Close
Close
Narrow Results
 Follow Your Favorites!
NotificationsSign in to get custom notifications of new products!











GenreFormat
Sci-Fi   Remove Search Term
Hard Sci-Fi   Remove Search Term
PDF   Remove Search Term
Advanced Search >

 
 Hottest Hard Sci-Fi, PDF
 
 Hottest Community Hard Sci-Fi, PDF
 
 Newest Titles in This Section
 
 Newest Community Created Titles in This Section
Products found in this section... Sort by: 
 Title    Publisher    Price  
Cepheus Engine System Reference Document

Cepheus Engine System Reference Document


The Cepheus Engine System Reference Document comprises the core rules for a Classic Era Science Fiction 2D6-Based Open Gaming System. Inspired by the original three books of the oldest 2D6-based science fiction roleplaying game, the Cepheus Engine system incorporates elements of Open Game Content from previous releases of that game of intergalactic...   [click here for more]
Samardan Press  Pay What You Want

Add to RPGNow.com Order  
Dolphins Reimagined

Dolphins Reimagined


Let us suppose there was another intelligent species living beside man. Let us say it was fully sapient. Could this not be the humble and gregarious dolphin? Dolphins Reimagined is a short .pdf that is Pathfinder Compatible, and explores their possible sapience. The pdf includes: Dolphin evolution. Dolphin biology. Dolphin behavior. A full race write up using the rules in the Advanced...   [click here for more]
Elton Robb Games  $2.99

Add to RPGNow.com Order  
Amethyst: Quintessence (5E)

Amethyst: Quintessence (5E)


Compatible with the 5th edition (5E) of the first fantasy roleplaying game Which side will you choose? Which weapons will you wield? Earth is torn between the order of science and the chaos of fantasy. These two worlds cannot mix. Venture into lands once claimed by skyscrapers and factories, now overrun by elves, goblins, and dragons. Choose your path and commit to the quest. Monsters will hunt you;...   [click here for more]
Dias Ex Machina Games  $15.00 $11.26

Add to RPGNow.com Order  
Quantum Flux: Unique Superscience Artifacts

Quantum Flux: Unique Superscience Artifacts


With his second law, that “any sufficiently advanced technology is indistinguishable from magic,” Arthur C. Clarke articulated a concept that could have been a shadowy undercurrent in the wider consciousness for centuries, possibly even millennia. All the items in this book were designed with two ideas in mind: they were created using Ancient technology so advanced that it seems like magic...   [click here for more]
Skirmisher Publishing  $5.99

Add to RPGNow.com Order  
Hell Station Mine Outpost Map Set

Hell Station Mine Outpost Map Set


Hell Station is a mining outpost facilities on one of four different and included exterior top decks for a volcanic world, an ice planet, desert world, and ocean world. Beneath the top deck are 4 lower levels: warehouse, habitat for 100 persons, engineering and the mining level. These are huge maps that are sliced into large format (tabletop sized) pieces, and 135/85 page letter sized PDFs for home...   [click here for more]
Gamer Printshop  $4.99

Add to RPGNow.com Order  
Spaceship Map - Bullfrog Corvette

Spaceship Map - Bullfrog Corvette


I built this just as test to print onto a poster and put inside a frame for my own custom Space Crusade (board game or Warhammer 40k). The Bullfrog is made of 2 decks takign up the rear section of the ship. Supplied are the A1 sized PDF and JPG version (100dpi) with each square taking up 1 inch ...   [click here for more]
Graemation  Pay What You Want

Add to RPGNow.com Order  
Spaceship Map - Stealth Dropship

Spaceship Map - Stealth Dropship


I built this just as test to print onto a poster and put inside a frame for my own custom Space Crusade (board game or Warhammer 40k). Unfortunatlely it was a few inches to tall, but rather than just letting it go to waste, I thought I would make it available for people to use digitally, or print if you have a use and ability to make a 40"x26" map. Supplied are the PDF and JPG version...   [click here for more]
Graemation  Pay What You Want

Add to RPGNow.com Order  
Deep Dark Blue • A World of Adventure for Fate Core

Deep Dark Blue • A World of Adventure for Fate Core


Adventure awaits between the devil and the deep blue sea… In the near future, when most of the Earth’s land has been stripped of its resources, an intrepid few look to the depths of the oceans for energy and precious metals. This new frontier carries as many dangers as it does opportunities, including the crushing pressure, colossal squids, and ruthless tactics of your rivals...   [click here for more]
Evil Hat Productions, LLC  Pay What You Want

