Against the Darkmaster - a new Epic Fantasy MERP-inspired game


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We're almost out of physical copies! It may be a while until they get a reprint, so if you haven't got your copy yet, hurry up and get it NOW, before they run out!
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The 1.4 version of the Core Rules is here!
We've just updated the file, fixing some typos and incorporating the corrections in the Errata document. If you've already bought the PDF, the new version will be waiting for you on your DriveThruRPG account!


Legacy of Blood, a brand new adventure for Against the Darkmaster by Jonathan Hicks is now available on DriveThruRPG! Can you beat the minions of the Darkmaster in a desperate race against time? Can you survive the Legacy of Blood?

Get it now! Legacy of Blood - Open Ended Games, Inc. | Against the Darkmaster |



We're proud to announce that the Against the Darkmaster Core Rules are currently featured in the latest Bundle of Holding Indie Cornucopia 9, alongside other top-quality small press TTRPGs such as Ironsworn, Ultraviolet Grassland, Electric Bastionland, Impulse Drive, and Opera House!

This means that for little more than $25 you'll get more than $125 worth of indie TTRPG goodness, AND in doing so you'll also help fight the pandemic, as part of your payment goes directly to Direct Relief charity!

Learn everything there's to know on the Bundle of Holding home page:

And remember, the offer ends on Monday, December 13, so don't wait!


The Against the Darkmaster Roll20 sheet is finally live! Just search for Against the Darkmaster in the Character Sheet Template when creating your game and you're ready to fight the minions of Darkness!


Greetings heroes! We’re very pleased to announce that pre-orders for the second printing of the Against the Darkmaster Core Rules are now LIVE!

The books are being printed right now, and will be distributed this summer. Please note that this pre-order is currently limited to the US only. We’ll have more info coming soon for our international customers.

Far more than a simple reprint, this revised edition of the Against the Darkmaster Core Rules updates the book to version 1.5 of the PDF, integrating all compiled errata.

FOR A LIMITED TIME ONLY all preorders will include a free copy of the Against the Darkmaster GM Screen!

Do not tarry, hero! PRE-ORDER NOW and join the fight Against the Darkmaster!



Hi everyone, we’re really thrilled to introduce our new game: Against the Darkmaster
We’ve been working hard on it, and playtesting it internally for quite a bit now, so as you can imagine, we’re very excited to finally be able to show it to you.

So, what are we talking about?

Against the Darkmaster is a d100 based, Epic Fantasy game, built for high adventure and heroic actions.
It’s inspired by the great, classic fantasy sagas (like The Lord of the Rings, The Sword of Shannara or The Wheel of Time); 80s fantasy movies (like Dragonslayer, The Beastmaster or Krull); the Power Metal aesthetics; and the great MERP/Rolemaster family of games.

It started out as a simple fan-made revision of MERP, a collection of house rules and rulings straight out of our games. However, we soon realized that our project was growing on its own, and becoming something completely different. We had changed and rewritten so many things, that we now had in our hands a new game.
So, Against the Darkmaster still shows its original roots but, rather than being a simple revision or clone of an older game, it’s something completely new.

Here are the core elements of Against the Darkmaster:

Unified Mechanics: Against the Darkmaster uses a simple underlying mechanic for everything: you roll a percentile dice, add your bonus, and confront the result with a table to see the outcome of your character’s action.
This makes the system very easy to learn and run, and allows for fast play, without having to sacrifice detail.

Customizable Characters: characters are created by combining different Kins and Cultures with Vocations and Background Options. This allows you to build extremely variegated playing characters, and helps you bringing your character to life by letting you define the core elements of his past.

Flexible Magic System: an open magic system, that lets every character dabble into spell casting, regardless of his Vocation, and where specialists can Warp their spells, to obtain extraordinarily powerful effects.

Bloody Tactical Combat: Maim, stun and kill your foes! Completely revised Attack Tables and Critical Strikes make combat fast and brutal. In Against the Darkmaster every blow could be lethal, so pick you fights and tactics wisely.

Travel & Exploration: travel has always played an important role in fantasy sagas, and in Against the Darkmaster each journey is an adventure on itself. Your characters will wander through wilderness and Darklands, face dangerous hazards, and find refuge in those few Safe Havens that still manage to resist the pernicious influence of the Darkmaster.

Character-Driven Play: a Passions & Drive system, designed to bring characters motivations and goals into play, helps you forge your character’s destiny exclusively through your choices, without compromising roleplaying immersion.

But there’s much more to it, as you will see by heading to our website and downloading the FREE Quickstart Rules of the game, containing everything you need to create your heroes and start your adventure against the hordes of the Darkmaster.

Let us know what you think about it, don't hesitate to ask if you have any questions, and stay tuned for more news about the game!
Thanks for this. I'll tell a friend about this who's into this sort-of thing.

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