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Nimble is a fast, tactical (and 5e compatible), TTRPG. Your game nights are too precious to waste with slow or fiddly rules! Slay the slog using the best elements from the greatest RPGs around. Nimble empowers players and GMs with more interesting choices, less waiting around, and have more fun playing epic stories Description Nimble RPG is designed to prioritize speed, tactical decision-making, and reduced administrative tracking for both players and Game Masters. The system condenses character sheets and streamlines the action economy to prevent long waiting periods between player turns. Its primary design philosophy centers on accelerating combat encounters without sacrificing strategic depth, utilizing highly lethal weapon mechanics and dynamic monster behaviors. The game is offered both as a complete standalone system and as a modular "rules hack" booklet that can be integrated directly into an ongoing Dungeons & Dragons 5th Edition campaign. System Overview & Key Features Fast Combat Don’t waste your time rolling to see if you can deal damage, just roll your damage dice! You deal that much damage. Attacks miss on a 1, but rolling the maximum is an EXPLODING Critical Hit! Exploding critical hits Roll the die again and add it to the total. There is no limit to how many times this damage can stack, except your luck! Instant Initiative Get RIGHT into combat with Improved Initiative rules that get players immediately into combat in a way that serves the story without breaking up the flow. Quick to prep Nimble is quick to prep and easy to run. You've got enough going on while GMing—Mechanics are all designed to be easy to manage and track at the table. You can be ready to run an adventure in as little as 5 minutes! And there's no need to for new players to read though endless pages of rules, teach new players as you play. Easy to balance Easy Encounter Creation. No matter the size of your party—whether you play in a cozy group with just 1 or 2 heroes, or a huge group of 8 or more—Encounters are easy and intuitive to build and balance for just the right level of challenge you like. Craft massive scale combat encounters, down to legendary solo encounters. Strategic Weapon System A subtly DEEP weapon system that rewards thoughtful play. No more, “I guess I’ll pick the bigger one...” Every weapon is balanced to have interesting strengths & weaknesses in combat. Additional links nimblerpg.com - Official website and rules repository

A portable, offline-first DM tool built with Flutter. Manage combat, track timelines, and project a rich campaign wiki seamlessly on any device. Overview & Key Features Project to Players Click "Toggle Player Screen" to open a second window. Drag any image — NPC portrait, item card, or map — to the "Drop to Project" bar. It appears instantly on the player-facing screen. Battle Map Toolkit Load a map and use four tool groups: Navigate to pan, Ruler/Circle for measurements in feet, Draw for annotations, and Fog to reveal or hide areas. Everything syncs to the player screen in real-time. Mind Map Canvas Right-click to add Notes, Images, or Workspaces. Middle-click to pan. Zoom freely — the LOD system keeps everything smooth no matter how complex your world gets. Soundpad Open the audio panel, pick a theme (e.g., "Forest", "Tavern"), and use the Intensity Slider to dynamically shift the music. Build custom themes with layered tracks. Links elymsyr.github.io - Official website github.com - GitHub Repository github.com - Developer docs patreon.com - Patreon page

D&D 5.5E (officially the 2024 core rules revision) is the modernized, updated evolution of the immensely popular Dungeons & Dragons 5th Edition (2014). The new and updated version of the system was released to coincide with the game’s 50th anniversary. Rather than replacing 5th Edition with a completely new "6th Edition," 5.5E refines and expands upon the existing 5E framework and most of the already existing mechanics. It is maintaining backwards compatibility with the  adventure and source books from 5th Edition. Description D&D 5.5E is the continuation of the iconic d20-based heroic fantasy roleplaying game. Players take on the roles of daring adventurers and the Dungeon Master (DM) describes the world, the events, controls the monsters and non-player characters, and referees the rules. The 5.5E revision was driven heavily by years of player feedback and data on how tables actually run the game. As a result, the new core rulebooks, the Player’s Handbook (September 2024), Dungeon Master’s Guide (November 2024), and Monster Manual (February 2025) are better organized, have clarified language and wording, and try to bring a stronger balance between spellcasting and martial classes. It plays exactly like the 5th Edition, but with tighter mechanics, fewer confusing edge-cases, and more tactical options for the players to have a more unique approach and feel to their characters. System Overview & Key Features Weapon Masteries This is a massive change to how martial classes are played in combat. Weapons now have specific "Mastery" properties, such as Cleave, Graze, or Push. This allows the characters to apply tactical, battlefield-controlling effects on their strikes rather than only rolling for standard damage on their turns. Subclass Standardization All character classes now choose their defining subclass at Level 3. This standardizes character progression and prevents the narrative weirdness of a Level 1 character instantly unlocking ultimate magical bloodlines before they've even adventured. Streamlined Conditions & Mechanics Historically clunky rules have been completely overhauled. For example: Surprise Instead of enemies randomly losing their first turn, surprised combatants simply roll their Initiative with Disadvantage. Exhaustion Replaced with a much simpler, cumulative 1-to-10 scale where each level of exhaustion simply subtracts from your d20 rolls and reduces your movement speed. Hiding Normalized so that successfully hiding essentially grants the "Invisible" condition, removing ambiguity for the DM. The Bastion System Introduced in the new Dungeon Master's Guide, this is an official customizable base-building system. It allows players to construct and manage their own strongholds. From arcane observatories to gambling dens. Apex Monsters & Upgraded Threats The 2025 Monster Manual expanded the roster to over 500 creatures, redesigning legacy stat blocks to be more dynamic in combat. It also introduced "Apex Monsters". These are a higher Challenge Rating versions of classic monsters (like an Apex Hag) designed to serve as more challenging bosses or enemies adding more danger and flavor to the basic version of the creature. Backwards Compatibility The core promise of 5.5E has been that you can still run older 5E adventure modules or campaign settings, even while adapting and using the newer ruleset and systems. If a table wants to bring a 2014 character class into a 5.5E game, the rules are there to accommodate, though it is highly encouraged to transition older characters to the updated 2024 mechanics, as the new systems bring  horizontal expansions to various classes and abilities. Additional links D&D Beyond Basic Rules - Free basic ruleset for the 5.5E D&D