New Releases by Steve Kenson

Steve Kenson is the author of Valiant Adventures Gamemaster's Kit (2025), Valiant Adventures Hero's Handbook (2025), Worlds of Valiant (2025), The Fifth Season RPG Gamemaster's Kit (2024), Cthulhu Awakens Game Master's Kit (2023).

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Valiant Adventures Gamemaster's Kit

release date: Apr 29, 2025
Valiant Adventures Gamemaster's Kit
The essential tabletop accessory for the Valiant Adventures Gamemaster. The Gamemaster''s Kit is a key accessory for your Valiant Adventures RPG campaign. It features a sturdy and practical 3-panel hardback screen with all the reference material you need to run the game. The kit also includes 4 quick reference cards and a combat tracker that you can write on with wet or dry erase markers. The Valiant Adventures Gamemaster''s Kit is the perfect complement to the Hero''s Handbook and Worlds of Valiant.

Valiant Adventures Hero's Handbook

release date: Apr 29, 2025
Valiant Adventures Hero's Handbook
The Valiant Adventures Hero''s Handbook is a standalone RPG that brings together the Mutants & Masterminds rules and the Valiant Universe of Bloodshot, Shadowman, and X-O Manowar. Comic fans know the Valiant Universe is home to classic characters like Bloodshot, Shadowman, Faith, Dr. Mirage, and X-O Manowar. Gamers know Mutants & Masterminds is the World''s Greatest Superhero RPG. Now these titanic forces combine to bring you the Valiant Adventures Roleplaying Game. If you''ve ever wanted to be part of the Valiant Universe, now you can! Create your own character or play one from the comics. Adventure in Britannia, The Deadside, Earth, The Faraway, New Japan, Space, The Stalinverse, or The Unknown. The Mutants & Masterminds rules, renowned for their adaptability, have been customized to reflect Valliant''s signature gritty realism and give you an easy way to create your own character. Pick an archetype, make a few quick customization choices, choose a power set, and you''re ready to play! The Valiant Adventures Hero''s Handbook is your starting point, a core rulebook with all the rules you need to play. Pair it with the Worlds of Valiant sourcebook (available separately) to complete the experience.

Worlds of Valiant

release date: Apr 29, 2025
Worlds of Valiant
The Valiant Adventures Hero''s Handbook gave you the rules to make characters and play the game. Now, its companion volume presents worlds from the Valiant Universe for your games. The Worlds of Valiant sourcebook details eight iconic settings and includes character write-ups for over 80 heroes and villains. These characters are also usable in any Mutants & Masterminds RPG campaign. Gamemasters can run their adventures and campaigns in these Valiant settings: Britannia, The Deadside, Earth, The Faraway, New Japan, Space, The Stalinverse, or The Unknown. Worlds of Valiant also makes a great reference book for comic readers. Jump into the Valiant Universe today! Eight worlds and over 80 characters from the comics for the Valiant Adventures RPG.

The Fifth Season RPG Gamemaster's Kit

release date: Jun 11, 2024
The Fifth Season RPG Gamemaster's Kit
The Fifth Season GM''s Kit is a collection of resources that helps you run adventures on the tabletop. It provides a sturdy Game Moderator''s screen that displays stunts and other essential information. Six quick reference cards provide further assistance with commonly used rules, and a dry-erase friendly game tracker that helps keep encounters organized. The booklet features a new adventure, Ruin-Under by Nell Raban. The Fifth Season RPG GM''s Kit is the perfect complement to the game''s core rulebook.

Cthulhu Awakens Game Master's Kit

release date: Nov 21, 2023
Cthulhu Awakens Game Master's Kit
The Cthulhu Awakens Game Master''s Kit is a collection of resources that help you smoothly deliver terror and adventure to your players. It provides a sturdy Game Master''s screen that displays stunts and other essential information. Four quick reference cards provide further assistance with commonly used rules, and a dry-erase friendly combat tracker that helps you follow violent moments of triumph, or doom. The secrets of the Game Master''s Kit are revealed in Unexpurgated Texts, a booklet detailing a dozen fell grimoires and their modern counterparts, each in an expanded, 2-page format listing the eldritch workings and other strange secrets each of them contains. The Cthulhu Awakens Game Master''s Kit is the perfect complement to the game''s core rulebook.

