system.

Get your table playing in minutes, not hours.   GATEWAY RPG is a free, rules-lite d20 system built for zero-prep adventures, sudden one-shots, and seamless intro sessions. Familiar 5E-style mechanics with all the bloat stripped out, so you can run any genre instantly: neon-soaked cyberpunk streets, grit-filled noir alleys, high fantasy, cosmic horror, and everything in between. The Definitive Edition is now the main book. This is the complete, current version of GATEWAY RPG: updated core rules, solo play, a starter bestiary, and homebrew variants, character sheets all combined into one source. New artwork, professional layout, and everything players and GMs need in a single 132 page PDF. Want the history? Every older version of the rulebook, spanning 2017 to 2026, is bundled in the Legacy Zip below for collectors and the curious. Download the complete PDF bundle. AI Disclosure: This Enhanced Edition of Gateway RPG features some AI-generated artwork and layout assistance. The rules were still hand written by me and human proofread/playtested since 2017. As a one-man passion project with $0 budget, and $0 revenue gain from this game, this edition utilizes AI imagery only to provide a visually richer and cohesive experience while keeping the game entirely FREE. The original Classic Edition from 2017, featuring human-created artwork, is included as a bonus in the download files. However, if you are only looking for a gaming experience completely free of AI-generated assets, the standalone Classic Edition can be found exclusively on its own dedicated product page at https://gatewayrpg.itch.io/gateway-rpg-classic-edition. What’s Inside? Definitive Edition (Main Book): The complete game in one volume. Updated rules, solo play engine, starter bestiary, and homebrew variants. Legacy Zipfile (2017-2026): Every prior version of the rulebook, character sheet, supplement preserved as released. For archivists, returning players, and anyone who wants to see how the game evolved. Core Rules: The streamlined engine for players and Game Masters, in both English and Spanish (Reglas en Español). Character Sheets: Multiple Printable and Form Fillable Character Sheets Ready-to-Play Content: Pregenerated characters and one-shot adventure modules spanning multiple genres. Jump straight into the action. Player's Toolkit: Printable and form-fillable character sheets, a one-page quick reference guide, and the d20 Oracle for solo play. Starter Bestiary: 25 adversaries across 11 settings, from High Fantasy to Space Opera to Lovecraftian Horror. Homebrew Variants: Over 20 pages of optional mechanics, including Spark of Heroism (Inspiration), Pushing for Success (partial success), and genre modifiers for Survival and Cosmic Horror. Pocket Character Sheets: Compact sheets designed for portability. Solo Play Quickstart Zine: A portable, zine-style guide for on-the-go solo adventures. NEW: Android Player Companion App Character Builder: Create custom characters or select from 30 curated pre-mades. Pocket Rules: Quickly search core mechanics and references on the fly. Sheet-Integrated Dice: Roll checks directly from your sheet. Solo Engine: Built-in oracle for quick, on-the-go solo adventures. https://play.google.com/store/apps/details?id=com.aistudio.gatewayrpg.app Designer's Note: GATEWAY RPG grew out of a personal passion for tabletop gaming. Back in 2015, I discovered S. John Ross’s classic 1993 game, Risus: The Anything RPG. It was free, modular, ultra-flexible, and simple to pick up, but as I played more TTRPG's like DND5e, I missed the iconic d20 and the drama of critical hits and misses. I created GATEWAY RPG to capture that same beginner-friendly spirit while bringing back the thrill of the twenty-sided die and being able to use it for any setting. Whether you are running quick one-shots, playing standalone adventures, diving into solo sessions, or modularly introducing advanced rules as your group learns, GATEWAY adapts seamlessly to your table. GATEWAY RPG and Aurican's Lair are a Not-For-Profit Tabletop Roleplaying Game publisher.

Rolemaster is a fantasy tabletop roleplaying game known for its percentile dice, detailed skill system and graphic, table-driven combat, published by Iron Crown Enterprises (ICE). It began in 1980 as a set of rules grown out of house rules developed by Pete Fenlon, S. Coleman Charlton and Kurt Fischer for a Middle-earth Dungeons & Dragons campaign at the University of Virginia. Rolemaster Unified (RMU) is the newest edition. It was released in December 2022 after a long public playtest, and it draws on the Rolemaster Classic (RMC) and Rolemaster Fantasy Role Playing (RMFRP) lines. It is issued as Core Law, Spell Law, Creature Law and Treasure Law, with a Character Companion and an Arcane Companion alongside. ICE still sells the older RMC and RMFRP lines too. The game has a reputation as one of the hobby's most intricate fantasy rule sets, and a reviewer of the Unified core book called it extremely complex and described it as "at a fundamental level the same game" as the 1980 original. Its setting-neutral rules have an official setting in Shadow World, and ICE's older lines also include Middle-earth Role Playing (MERP) and the simplified HARP. Description Players create adventurers from a wide menu of races, cultures and professions, and the Game Master (GM) runs them through a fantasy campaign in whatever world the table prefers. Every skill is open to every character. A profession decides how cheaply a character can develop each one, so two characters can be built very differently from the same pool of points. The game asks a table to accept a lot of numbers. Combat is built on tables and a hit can end in a gruesome critical result, so players have to weigh how aggressively to fight against the risk of a death-dealing blow. It rewards groups who like building a character in detail and don't mind looking things up, and it is hard going for those who want to run a game from memory.

DaggerHub is a browser-based toolkit for Daggerheart players and GMs. Players can create characters, manage character sheets and create homebrew. For GMs, DaggerHub offers encounter building, live encounter management, campaign tools, and homebrew.

Advanced Dungeons & Dragons Second Edition (AD&D 2E) is a fantasy tabletop roleplaying game of heroic adventure, published by TSR in 1989 and designed mainly by David "Zeb" Cook. Work began in 1987 with a small TSR team led by Cook, and Steve Winter and Cook redeveloped the edition after Gary Gygax, who wrote the first edition, left TSR in 1985. The Player's Handbook and Dungeon Master's Guide sold over 400,000 copies in their first year, though lifetime sales fell short of the first edition, and the Dungeon Master's Guide won Origins and Gamer's Choice awards. TSR re-released the core books in 1995 with new covers, art and layouts, and the line was succeeded by Dungeons & Dragons 3rd Edition in 2000, which was revised into Dungeons & Dragons 3.5. The system directly evolved from Advanced Dungeons & Dragons First Edition (1977). It was designed to work with first edition rules, but its information was streamlined and clarified. Description Players take on adventurers drawn from a set of races and classes, and the Dungeon Master (DM) runs dungeons, wilderness and, in later years, whole settings. The edition shifted the game's feel from 1960s and 1970s sword and sorcery to medieval history and mythology, and it stressed heroic roleplaying and teamwork. Demons and devils were removed by name and renamed tanar'ri and baatezu. The second edition grew far beyond a single fantasy world. TSR added settings such as Ravenloft (horror), Spelljammer (science fiction) and Dark Sun (apocalyptic), each with its own rules supplements. The game asks a table to keep a few tables and a fair amount of arithmetic, and the many optional rules mean the DM should decide what is in play at the start of a campaign.