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 Hottest Game Master Rule Guides, Hard Sci-Fi
 
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Esper Genesis 5E Sci-fi -  Core Manual

Esper Genesis 5E Sci-fi - Core Manual


"This is not a game that wants to be the property-of-your-choice, it’s a game that embraces sci-fi’s adventurous side. It is sci-fi with room for excitement and wonder. And 5E proves an excellent match for this, since EG’s relationship to sci-fi is much like 5E’s relationship to fantasy - it is part of the landscape, but the first priority is to play a game." —...   [click here for more]
Alligator Alley Entertainment  $49.95 $24.95

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Alternity Core Rulebook

Alternity Core Rulebook


Strange new worlds and deadly aliens? Mercenaries for hire? Post-apocalyptic survival? Explore your favorite visions of sci-fi adventure in the new Alternity Science Fiction Roleplaying Game from Sasquatch Game Studio. Alternity is a sci-fi roleplaying game system suitable for a wide range of genres. Designed with modularity in mind, Alternity campaigns can be set across the spectrum of sci-fi...   [click here for more]
Sasquatch Game Studio  $19.95

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Starjammer: Core Rules

Starjammer: Core Rules


Welcome to the Void. Welcome to Starjammer! Some people look to the stars and wonder what they are, what they mean, and what is out there. Your characters are about to find out. Welcome to Starjammer, a wild ride through the void built upon and compatible with the Pathfinder Roleplaying Game. This tome is over 200 pages of star-exploring options, including: Four new player character...   [click here for more]
d20pfsrd.com  $14.95 $11.21

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The GM's Planet-Building Handbook

The GM's Planet-Building Handbook


So, your sci-fi RPG campaign is going to span vast volumes of space and introduce new alien races from an exotic medley of planets. But just what are those planets like? This handbook will allow you to design realistic planets capable of bearing human (or human-like) life. Guidance is given on: Host star Planet orbit Planet size Axial tilt Moons Planet rotation Magnetosphere Geological activity Atmosphere Hydrosphere Climate Plus,...   [click here for more]
Draken Games  $3.95

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Seven Worlds Setting Guide

Seven Worlds Setting Guide


In the year 2217 Humanity's greatest achievement is the colonization of the nearby star systems now known as the Seven Worlds. Here Humanity lives, thrives, and prepares the next great wave of space exploration. The Seven Worlds. This is the story of how we lost them, and of the heroes who tried to avert their fall. An Epic realistic Science-Fiction Setting and Campaign...   [click here for more]
Intellistories  $19.99

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Machinations: The Nova Praxis GM's Companion [FATE]

Machinations: The Nova Praxis GM's Companion [FATE]


Machinations expands upon the Nova Praxis setting, delving deeper into the Coalition and Houses while also introducing several new factions. Machinations also offers new gameplay options, campaign advice, campaign examples, and a ready to run introductory scenario. This GM's companion is littered with plot hooks and inspiration for new and experienced Nova Praxis GMs. Machinations...   [click here for more]
Void Star Studios  $19.99 $8.99

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Starjammer: Medical Marvels

Starjammer: Medical Marvels


The Void is brighter with digital eyes! Welcome to Starjammer: Medical Marvels! Where does a person in the Void have to go to get the latest and greatest in upgrades? Anywhere that will take your COMET credit bracelet, that’s where! Not all upgrades or pharmaceuticals are legal so it pays to know where to go, and what you will be buying. Welcome to Starjammer: Medical Marvels. Contained in...   [click here for more]
d20pfsrd.com  $4.95 $3.71

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Starjammer: Core Rules (Starfinder Edition)

Starjammer: Core Rules (Starfinder Edition)


Starjammer Core Rulebook - Starfinder Edition Some people look to the stars and wonder what they are, what they mean, and what is out there. Your characters are about to find out. Welcome to Starjammer, a wild ride through the void built upon and compatible with the Starfinder Roleplaying Game. This tome is over 150 pages of star-exploring options, all compatible with the Starfinder Roleplaying...   [click here for more]
d20pfsrd.com  $14.95 $11.21

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Chaos Cypher System NPC and Creature Generator

Chaos Cypher System NPC and Creature Generator


The Chaos Cypher System NPC and Creature Generator has been developed to enable fans of the Cypher System to create fully fleshed out NPCs and creatures for use in their campaigns and adventures. It covers everything from just establishing a level and a profession, all the way up to their motivations, traits, natural environment, name and combat, if that’s what’s required. It also...   [click here for more]
Realmweaver Games  $5.00

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Starjammer: Races of the Void Book One (Starfinder Edition)

Starjammer: Races of the Void Book One (Starfinder Edition)