The Fifth Season Roleplaying Game

release date: Oct 10, 2023
The Fifth Season Roleplaying Game
Green Ronin brings N.K. Jemisin''s Hugo Award-winning Broken Earth trilogy to tabletop roleplaying. N.K. Jemisin''s multiple Hugo Award-winning Broken Earth trilogy comes to tabletop RPGs in The Fifth Season Roleplaying Game! Enter the Stillness, a vast, furious land that is home to thousands of Comms, settlements large and small where people gather for safety in a dangerous and unpredictable world. Each member contributes according to the dictates of their use-caste, and all with one goal: to prepare for the next Fifth Season, those cataclysmic events when Father Earth himself rages against humankind. It is only through the wisdom of the ancient Stone Lore that the people of the Stillness stand a chance of survival. The game gives players a chance to portray the folk of the Stillness, working together to deal with the problems that face their Comm to better prepare for the coming of the next Fifth Season. Players build a Comm together, create characters of that Comm, and face the challenges that the Stillness has to offer. The Fifth Season RPG is powered by a customized version of Green Ronin''s popular Adventure Game Engine (AGE), the same rules system as The Expanse, Modern AGE, Blue Rose, and Fantasy AGE RPGs. If you''ve played any AGE RPG before, you already know the core of the rules. Can you survive in the Broken Earth? Find out in The Fifth Season Roleplaying Game!

Touching the Wild: A Shadowspawn Bestiary & Rhydan Player's Guide

release date: Sep 19, 2023
Touching the Wild: A Shadowspawn Bestiary & Rhydan Player's Guide
In the world of the Blue Rose RPG, both good and evil have touched the natural world. The Light reached down and invested some animal--called rhydan--with souls, sapience, psychic power, and a deep need to fight against the wickedness of the world. Where Shadow has crept into the wilderness, it has given rise to abhorrent shadowspawn, things that rise against the Light and seek to spread their corruption far and wide. Touching the Wild is half shadowspawn bestiary and half rhydan player''s guide, so useful to both Narrators and players. The bestiary presents shadowspawn of various power levels, making foes both fair and foul to face down the heroes of a Blue Rose chronicle. The player''s guide offers advice for playing rhydan--including the option of an all rhydan chronicle--as well as a variety of talents, specializations, arcana, and equipment uniquely suited to rhydan characters. Light and shadow, friend and foe, Touching the Wild enhances any Blue Rose chronicle.

Astonishing Adventures Assembled!

release date: Aug 29, 2023
Astonishing Adventures Assembled!
Astonishing Adventures Assembled! presents seven complete scenarios for the Mutants & Masterminds RPG. In these adventures you can face the icy villains of the Cold Front, tangle with robot dinosaurs, bring order to a city where super pets run amok, escape the whims of a cosmic trickster, and more! Astonishing Adventures Assembled! also includes info on fleshing out your world with locations, relationships, and NPCs that can act as contacts, love interests, or rivals. Each adventure stands alone but there''s also advice on connecting them into a campaign and adjusting them for unusual groups or different Power Levels. Grab a scenario and you''re ready to go with Astonishing Adventures Assembled!

Fantasy Age Core Rulebook

release date: Jul 18, 2023
Fantasy Age Core Rulebook
Leap into sword and sorcery RPG adventures with the Fantasy AGE Core Rulebook! Powered by the popular Adventure Game Engine (also used in The Expanse, Modern AGE, and Blue Rose RPGs), Fantasy AGE is easy to learn and a fun to play. Character creation is simple: pick an ancestry, pick a class (mage, rogue, warrior, or envoy), pick a specialization (duelist, diplomat, pirate, sword mage, and more), and jump into the action. The heart of the game is the stunt system, which brings dynamism and drama to the table. Roll doubles on 3d6 to pull off heroic maneuvers in combat, cast mightier spells, perform amazing feats of physical and mental prowess, or even cut a rival down to size with a few clever words. The Fantasy AGE Core Rulebook gives you everything you need to play, from special talents and arcane magic to practical Game Master advice and challenging monsters. Start your adventures in Breakwater Bay and experience the Stranger Shores campaign setting. Set sail for the legendary city of Freeport or tempt fate by going deeper into the mist-shrouded seas. The Fantasy AGE Core Rulebook is fully compatible with all previous Fantasy AGE releases, but new players can start right here. Explore the Stranger Shores, use another fantasy setting of your choice, or create your own--Fantasy AGE is your portal to a new age of adventure!