Add to RPGNow.com Order  
[WOIN] Building A Universe

[WOIN] Building A Universe


BUILD A SCIENCE-FICTION SETTING! This manual for the What's O.L.D. is N.E.W. roleplaying game system guides you though the process of designing a far-future game setting. With detailed rules for the creation of star systems, planets, civilizations, races, careers, monsters, and more, along with discussion on genre, theme, and technology, any GM should be able to create their own universe! ...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
Amethyst: Untamed - Player's Guide  (Savage Worlds)

Amethyst: Untamed - Player's Guide (Savage Worlds)


Which side will you choose? Which weapons will you wield? Earth is torn between the order of science and the chaos of fantasy. These two worlds cannot mix. Venture into lands once claimed by skyscrapers and factories, now overrun by elves, goblins, and dragons. Choose your path and commit to the quest. Monsters will hunt you; machines will track you. No gods will help you; no prophecies will choose...   [click here for more]
Dias Ex Machina Games  $9.99 $7.50

Add to RPGNow.com Order  
[WOIN] Elements of Magic

[WOIN] Elements of Magic


Master the Arts of Magic and Alchemy! Within this manual you will find the rules for spellcasting in the What's OLD is NEW roleplaying game system. Magic is an artform, like poetry, and any good poet is never content to merely recite the works of others. Create your own spells with the flexible spell-creation system, learning to evoke fire, create ice, abjure the undead, heal beasts,...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
[WOIN] Fantasy Core

[WOIN] Fantasy Core


RUN A FANTASY ADVENTURE! This is a WOIN Core Rulebook. It does not include character creation or equipment, which are found in other WOIN books. This manual contains the core rules of the What's O.L.D. is N.E.W. roleplaying game system, designed for a fantasy campaign. While other books tell you how to create a character or build a world, this book tells...   [click here for more]
EN Publishing  $5.99 $4.49

Add to RPGNow.com Order  
Mindjammer - The Roleplaying Game

Mindjammer - The Roleplaying Game


Grab your blaster, thoughtcast your orders to the starship sentience, and fire up the planing engines — come and defend the light of humanity’s greatest civilisation as it spreads to the stars! The ENnie Award-winning transhuman science-fiction RPG setting returns, in a new edition updated and massively expanded for the Fate Core rules. Mindjammer is an action-packed...   [click here for more]
Modiphius  $26.99 $20.24

Add to RPGNow.com Order  
[WOIN] Future Core

[WOIN] Future Core


RUN A SCI-FI EPIC! This is a WOIN Core Rulebook. It does not include character creation or equipment, which are found in other WOIN books. This manual contains the core rules of the What's O.L.D. is N.E.W. roleplaying game system, designed for a futuristic campaign. While other books tell you how to create a character or build a universe, this book tells...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
Headspace

Headspace


THIS FIGHT IS PERSONAL. Headspace is a Cyberpunk roleplaying game about hyper-competent operatives fighting personal battles against the Corporations controlling the world. These unlikely heroes regret the direct hand they had in making the world the dystopian place it is, so now they’re going to try and change the world. Alone, they wouldn’t stand a chance. But with Headspace,...   [click here for more]
Green Hat Designs  $10.00

Add to RPGNow.com Order  
Sufficiently Advanced, Second Edition

Sufficiently Advanced, Second Edition


Sufficiently Advanced is a transhuman roleplaying game of the far future. Humanity has been reconstructed by time and technology. Wield incredible technological enhancements and thousands of years of expertise, or the ability to mold the story of the game. Play a digital intelligence with remote-controlled robot drones, a diplomatic team that shares a group-mind, a soldier...   [click here for more]
Valent Games  Pay What You Want

Add to RPGNow.com Order  
Nova Praxis [Augmented PDF] [Fate]

Nova Praxis [Augmented PDF] [Fate]


See trailer and download a preview here! This is the PDF version of Nova Praxis, but it is not just a fully bookmarked and linked PDF version of the book. The Augmented PDF has gone through an entirely separate layout process, developed from the ground up to run on widescreen laptop screens and tablets. The Augmented PDF also features a number of navigational aids, allowing...   [click here for more]
Void Star Games  $14.99 $11.24

