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Visit a world not our own, but strangely familiar―a world of heroes and villains, of wonders and dangers, and limitless adventure! The Atlas of Ear...

Freedom City gives you the world's most renowned city of heroes to rescue from the forces of evil! Called "the greatest superhero setting ever," th...

The cosmos is a vast realm of primal powers, alien empires, and wonders and dangers beyond imagining. Now it is yours to explore with The Cosmic Ha...

The Gamemaster's Guide has everything a Mutants & Masterminds GM needs, from guidelines on creating challenges and adventures to advice on desi...

Emerald City is a brand new setting for your Mutants & Masterminds Third Edition campaign. Set in the same universe as the award-winning Freedo...

Hero High was one of the most popular and sought after books in the history of Mutants & Masterminds―and now it’s returned for the game’s Third...

The Superteam Handbook puts the focus on the heroes and their team, with details for players and gamemasters alike to make their team cohesive, dra...

By Green Ronin PublishingThe Silver Storm has turned Emerald City from a quiet Pacific Northwest metropolis to a hub of super-criminal activity, an...

Every hero needs an origin story and this can be yours! Written with new gamers in mind, the Basic Hero's Handbook streamlines and clarifies the fl...

Rogues Gallery collects super-villains from Green Ronin's popular online series, with the addition of new material and never-before-seen characters...