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What is Polymorph?

polymorph is an RPG platform—a tool kit and a set of development assets—that allows game designers to create easy to use and learn tabletop roleplaying games (TTRPGs). As a framework, it eliminates complex systems and esoteric rules mastery in favor of an elegantly simple yet satisfying core mechanic:




In a polymorph game, each player only ever uses a specific polyhedral die.  Each die represents a different “way to play” or a different “role” that they have in the group. Whenever a player asks “can I do something?” they roll their die and with a quick glance at a resolution matrix, know if they succeed.

No math

There is NEVER any math involved when you play polymorph. Depending on the game world and what kind of character that you are playing, you may roll with advantage or disadvantage, and the game master never rolls dice.


Award winning


polymorph won BEST RULES 2020 from the IGDN and has been nominated for ENnie Awards for both Best Rules and Product of the Year (Mazes and The Excellents).

Want to know more?

We are licensing polymorph for game designers like YOU to use for your next RPG! All you need to do is send us some details about you and your project, and we'll send you our polymorph Creation Kit. It's all the documentation you need to start creating your own game.

Published Polymorph Games

polymorph can run games as varied as traditional dungeon-ing and dragon-ing; feel good cartoon princesses; or an experimental group game where you share control of a living algae colony in a tank. From superheroes to gods, to talking animals to inanimate objects, polymorph can handle it. Check out some of our published games designed using polymorph

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