Add to RPGNow.com Order  
Event Horizon

Event Horizon


Event Horizon - A White Star Adventure Event Horizon is a 60-page first-level adventure for Barrel Rider Games’ White Star: White Box Science Fiction Roleplaying. This adventure takes place in a hard science/space horror genre and, as such, the adventure assumes that the players are playing human characters who would fit into this style of setting. While a low-level adventure,...   [click here for more]
d20pfsrd.com  $6.99

Add to RPGNow.com Order  
From the Ashes

From the Ashes


Death lurks among the stars, forever waiting for the unwary Player Character. From laser beams and bullets to the teeth of alien predators to the vacuum of space travel itself, death is, unfortunately, common in the far reaches of the cosmos. However, human (and alien) ingenuity pushes back at death and injury, with the constant progress of medicine. At high tech levels, deadly wounds and even death...   [click here for more]
Stellagama Publishing  $2.25 $1.69

Add to RPGNow.com Order  
Ultramodern4

Ultramodern4


The mission of U4 is to present 4th EDITION D&D rules for use in non-fantasy settings. These include pre-modern settings, contemporary settings, and those that are far flung fantastic and futuristic. U4 is perfectly suited for any of these following campaigns: Cyberpunk Espionage Modern warfare Space opera Technofantasy Urban fantasy Wild west, with or without aliens U4 has no included setting,...   [click here for more]
Dias Ex Machina Games  $13.99 $10.50

Add to RPGNow.com Order  
Rory's Drift

Rory's Drift


Rory's Drift is a Traveller one-shot scenario for 1-5 players. Designed to be played in a single session, the PCs find themselves recalled to duty by the Scouting service. It's time to go back to the Kellin system that was recently returned to the Imperium after the Aslan invasion. The party are reactivated by the Scouting service to make a preliminary investigation of the Scout base in Kellin. With...   [click here for more]
Felbrigg Herriot  $1.99 $1.49

Add to RPGNow.com Order  
Infinite Futures 2.0

Infinite Futures 2.0


Infinite Futures is a Science Fiction conversion for the Pathfinder RPG system, but its intention is not to follow any particular genre of Science Fiction but rather Infinite Futures provides all of the tools for creating an RPG campaign in many different types of Science Fiction genres. Everything you need is provided within the pages of Infinite Futures, new races, new classes, feats and skills....   [click here for more]
Avalon Game Company  $14.99 $11.24

Add to RPGNow.com Order  
RED AEGIS Roleplaying Game

RED AEGIS Roleplaying Game


A millennia-spanning, science fantasy tabletop roleplaying game from industry award-winning designers, Brian R. James and Matt James. RED AEGIS™ is a game about claiming your birthright, rallying loyal followers to your cause, and forging a dynasty that will thrive through the ages. The epic story of RED AEGIS is revealed over ten game sessions, where you command successive...   [click here for more]
Vorpal Games  $49.95 $19.95

Add to RPGNow.com Order  
Ship Book:Type A Free Trader

Ship Book:Type A Free Trader


The Type A free trader is a common classification for a myriad of similar specification vessels in use throughout the vast Third Imperium. This publication details probably the most common class of the Free Trader, the ubiquitous Beowulf class and two variants, the A-P and A-J2. It is neither a primer on the upkeep of the Beowulf Type A free trader nor a detailed tutorial on how to engage in trade...   [click here for more]
Moon Toad Publishing  $4.50

Add to RPGNow.com Order  
[WOIN] Future Equipment

[WOIN] Future Equipment


GEAR UP FOR ACTION! This manual includes a wide variety of weapons, armor, equipment, drugs, cybernetics, vehicles, and more for characters in the What's O.L.D. is N.E.W. roleplaying game system along with rules for upgrading and customizing gear. From subspace beacons, to gravbelts, to handlheld scanners; from sonic pistols to laser swords; from kevlar vests to powered armor; the equipment...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
The Void Core PDF

The Void Core PDF


This listing is for the PDF version of The Void Core. POD also available! The Stars Were Never Meant For Us 2159 AD. It is a good time to be alive. The nations of Earth still exist, but they have become more civilized, and humanity has expanded into the rest of our solar system. But, alas, it is not to be our time. Something...   [click here for more]
WildFire  Pay What You Want