Starjammer - Races of the Void Book One (Starfinder Edition) Race for Supremacy! The adventure begins with new races from Starjammer: Races of the Void. Explore the universe as a member of the proud and strong bisoni, or as the strange, telepathic floating aberrations known as aurellians. Or perhaps you'd like to go deep-sea diving using diving equipment built right into your shell as a long-lived...   [click here for more]
d20pfsrd.com  $4.95 $3.71

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Starjammer: Races of the Void Book One

Starjammer: Races of the Void Book One


Starjammer - Races of the Void Book One Race for Supremacy! The adventure begins with new races from Starjammer: Races of the Void. Explore the universe as a member of the proud and strong bisoni, or as the strange, telepathic floating aberrationsknown as aurellians. Or perhaps youd like to go deep-sea diving using diving equipment built right into your shell as...   [click here for more]
d20pfsrd.com  $4.95 $3.71

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Seven Worlds Campaign Modules Subscription

Seven Worlds Campaign Modules Subscription


In the year 2217 Humanity's greatest achievement is the colonization of the nearby star systems now known as the Seven Worlds. Here Humanity lives, thrives, and prepares the next great wave of space exploration. The Seven Worlds. This is the story of how we lost them, and of the heroes who tried to avert their fall. An Epic realistic Science-Fiction Setting and Campaign...   [click here for more]
Intellistories  $34.99

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Ghosts in Darkness

Ghosts in Darkness


Ghosts in Darkness is an introductory scenerios designed to provide a starting point for new campaigns. It is meant to introduce the GM and players to the primary elements of the Nova Praxis setting while also setting up a chilling villain that can haunt the PCs for years to come. Missing and presumed dead, the PC's minds are restored from backup. They awake with no memory of what happened...   [click here for more]
Void Star Studios  $4.99

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SciFi20 Planetology Guide

SciFi20 Planetology Guide


The SciFi20 Planetology Guide (Book 4) The final volume of the core SciFi20 rules, the Planetary Guide provides you all of the tools to build your custom universe starting with generating a star map, moving on to determining the details of each individual star system, and finally generating the core details of any planet or moon to be found. This volume also includes all the rules needed for...   [click here for more]
QuikLink Interactive, Inc.  $12.00 $8.00

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SciFi20 Design Manual

SciFi20 Design Manual


The SciFi20 Design Manual (Book 3) This volume of the series has you covered when it comes to detailed rules for designing and contruction robots, vehicles, and starships; anything from the tiniest of servant robots to gravitic air/rafts to million-ton warships. Power your starships with hyper drives, warp drives, jump drives, and other possibilities! The books in this series comprise...   [click here for more]
QuikLink Interactive, Inc.  $12.00 $8.00

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Terran Empire: Adventures in Imperial Space

Terran Empire: Adventures in Imperial Space


Terran Empire chronicles the history and adventures of Humanity from 2400 to 2700. After narowly defeating the terrifying Xenovores, Humans reunite under the banner of the Empire and soon rule nearly one fifth of the Galaxy. But power corrupts, and eventually the Empire declines into oppression and tyranny, forcing rebel heroes to band together to overthrow it. Terran Empire includes:...   [click here for more]
Hero Games  $10.00

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Blue Planet v2 Moderator's Guide

Blue Planet v2 Moderator's Guide


WELCOME TO POSEIDON, 2199AD Prepare for a compelling journey into humanity's future on a distant planet where life is hard and dying is easy. A world where GEO Marshals enforce the peace and wired mercs patrol deep waters in deadly fighter subs. A place where corporate greed and human desperation ravage an alien ecology, threatening to plunge humanity into a war of survival with an alien legacy....   [click here for more]
Biohazard Games  $27.95 $13.95

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Seven Worlds GM Screen

Seven Worlds GM Screen


In the year 2217 Humanity's greatest achievement is the colonization of the nearby star systems now known as the Seven Worlds. Here Humanity lives, thrives, and prepares the next great wave of space exploration. The Seven Worlds. This is the story of how we lost them, and of the heroes who tried to avert their fall. An Epic realistic Science-Fiction Setting and Campaign...   [click here for more]
Intellistories  $4.99

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Falling Stars - Core RPG Manual v1.5

Falling Stars - Core RPG Manual v1.5


Welcome to theFalling Stars Roleplaying & Tactical Game System. This book describes a world for you, the players and Game Master, to build and tell your own stories in. Within the pages of this book, you will find details about the future in which the game takes place. Fifty years after the first contact, the human race is beset by deadly machinations of several human factions...   [click here for more]
Lock 'n Load Publishing  $49.99 $24.99

