Resources: GM Aides

2D6 + 19 Hex Power Flower

A versatile game engine using 2D6 and a 19-Hex Flower (it’s like a random table, but with a memory). This approach is useful for all sorts of semi-random things, from wilderness navigation to weather, from random encounters to NPC reactions, and many more.


Acronyphobia is the irrational fear of acronyms. In tabletop RPGs we throw around a ton of acronyms and there is a bit of a learning curb for newbies. This site is a glossary of common tabletop acronyms, abbreviations & terms.

Apocalypse Fuel

A brainstorming tool for the role-playing game Apocalypse World; intended for the use of MCs, it generates brief concepts and apocalypse-barf names for NPC gangs and other communities, as well as names and simple hooks for NPCs.

Apocalypse World - All Splats & Hacks

Maintained by Patrick Henry Downs, this page lists ALL of the AW Playbooks known to humankind. If you want to share a new playbook, identify a dead link, or find out anything about this page, put "AW page" in the subject heading and send it to nerdwerds AT gmail dot com

Apocalypse World NPC Generator

Quickly generate 95 AW NPCs, with or without Complications. Code by As If Productions. Based on a script by Louis with additions by Philomorph. Names taken from the Apocalypse World character playbooks.

Cooperative Worldbuilding Tool

This tool generates the world known by the PCs and the history they have heard of. You can always introduce small bits of information that may make the players see things under a different light or even reveal a shocking hidden truth about it all.


An impressive collection of RPG Tools and Random Generators. Categories include General, Fantasy, AD&D, d20/Fantasy, Microlite20, Pathfinder, D&D 4e, D&D 5e, Weird Fiction, and Science Fiction.

Factions for SF or Fantasy

Sometimes you need to brainstorm a number of factions for a quick setting, like a new town or region. This random faction generator creates 1-10 groups complete with motives, tactics, secrets and weaknesses. It can be used for either Science Fiction or Fantasy worlds. Take it for a spin!

HexTML - Online Collaborative Map Maker

HexTML is a free browser-based hexmap maker and campaign manager for D&D or any other tabletop RPG. Maps can be created solo or collaboratively, and may be shared in almost-realtime with anyone.

Indie+ 2014 Anthology

Essays, games, supplements and original larps by Quinn Murphy, Rich Rogers, Arlene Medder, Brendan Conway, Meguey Baker, Mark Diaz Truman, John Wick, Shoshana Kessock and Jenn Martin.

Infomine on Interactive Fiction

This post is a mine on IF.

Instant Game

Instant Game is a tool for creating and playing new RPG settings and plots on the spot.

Nine Steps and a Bloody Heart

A set of expansion rules for any game, GM'd or solo, designed to produce a solvable mystery.

Random Generators

Huge list of Random Generators & Random Tables for your Random Pleasure.

Random Sword & Sorcery Adventure Generator

For use with any traditional fantasy role-playing game.

RANDOM.ORG offers true random numbers to anyone on the Internet. Numbers, strings, lists, maps, music, and more!


Names, treasure, encounters, NPCs... Here you'll find a number of random generators that you can use as inspiration for your campaign or fiction!

Setting Brainstorming Sheet

This aid by Paulo Rivas López is meant to help the players and the Narrator to build the setting of the game together as well as getting to the same page in respect to some of each others expectations. It includes a new trick too: to handle Fronts (that stands for all kind of plot-relevant organizations such as a guild of thieves, a kingdom, a company, a ship, etc), you just roll 6d6 and list those numbers as the Front stats, or place the dice over the hexagons in any order you want.

Seventh Sanctum

Random Generators of ideas, from story concepts to science fiction weapons to silly spells. Wide variety of genres.

Story dice

Online dice roller with cool icons instead of numbers. Well it does numbers, cards, etc. but the feature you want is the icons. A sort of "common game themes" Tarot.

SWN Sector Generator

Designed for use with "Stars Without Number" by Sine Nomine Publishing, this generator creates a sector and populates it with worlds, NPCs, corps, politics, religions and aliens.

TABLOO - Table Formatting Tool

TABLOO is a free interactive table design and formatting tool for RPG Designers and GameMasters. It assists in layout and handles the math, outputting a finished table in text or HTML format.

Terrain Generator Wheel

A deceptively simple and pleasant-looking method for determining randomly-generated terrain.

The D&D Conversation Mini-Game

A fun and easy way to structure conversations among new players, breaking the ice and getting the ball rolling, this minigame prompts players to reveal new information about their characters' personalities, thoughts, or pasts.

The Open RPG List

Every game on this list has some form of open license which allows you to use its rules in your own products without obtaining permission first or paying some kind of license fee. Please consult the licence documentation with the game itself before releasing a product based on it, and do not take anything we say here as professional legal advice.

The Rumor System

One of the most difficult aspects to being a game master is planning campaigns where players are constantly invested and engaged in the story and world. The Rumor System was created to solve that problem, as it allows the players to determine the outline of the main plot so that the game master doesn’t have to shoulder the entire burden. It also serves to inform the game master about the players’ motivations so that they can continue to facilitate a mutually rewarding game.

The Story Games Names Project

Compiled by the members of, this classic resource breaks names down into over a hundred categories and genres, with lists ranging from fantastical and historical names to contemporary and humorous ones.

Threat Map

A cleaned-up PDF version of the Threat Map for use with AW2e, by James Steinberg.

Togetherness Table

The Togetherness Table is a shared dynamic mat allowing a group of players to roll dice, draw cards, set clocks, draw onscreen, etc. For the fiction!