Add to RPGNow.com Order  
Rapture: The End of Days.   Theological Sci-Fi Horror Core Rules

Rapture: The End of Days. Theological Sci-Fi Horror Core Rules


RAPTURE The End of Days... is just the beginning. The year is 2644. Humanity has cast off religion and mi­grated to the stars. With science as the new savior, man­kind believed himself to be creating new Edens in the far flung heavens. But God kept His promise. The day of Rapture came. Those who walked the Earth with a righteous spirit and pure soul were taken into the loving...   [click here for more]
StoryWeaver  $14.95

Add to RPGNow.com Order  
Three Sixteen

Three Sixteen


ENnie Awards Nominee | "Out-Verhoevens Verhoeven" - Robin D. Laws   3:16 is about Troopers killing things, wiping out civilizations, all across the Cosmos. This high-octane Science Fiction RPG designed by Gregor Hutton ("the best RPG designer in the UK today." - James Wallis) is a winner of a High Ronny Award for Games Design....   [click here for more]
BoxNinja  $10.00

Add to RPGNow.com Order  
T5 Traveller5 Core Rules Book (759 pages)

T5 Traveller5 Core Rules Book (759 pages)


Traveller5 Traveller The Traveller Science-Fiction Role-Playing Game System, Fifth Edition The Core Rules for the fabled 5th edition of the Traveller science-fiction role-playing game. The best-selling kickstarter project from Marc Miller, replete with Character Generation for 13 careers, plus rules for non-human aliens (we call them sophonts), clones, chimeras, androids, robots, synthetics,...   [click here for more]
Game Designers' Workshop (GDW)  $75.00 $34.95

Add to RPGNow.com Order  
World Creator's Handbook

World Creator's Handbook


'Build Better Worlds' The World Creator's Handbook provides advice and resources for any Traveller referee wanting to flesh out the bones of a Universal World Profile (UWP). Turn a random string of numbers into a memorable and exciting scenario setting. The need to interpret the UWP data and fill in the blanks, has no doubt dissuaded many Traveller referees from creating...   [click here for more]
Zozer Games  $4.99

Add to RPGNow.com Order  
[WOIN] Fantasy Equipment

[WOIN] Fantasy Equipment


Strap on your armor and sharpen your sword! This manual includes a wide variety of weapons, armor, equipment, herbs, mounts, magic items, and more for characters in the What's O.L.D. is N.E.W. roleplaying game system, along with rules for enchanting and customizing gear. From 10-foot poles to herbalists kits to ear trumpets; from crossbows to muskets to longswords; from ringmail...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
[WOIN] Space

[WOIN] Space


BLAST INTO SPACE This book requires the use of a What’s O.L.D. is N.E.W. core rulebook. This sourcebook for the What’s O.L.D. is N.E.W. roleplaying game system contains information on space and starship operations. Astronomical information - scale, stars, spectral classifications, unusual stars, black holes, rogue planets, nebulae,...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
SciFi20 Player's Guidebook

SciFi20 Player's Guidebook


The SciFi20 Player's Guidebook (Book 1) This volume covers everything you need to know about creating and developing your characters. Within you will find details for 16 different possible character classes, as well as a detailed 'Prior History' system that allows you to more easily flesh out the background of your characters while also providing them with real previous experience. Also presented...   [click here for more]
QuikLink Interactive, Inc.  $10.00 $6.00

Add to RPGNow.com Order  
Ship Book:A2L Far Trader

Ship Book:A2L Far Trader


The A2 Far Trader; a common classification for a myriad of similar specification vessels in use throughout the vast Third Imperium. Perhaps the most recognisable far trader design, the Empress Marava and the Jayhawk class provide the basis for a bigger and more capable class of far trader, the A2L and the A3L.This publication provides details for these new far trader designs. Contains: A Description...   [click here for more]
Moon Toad Publishing  $5.90

Add to RPGNow.com Order  
Shadows Over Sol: Shiny New Toys

Shadows Over Sol: Shiny New Toys


What would science fiction be without fantastic technologies or life-changing discoveries? What would it be without climactic spaceship battles or tense standoffs? Shadows Over Sol: Shiny New Toys is here to help tell these stories, with new weapons, new gear and rules for vehicular confrontation! Shadows Over Sol: Shiny New Toys is a key supplement...   [click here for more]
Tab Creations  $4.99 $3.74

