Mythos Machine

Create Your Own World!

the Elthos RPG Mythos Machine

Elthos is a magically distilled and incredibly flexible Role Playing Game for Gamemasters who want to create their own Worlds. The Rules are designed for fast action light-weight games that minimize the grunt work and maximize the creativity. The Mythos Machine is a Web Application that supports Elthos RPG with comprehensive set of Game Prep services that are based exactly on the Elthos Rules, so there is no need for the Gamemaster to create macros or figure out how to integrate the system with their game. All it asks is that you feed it with your fantastic imagination. Players can use the Mythos Machine as well to Generate Characters in their Gamemaster's Worlds, and maintain the ongoing histories of their Characters and Adventures. The Elthos Rules and the Mythos Machine combine to provide Gamemasters an elegant and well structured environment for creating Worlds and recording game stories.
Start creating your World today!


The Elthos RPG is a light-weight Role Playing Game system for fast and exciting game play. The Mythos Machine is a ‘Next Gen’ Web Application that fully integrates the Elthos RPG Rules. With the Mythos Machine building your own Worlds, and your Game Prep, are vastly simplified. The combination makes the life of the RPG enthusiast smoother, easier and more elegant.


The Elthos RPG and the Mythos Machine gives Gamemasters the freedom to create any kind of World, and populate it with whatever ingenious Races, Cultures, Equipment, Places, Campaigns and Adventures you can imagine. It does the grunt work, and leaves the creativity safely in your own hands, where it belongs! With it you can add your fabulous ideas to your World from anywhere you happen to be.


The Elthos System is highly customizable, allowing you to configure your Worlds any way you want, creating your own internal rules for weapons, armors, skills, powers and much more. You can customize the mechanics of your Worlds in dozens of ways, enabling you to obtain the play style you prefer. You can create anything, and shape your World’s internal rules so that they work any way you want them to.

Greetings Elthosians!

Site is currently down for Database Maintenance. Sorry for any inconvenience!
We will be back up and running soon!

The Production system is now officially in the Go-Live Phase! The Subscription system, including all Player, Marketplace GM, Basic GM and Premium GM features are now officially "Live" on the site. As with any major software release things can potentially go a little haywire somewhere, so if you happen to see any problems, or wish to make any recommendations for improvement please, contact me via the Feedback feature or Discord (see button below). I will be happy to help with any issues or answer any questions you may have. I am looking for Reviews of the Mythos Machine so if you are interested in doing an official publically posted Review please send a link to your Review and your Mythos Machine user name to Mark -@- and I will be happy to give you a Free 1 Year Premium GM Coupon as my way of saying 'Thank You!'. All reviews are accepted, good or bad, and will not affect your free service one way or the other. Thank you!

Note: Only US Citizens over the age of 13 are authorized to use this site.
This is unfortunately due to recent legal restrictions imposed by international taxation, copyright and child protection laws which unfortunately I can not afford the legal costs to address at this time.  I'm very sorry about that and will be working on expanding our coverage as soon as possible. Thank you for your patience!

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