Sol System: a Sourcebook for the Expanse RPG

release date: Feb 28, 2023
Sol System: a Sourcebook for the Expanse RPG
As the pressure rises and the exodus through the ring gates continues, opportunities abound for shrewd crews willing to take risks on Earth, Mars, and in The Belt. The changes brought about by the discovery of the protomolecule continue to disrupt the status quo, and tensions between the factions are white hot. Sol System provides information on the governments, corporations, and factions that vie for power and influence, along with expanded rules for trade and running corporations and other organizations. For players, there is new equipment and technology, including cyber and bioaugmentation, and expanded rules for Belter, Earther, and Martian characters. This beautifully illustrated sourcebook opens new ways to play and build characters, and exciting new details on humanity''s homes. Sol System also offers a plethora of new adventure opportunities--political intrigue, spies, strange cults!--and sets the stage for the forthcoming Free Navy Conflict.

Starfinder Alien Archive Pocket Edition

release date: Jul 12, 2022
Starfinder Alien Archive Pocket Edition
Strange aliens both friendly and fearsome fill this tome of creatures designed for use with the Starfinder Roleplaying Game! From the gravity-manipulating frujais and planet-killing novaspawn to space goblins and security robots, the creatures in this codex will challenge adventurers no matter what strange worlds they''re exploring. What''s more, player rules for a host of creatures let players not just fight aliens, but be them! Inside Starfinder Alien Archive, you''ll find the following: * Over 80 bizarre life-forms both classic and new, from the reptilian ikeshtis and energy-bodied hallajins to robotic anacites and supernatural entities from beyond the realms of mortals. * Over 20 races with full player rules, letting you play everything from a winged dragonkin to a hyperevolved floating brain. * New alien technology to help give your character an edge, including weapons, armor, magic items, and more. * A robust NPC-creation system to let Game Masters build any aliens or creatures they can imagine. * New rules for magical monster summoning, quick templates to modify creatures on the fly, and more! The pocket edition presents the same contents in a smaller sized softcover for a lower price and better portability.

Beyond the Ring

release date: Jun 21, 2022
Beyond the Ring
The opening of the Ring gates creates unlimited possibilities for new adventures in The Expanse RPG and Beyond the Ring gives GMs all the tools they need to support stories like the novel Cibola Burn. The Ring gates are open, as The Expanse RPG advances its timeline to the fourth novel in the series, Cibola Burn. The Ring, a massive construct created by the protomolecule out near the orbit of Uranus, is a portal into a strange non-space known as "the Slow Zone." Centered on an ancient alien station, it connects to more than a thousand other portals to a thousand different star systems, each with one or more worlds shaped by the ancient aliens who created the protomolecule and intended to do the same to Earth. Now they are long gone, and vast frontiers have opened for human settlement and exploration. Beyond the Ring details the Slow Zone, Medina Station, travel through the Ring gates, and some of the many systems found beyond them, along with tools for Game Masters to design their own systems for characters to explore. Beyond the Ring opens up a whole new type of adventure for The Expanse RPG, as characters travel to distant star systems and face unknown perils!

