Coriolis – The Third Horizon

GURPS (Generic Universal RolePlaying System) is a tabletop role-playing game designed by Steve Jackson and published by Steve Jackson Games. Initially released in 1986, with its current Fourth Edition published in 2004, it provides a universal ruleset built to accommodate any conceivable genre, setting, or power level. The system is recognized for its high degree of modularity and its strict reliance on point-based character creation rather than traditional classes or experience levels. Description In GURPS, players construct characters by allocating a predetermined pool of Character Points. These points are spent to acquire core attributes, specific skills, and advantages. Players can also elect to take disadvantages, such as physical limitations, phobias, or social stigmas, to gain additional points during the creation process. The game functions primarily as a mechanical toolkit rather than a fixed set of rules. Game Masters are instructed to select only the specific mechanics, combat modules, and magic systems from the core rulebooks and supplemental materials that fit the intended tone and setting of their campaign. System Overview & Key Features 3d6 Task Resolution The system exclusively uses a pool of three six-sided dice (3d6) for action resolution. To succeed at a task, a player must roll a total equal to or lower than their character's modified skill or attribute target number. The use of three dice generates a bell curve probability distribution, which makes average outcomes statistically common and extreme successes or failures mathematically rare. Point-Buy Character Creation Character generation is entirely point-based. The Game Master assigns a starting total of Character Points (CP) to dictate the overall power level of the campaign. Every element of a character, including the four basic attributes (Strength, Dexterity, Intelligence, Health), specialized skills, wealth, and social status, is purchased using these points. Universal Modularity GURPS is structurally designed for adaptation. The core rulebooks provide the foundational mechanics, while hundreds of supplemental books offer optional, granular rules for specific settings, such as cybernetics, realistic martial arts, space travel, or varied magic systems. The ruleset is intended to be heavily customized and scaled in complexity by the Game Master. Tactical Combat and Damage Resistance Combat encounters operate on one-second turns, creating a highly detailed and tactical framework. The system incorporates rules for hit locations, weapon reach, bleeding, and shock penalties. In combat, armor functions as Damage Resistance (DR); it directly subtracts from the numerical damage inflicted by an attack rather than making the target more difficult to hit. Skill Defaults When a character attempts an action for which they do not possess the specific trained skill, the system utilizes a "default" mechanic. The player may roll against a closely related skill or a foundational attribute, applying a predetermined numerical penalty. This mechanic simulates a character attempting an unfamiliar task using their general knowledge or raw physical capabilities. Additional links sjgames.com/gurps - Official Steve Jackson Games publisher website and digital storefront gurps.fandom.com - Extensive fan-curated wiki for rules, settings, and sourcebook references

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Overview Obsidian is a free, locally-stored Markdown note-taking application that the TTRPG community has widely adopted as a campaign wiki, session planner, and lore database. Originally designed as a personal knowledge management tool, it stores everything as plain text files on your own machine with no subscription required. Description Unlike purpose-built platforms such as World Anvil, Obsidian was not designed with TTRPGs in mind, which means it arrives without templates, stat block support, or any TTRPG-specific structure out of the box. GMs who want those features need to install and configure community plugins themselves, which carries a steeper setup cost than dedicated alternatives. For those comfortable with that process, however, the result is a highly customizable system with no ongoing fees and no vendor lock-in. A thriving plugin ecosystem has filled most of the gaps, and the tool has become a genuine alternative to subscription-based worldbuilding platforms for technically comfortable Game Masters. System Overview & Key Features The Vault System Obsidian organizes everything into a "vault", a folder of plain Markdown files stored locally on your machine. Your campaign notes are portable, readable in any text editor, and not tied to any server or subscription. There is no proprietary format and no account required to access your own files. Bidirectional Linking Obsidian's core feature is its wiki-style linking. Typing [[The Silver Throne Tavern]] in a session note creates a connection to that location's article, tracked in both directions. You can click any note and immediately see every other note that references it, from quest hooks to NPC backstories. Graph View Every link in your vault is visualized as an interactive network graph. Game Masters use it to see which NPCs are the most connected, which locations have no written articles yet, and where campaign threads intersect. It is a useful overview tool for large, complex vaults. Canvas Canvas is Obsidian's built-in infinite whiteboard. Game Masters use it to map out plot arcs, organize faction relationships, or plan dungeon layouts using a drag-and-drop interface that links back to notes in the vault. TTRPG Plugin Ecosystem Obsidian has no native TTRPG features, but community plugins cover most needs. Fantasy Statblocks renders monster and NPC stat blocks from multiple game systems inside your notes. Initiative Tracker handles combat order. Dice Roller allows rolls directly from the vault. The Leaflet plugin embeds interactive, pinnable maps into location articles. Each plugin is maintained independently, so quality and update frequency varies. Templater The Templater plugin allows you to define reusable document templates. For example NPC sheet with fields for Motivation, Secrets, and Stat Block, or a session template with sections for Recap, Key Beats, and Cliffhanger. New documents can be generated from any template in a single command, which significantly reduces repetitive formatting work. The plugin ecosystem extends well beyond what is listed here, with community tools covering everything from database-style note querying and cross-device sync to interactive maps and combat automation. A full directory is available at community plugins. Additional Links obsidian.md - Official website and download obsidian.md/plugins - Community plugin directory forum.obsidian.md - Official community forum