# Best Cosmic Horror TTRPGs Cosmic horror games make the universe feel vast, indifferent, and hostile to human certainty. Investigation, sanity, revelation, and helplessness often matter more than defeating the threat. ## Guide Cosmic horror games make the universe feel vast, indifferent, and hostile to human certainty. Investigation, sanity, revelation, and helplessness often matter more than defeating the threat. ## Games - [Delta Green](https://www.ttrpg-games.com/item/deltagreen) - Rank #37. Delta Green is a contemporary horror role-playing game that merges elements of Lovecraftian horror with modern conspiracy theories. Players become part of a secret government agency tasked with combating paranormal threats while maintaining their sanity and moral integrity. The game is renowned for its intense psychological impact, deep narrative, and the ethical dilemmas it poses. - [Call of Cthulhu](https://www.ttrpg-games.com/item/callofcthulhu) - Rank #72. Call of Cthulhu plunges players into the eerie world of H.P. Lovecraft, where they become investigators of the supernatural and the unknown. Using a skill-based system and a critical sanity mechanic, players experience profound psychological horror as they uncover chilling mysteries and face indescribable entities. - [Mothership](https://www.ttrpg-games.com/item/mothership) - Rank #1002. Step aboard the desolate, dark confines of space in Mothership, a sci-fi horror RPG where players navigate treacherous alien worlds and face off against cosmic terrors. With a streamlined ruleset focused on survival and psychological horror, Mothership immerses players in a tense, suspenseful atmosphere where every decision can mean life or death. Unique character classes, random tables for generating spooky encounters, and an emphasis on narrative-driven storytelling make Mothership a must-play for fans of sci-fi and horror RPGs. - [The Magnus Archives](https://www.ttrpg-games.com/item/themagnusarchives) - Rank #1014. The Magnus Archives transports players into a world of supernatural horror, where they investigate mysterious cases and encounter eldritch entities straight out of Lovecraftian nightmares. With a focus on storytelling and uncovering secrets, the game offers a chilling and immersive experience that will keep players on the edge of their seats. Unique mechanics like the Archives system add depth to character interactions and provide a sense of dread and tension as players delve deeper into the unknown. - [Arkham Horror](https://www.ttrpg-games.com/item/arkhamhorror) - Arkham Horror immerses players in a Lovecraftian world of cosmic horror, as they take on the roles of investigators striving to prevent the awakening of ancient deities. This cooperative game combines strategic gameplay with an intricate narrative filled with mystery, madness, and supernatural encounters, requiring players to manage their resources and face challenging scenarios together. What sets Arkham Horror apart is its atmospheric blend of storytelling and suspense, where every decision can lead to triumph or doom in the ever-encroaching darkness. - [Cthulhu Confidential](https://www.ttrpg-games.com/item/cthulhuconfidential) - Cthulhu Confidential immerses players in a noir-infused world where they step into the shoes of hardboiled detectives navigating the shadowy streets of 1930s Los Angeles, all while facing the unsettling horrors of the Cthulhu Mythos. This unique game combines a focus on solo or dual player experiences with an innovative narrative system, allowing for deep character exploration and dramatic twists as players uncover mysteries and confront eldritch threats. With its blend of cinematic storytelling and psychological tension, Cthulhu Confidential redefines the detective RPG genre by inviting players to grapple not just with crime, but with their own sanity. - [Cthulhu Dark](https://www.ttrpg-games.com/item/cthulhu-dark) - Cthulhu Dark is a rules‑lite horror game by Graham Walmsley that pushes dread and discovery to the forefront. With minimal mechanics and an Insight track that escalates consequences, it delivers fast, fiction‑first investigations where running, hiding, and hard choices matter more than gear lists. Ideal for intimate, high‑tension sessions. - [Cthulhu Hack](https://www.ttrpg-games.com/item/cthulhuhack) - Cthulhu Hack is a rules-lite investigative horror game that pares Lovecraftian mystery down to d20 saves, usage dice, and mounting pressure. It keeps the focus on dread, bad options, and dangerous curiosity, making it a strong pick for one-shots or short campaigns where atmosphere matters more than crunchy procedure. - [Tiny Cthulhu](https://www.ttrpg-games.com/item/tinycthulhu) - Tiny Cthulhu is a rules-lite Lovecraftian horror game using the minimalist TinyD6 engine. Classless and low-prep, it focuses on tense investigations, perilous choices, and fast resolution with a handful of d6s. Ideal for one-shots, convention play, and quick campaigns that emphasize mood over mechanics. - [Trail of Cthulhu](https://www.ttrpg-games.com/item/trailofcthulhu) - Trail of Cthulhu is an investigative cosmic horror RPG built on GUMSHOE, designed so clue-finding keeps mysteries moving while stability and sanity track the cost of knowing too much. It excels at 1930s conspiracies, occult research, and slow-burn descent into the Mythos.