Blue Rose Adventurer's Guide

release date: Mar 08, 2022
Blue Rose Adventurer's Guide
For Aldis and the Queen! Aldis, the Sovereignty of the Blue Rose, shines as a new light in the world after the dark age of the Shadow Lords. Envoys of the Sovereign''s Finest strive to protect Aldis from threats like t he Shadow - dominated land of Kern and the fanatical Theocracy of Jarzon, as well as corrupt monsters and artifacts left over from the devastating Shadow Wars. The peoples of Aldis -- human, sea - folk, arcane vata, the doughty night people, and psychic, intellig ent beasts known as the rhydan -- unite in common cause. The Blue Rose Adventurer''s Guide opens up the award - winning romantic fantasy world of Aldea for players of the Fifth Edition of the world''s most popular fantasy roleplaying game. It comes complete with all of the ancestries, class options, feats, and more you need to create your own Blue Rose adventurers, and details on the unique arcana, magic items, and creatures of Aldea. The Sovereignty and its people need heroes! Will you answer the call and become one of the Sovereign''s Finest? Swear your allegiance to the light and to the rightful Sovereign -- adventure and romance await!

Time Traveler's Codex

release date: Dec 22, 2020
Time Traveler's Codex
Vikings plunder jewelry stores along the waterfront! Killer robots from the future hunt Abraham Lincoln! And the heroes are on trial for crimes they haven''t committed... yet! Time is a toybox for superheroes and villains, filled with colorful characters and convoluted plotlines. Time travel opens up new potential just as much as blasting off into space, with the convenience of all the major players and events already being written for you! With time as a canvas, you can pump up the grim or gonzo in your adventures, or build a whole campaign around protecting not just the world, but everything that has happened or ever will happen! The Time Traveler''s Codex is a supplement for Mutants & Masterminds, Third Edition that launches heroes into the fourth dimension. The Time Traveler''s Codex includes: A brief history of time travel, and an overview on the structure of time and how it functions in the Earth-Prime setting. Tips for deciding how time travel works in your campaign, complete with the consequences and hazards of meddling. Advice on creating your own time-hopping series, including optional rules, suggested power levels, and temporal dangers that lie along the way. Six causality-shaking villain archetypes who can harry heroes across the centuries, like the Immortal Conqueror and the Future Perfectionist, backed up by dozens of minions from across time and beyond! Guidance for players building time traveling heroes, complete with new advantages, powers, and equipment as well as a half-dozen time-sliding hero archetypes, like the Quantum Alien and the Temporal Tourist! Over a dozen different historical eras detailed, with rules guidance and statblocks for each, as well as adventure ideas and guidance for setting individual adventures in that time period, or an entire campaign! Catapult your adventures out of the city streets and into medieval French castles, Aztec battlefronts, and the imperial Ming court with the Time Traveler''s Codex!

Superteam Handbook

release date: Oct 29, 2019
Superteam Handbook
The Superteam Handbook puts the focus on the heroes and their team, with details for players and gamemasters alike to make their team cohesive, dramatic, and fun! Heroes can work closer together than ever before with new, team-focused powers, advantages, and attack options. Eight pre-made hero teams--ranging from PL 5 to PL 12--serve as campaign-kickstarters, with guidelines, resources, and advice for running a variety of heroic campaigns, along with background and statblocks for their members to use as player characters, rivals, or villains. Will you save the planet as part of the globe-hopping UNIQUE, battle to keep the streets safe as one of the street-brawling Ferroburg Four, or take on ancient aliens from the cockpit of your own giant robot as a member of MagnaForce? Whatever you choose, be stronger than the sum of yourparts!

Fantasy AGE Campaign Builder's Guide

release date: Oct 22, 2019
Fantasy AGE Campaign Builder's Guide
The Fantasy AGE Campaign Builder''s Guide is an indispensable resource for aspiring and experienced Game Masters alike. It provides advice and examples on such topics as designing entertaining and effective encounters, crafting interesting locations, customizing adversaries, and much more. It also includes tables to help generate campaign elements when a bit of spontaneity and randomness is desired. Each chapter in the Campaign Builder''s Guide is devoted to a different topic, each approached with a mix of advice, mechanical assistance, and ultimately ready-to-use examples. Whether you''re designing your own pantheon of fantasy deities for a campaign or seeking to alter settings, characters, and rules to emulate a particular sub-genre of fantasy, the Campaign Builder''s Guide has the advice and tools you need.