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Sixty Mile Sky

Sixty Mile Sky


Sixty Mile Sky is a game designed to create unique problems, provide players with interesting, story-based tools, all while revolving around a story-driven narrative. This table-top RPG is designed to create both gritty, street level mysteries, and cascading space opera. Pilot giant robots, fast talk your way through dangerous markets, use powers that few understand, and even less control. ...   [click here for more]
Benjamin Ian Arndt  $15.00

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Liberty: AFTER Core Rules

Liberty: AFTER Core Rules


On a distant planet, two worlds are at odds with one another. On one side of the wall the advanced military state of the undying Archon controls the lives of its Citizens, and on the other side post-apocalyptic gangs battle for the scant few resources the failing colony has left to offer. Will you venture through the old mining tunnels to raid the Archon's holdings or join her undercover agents on...   [click here for more]
John Dossinger Publishing  $15.00

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Subjugate

Subjugate


You may use the Subjugate setting with any rule set that you like or with the one provided within. Subjugate is a game of brutal politics and survival in our own solar system. Set in the year 2165 man kind pushes the limits of its technology teetering on the edge of the Fusion age and next age of human advancement. In 2035, man kind waged war, Nations fell, millions died. The threat of nuclear...   [click here for more]
Cgritts  $3.00

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Fading Suns, Guía del Director (edición revisada de 2014, español)

Fading Suns, Guía del Director (edición revisada de 2014, español)


En el amanecer del sexto milenio, un Emperador ha reclamado el Trono del Fénix y ha unificado los Mundos Conocidos tras tres décadas de guerra civil interestelar. Aun así, la paz es precaria y muchas fuerzas amenazan al naciente Imperio: nobles ambiciosos que luchan por aumentar su poder, mercaderes codiciosos que acumulan riquezas, sacerdotes sedientos de poder que sueñan...   [click here for more]
Ediciones Epicismo  $22.46

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Far Avalon Bundle [BUNDLE]

Far Avalon Bundle [BUNDLE]


This special bundle product contains the following titles. Far Avalon, Book 1, Background and Spacecraft Regular price: $7.99 Bundle price: $6.85 Format: PDF Far Avalon Book 1: Background and Spacecraft Far from the Home Worlds, the Far Avalon region was for many years an underdeveloped backwater. Now, it may be the only enclave of humans left in...   [click here for more]
Avalon Game Company  $20.97 $17.97

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SciFi20 Core Rules w/Screen [BUNDLE]

SciFi20 Core Rules w/Screen [BUNDLE]


This special bundle product contains the following titles. SciFi20 Combat Manual Regular price: $6.00 Bundle price: $5.09 Format: Watermarked PDF The SciFi20 Combat Manual (Book 2) This volume covers everything you need to know about handling combat between characters, creatures, vehicles, or even starships! Unlike previous versions of these rules, this...   [click here for more]
QuikLink Interactive, Inc.  $33.00

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SciFi20 Core Rules [BUNDLE]

SciFi20 Core Rules [BUNDLE]


This special bundle product contains the following titles. SciFi20 Combat Manual Regular price: $6.00 Bundle price: $4.93 Format: Watermarked PDF The SciFi20 Combat Manual (Book 2) This volume covers everything you need to know about handling combat between characters, creatures, vehicles, or even starships! Unlike previous versions of these rules, this...   [click here for more]
QuikLink Interactive, Inc.  $28.00 $23.00

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Seven Worlds pre-gen character: Amblin

Seven Worlds pre-gen character: Amblin


Meet Amblin, the newest iconic character for Seven Worlds! This proud Martian was the best explorer in human space until the fateful mission when her entire team mysteriously died, leaving her in a cryogenic emergency capsule for twenty years. Can this 67-year-old crippled "relic from another time", as she is disdainfully called, now rise above her challenges and show the...   [click here for more]
Intellistories   FREE 

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Seven Worlds pre-gen character: Takumi

Seven Worlds pre-gen character: Takumi


Meet Takumi, the newest iconic character for Seven Worlds! The brightest medical mind in the Seven Worlds may be an unhinged mind as well… but hey, seeing visions of horrifying monsters invading your planet will do that to you. Are these the ravings of an unhinged mind, or a psionic prophecy of the future? This free download contains the full biography and background...   [click here for more]
Intellistories   FREE 

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Кориолис. Третий Горизонт

Кориолис. Третий Горизонт


«Кориолис» — это перевод шведской настольной ролевой игры в жанре научной фантастики. Действие происходит в далёком звёздном скоплении, которое называется Третьим Горизонтом. Конфликты и войны раздирают его на...   [click here for more]
Studio 101  $26.21 $8.90

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