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Rules/Systems/Mechanics

A new way to track your emotional or physical well-being. A piece of game tech.
200 bite-sized hirelings and retainers for Old-School Essentials, OSR and classic fantasy roleplaying games.
Simple rules for playing an RPG as yourself.
A one-page ttprg rules kit and MOSAIC Strict module.
A rules and setting zine for jammin' the stars between spheres for Troika!
Make your own games using Quietus
A gm-less roleplaying SRD
A WordPress plugin for creating robust online roll tables for any TTRPG
A bookmark game jam game
a slip of an rpg
A DURF micro-supplement
Faction Rules for DURF
A simple system for simple gameplay
A method for running labyrinths and mazes without a map for your TTRPGs
A free treasure generator for fantasy rpg systems
Evolution in game design
CORE produces emergent stories that are character-driven, dynamic, and unpredictable
1pg rules lite d20 based fantasy RPG
Role Playing
A modular polyhedral dice set based combat system for TTRPG designers.
A dicey, no-GM one-sheet storygame of the sea
Sistema generico gratuito. / Free generic system.
Templates for creating Quest RPG content
Assorted Mechanics and Procedures from Bad Quail Games
how much information can we extract from a single roll
Rules Light High Fantasy Roleplaying
A system-neutral, narrative approach to hit point damage.
This is a set of mechanics for playing or creating a d20+d6 role-playing game without corporate attachments.
a diceless, genre neutral, roleplaying game.
An Introductory TTRPG Design SRD
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