Modern AGE Companion

release date: Aug 06, 2019
Modern AGE Companion
Martial arts duels. Superpowers. Gadgets. Conspiracies. The Modern AGE Companion adds new rules for these elements and more, giving you the tools to customize the Modern AGE Roleplaying Game to fit countless campaigns. Explore new backgrounds, professions, talents and other options to customize character creation for your campaign. Build your own stunts to suit different genres and environments. Master systems for everything from fighting styles to horror. New rules for extraordinary powers, technologies, and organizations, genre inspirations and campaign design tailor the game for players and Game Masters. Make Modern AGE your own

The Expanse Game Master's Kit

release date: May 21, 2019
The Expanse Game Master's Kit
The Expanse RPG brings the universe of James S.A Corey''s sci-fi novels tothe tabletop. Being a GM for such a rich setting is a big job, so The ExpanseGame Master''s Kit is here to help. It provides a sturdy, full-color GM screenwith essential tables and references for game-play on one side and evocativeartwork on the other. It also includes 4 quick reference cards that put thestunts and actions at your fingertips, a combat tracker that you can write onwith wet or dry erase markers, a set of pre-generated Player Characters, and acomplete adventure to launch your crew right into the exciting universe of TheExpanse!

The Expanse Roleplaying Game

release date: May 14, 2019
The Expanse Roleplaying Game
"The Expanse created by James S.A. Corey."

Blue Rose RPG: Aldis City of the Blue Rose Source Book

release date: Dec 11, 2018
Blue Rose RPG: Aldis City of the Blue Rose Source Book
Welcome to Aldis: City of the Blue Rose! This beautiful, full color sourcebook lavishly details the capital city of the central nation in the Blue Rose RPG, providing players and Narrators alike the tools needed to tell stories using the city as a focus. From the intrigues of nobles in the High Ward to the entertainments in the Middle Ward to the roughest parts of town found in the Outer Ward, this supplement details people, important sites, and historical events of the City of the Blue Rose. Romantic fantasy narratives frequently remain focused around singular locations, giving time and opportunities for heroes to develop friendships, romances, and rivalries with the people to be found there, and this sourcebook provides everything to allow players in a Blue Rose RPG campaign to do just that!

Rogues Gallery

release date: Oct 09, 2018
Rogues Gallery
Rogues Gallery collects super-villains from Green Ronin''s popular online series, with the addition of new material and never-before-seen characters. It has dozens of fearsome foes for your Mutants & Masterminds series, enough to keep your heroes busy stopping schemes and saving the world for quite some time! In its pages you will find solo and loner villains, teams and alliances, organizations and outliers, and bad guys of many different power levels, backgrounds, and styles, suited for different M&M series, all with complete game information. Plus each villain comes with ready-made adventure hooks, making the book a collection of more than a hundred possible adventures as well!

Fantasy AGE Companion

release date: Jun 12, 2018
Fantasy AGE Companion
The Fantasy AGE Companion provides a plethora of new rules and play options for your Fantasy AGE roleplaying game campaign. This book expands upon the core Fantasy AGE rules and provides alternative game systems so that you can build rules and characters which fit any setting and game you desire.

Mutants and Masterminds RPG Freedom City Campaign City

release date: Feb 13, 2018
Mutants and Masterminds RPG Freedom City Campaign City
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," the award-winning Freedom City is a fully realized and detailed metropolis that can serve as a home base for your heroes or just one of the many places they visit while saving the world of Earth-Prime from disaster. Your heroes can fight the forces of SHADOW, puzzle out the schemes of the Labyrinth, and defeat the alien invaders Syzygy and the Meta-Grue. With dozens of foes and hundreds of locations, Freedom City gives you everything you need to run an exciting Mutants & Masterminds campaign.

Mutants and Masterminds Gamemaster's Kit, Revised Edition

release date: Feb 06, 2018
Mutants and Masterminds Gamemaster's Kit, Revised Edition
The Mutants & Masterminds Gamemaster''s Kit is a key accessory for your superhero campaign. It features a sturdy and practical 3-panel hardback screen with all the charts and tables you need to play the World''s Greatest Superhero RPG. The kit also includes 4 quick reference cards and a combat tracker that you can write on with wet or dry erase markers. The Mutants & Mastermind''s Gamemaster''s Kit is the perfect complement to the Deluxe Hero''s Handbook and will help you kick off your game with style. "Price Includes VAT"

Cosmic Handbook

release date: Dec 12, 2017
Cosmic Handbook
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 Handbook for the Mutants & Masterminds Superhero Roleplaying Game. This sourcebook looks at the universe beyond Earth, from the history of the cosmic in the comics to the conventions of cosmic stories and characters. In its pages you will find advice and rules for creating characters and adventures in the depths of space. GMs get ready-to-use villains, from space tyrants and aliens to nigh-omnipotent cosmic beings, and an expanded look at the universe of Freedom City and Emerald City beyond the bounds of Earth. Get ready, heroes, infinity awaits!

Icons Superpowered Roleplaying: the Assembled Edition

release date: Nov 28, 2017
Icons Superpowered Roleplaying: the Assembled Edition
Icons Superpowered Roleplaying is a tabletop game of superhero adventure that lets you devise stories of the imagination with your friends, based around the heroes you create. The new Assembled Edition revises and expands the original game, putting all options you want under one cover. Icons features quick character creation, a flexible game system that''s easy to learn, and flavorful rules to give your games that comic book feel. Icons is your all-in-one package for superhero roleplaying adventure: quick, easy, descriptive, and fun!

Blue Rose: RPG Narrator's Kit

release date: Aug 15, 2017

Power Profiles

release date: Aug 01, 2017
Power Profiles
The Mutants & Masterminds Superhero Roleplaying Game gives you all the tools you need to create the super powers you imagine. Power Profiles gives you those powers ... and more! In this book are more than thirty power types from Air and Armor to Water and Weather, each with some two dozen or more powers described and built in M & M game terms. That''s more than seven hundred different ready-to-use powers, all in one book! Power Profiles includes something for everyone. Think your ideal hero doesn''t have any powers? Think again: Power Profiles includes Luck Powers, Martial Powers, and Talent Powers, special abilities that could all be described as superior training or skill! You can find endless ideas for M & M heroes and villains just by turning the pages of Power Profiles and letting your imagination go, and you can point both new and experienced players to just the right section for the hero they want to play. Power Profiles includes new power options, extras, flaws, and variants to modify the basic power effects from the Hero''s Handbook, so you can create the powers you want. More than just powers, each profile also covers complications associated with those powers, to give your characters added depth and to help you earn hero points in play. Power Profiles refines and greatly expands the power options from Mutants & Masterminds, taking its basic effects and turning them into a wealth of options you can choose from. With this book, there''s no limit to your power!"--Publisher description.

Mutants & Masterminds

release date: Jul 11, 2017
Mutants & Masterminds
Since 2002, Mutants & Masterminds has earned its title as the World''s Greatest Superhero RPG, inspiring countless game sessions and winning many awards for excellence. The Mutants & Masterminds Deluxe Hero''s Handbook is the revised and expanded core rulebook of the game''s Third Edition, detailing everything you need to have your own superheroic adventures. The character creation system lets you make the hero you want to play, choosing from a wide range of skills, advantages, and power effects. Customize your hero''s powers with modifiers to create an almost endless range of superhuman abilities. The Deluxe Hero''s Handbook includes a Quickstart Character Generator and two brand-new adventures.

Atlas of Earth-Prime

release date: Jun 27, 2017
Atlas of Earth-Prime
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 Earth-Prime is a trip around the world of the Freedom City and Emerald City settings for the Mutants & Masterminds RPG. Your heroes can explore the sites and perils of all seven continents, as well as fabled Atlantis, the Lost World, and the strange realms of Sub-Terra that lie at the center of the earth. Packed with locations, heroes, villains, and worldwide agencies, the Atlas of Earth-Prime is the campaign setting book Mutants & Masterminds fans have been waiting for!
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