Add to RPGNow.com Order  
Nova Praxis: Savage Worlds Edition

Nova Praxis: Savage Worlds Edition


The PDF version of Nova Praxis: Savage Worlds Edition is fully bookmarked and linked. Things have changed. We have changed. Earth is lost to us, but even in the aftermath of this terrible tragedy, we grow, evolve, and even prosper. We have witnessed the death of our mother and the birth of a new era. In what might have been...   [click here for more]
Void Star Games  $9.99 $7.49

Add to RPGNow.com Order  
The Motherload

The Motherload


The Motherload is a Traveller one-shot scenario for 1-5 players. Designed to be played in a single session, the PCs find themselves working beneath the surface of a far flung asteroid. Cold-Rock is god forsaken place, but beneath the surface are riches to be mined. When the crew strike the motherload they encounter more than just minerals. Instead they discover an alien horror that spreads like a...   [click here for more]
Felbrigg Herriot  $1.99 $1.49

Add to RPGNow.com Order  
Camp Cretaceous

Camp Cretaceous


Camp Cretaceous is a game designed to be played with children. It takes characters back into the Cretaceous period where they carry out perilous missions in their attempts to study dinosaurs in their natural environment. Players not only have to overcome natural obstacles, hungry dinosaurs, puzzles and problems, but must do so in an environment without the comforting presence of weaponry. The...   [click here for more]
Zozer Games  $7.99

Add to RPGNow.com Order  
Sleeper: Orphans of the Cold War - Expansion - Wayward Sons

Sleeper: Orphans of the Cold War - Expansion - Wayward Sons


This expansion contains everything players and Games Masters need to feature the Wayward Sons, including new agent powers, new signature characters, character sheets, and the full background of the Wayward Sons project. Will they serve as devoted allies of Obsidian, or as a deadly threat to the world they were created to rebuild? ...   [click here for more]
Death Spiral  $3.92

Add to RPGNow.com Order  
[WOIN] Fantasy Careers

[WOIN] Fantasy Careers


CREATE A MEDIEVAL FANTASY CHARACTER! Create knights, burglars, mages, musketeers, and berserkers in this sourcebook for the What's O.L.D. is N.E.W. roleplaying game system. With over 40 careers, 7 races, and a wide selection of skills, traits, and exploits, this book walks you through the character creation process. Select your character's early careers...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
Historical Ships of Clement Sector 1: Trent-class Destroyer 2nd Edition (OGL)

Historical Ships of Clement Sector 1: Trent-class Destroyer 2nd Edition (OGL)


Gypsy Knights Games is proud to present the first in a line of products dedicated to the great ships of the Clement Sector setting's past. The Trent-class destroyer is a reaction drive vessel used by the United States Space Navy in the early days of colonization into Clement Sector. The 1500-tonne destroyer was launched in 2185 to provide security and to protect the United States' fledgling...   [click here for more]
Gypsy Knights Games  $4.99 $3.74

Add to RPGNow.com Order  
[WOIN] Future Careers

[WOIN] Future Careers


CREATE A SCIENCE FICTION CHARACTER! Create soldiers, bounty hunters, engineers, doctors, traders, and starship captains in this sourcebook for the What's O.L.D. is N.E.W. roleplaying game system. With over 60 careers, 7 species, and a wide selection of skills, traits, and exploits, this book walks you through the character creation process. Select your character's...   [click here for more]
EN Publishing  $6.99 $5.24

Add to RPGNow.com Order  
[WOIN] Starship Construction Manual

[WOIN] Starship Construction Manual


BECOME A STARSHIP ENGINEER This book requires the use of a What’s O.L.D. is N.E.W. core rulebook. It is fully compatible with the starship combat rules found in other WOIN products. The Starship Construction Manual enables you to design, build, and customize starships for use with the What’s O.L.D. is N.E.W. roleplaying game....   [click here for more]
EN Publishing  $7.99 $5.99

Add to RPGNow.com Order  
Amethyst - Hearts of Chaos (5E)

Amethyst - Hearts of Chaos (5E)


Compatible with 5th Edition FULL COLOR! Remastered with new content and updated rules! Amethyst is a Role Playing Game presenting a world where a true-to-book fantasy setting is forced upon our real world. How would humanity respond? This is not some stylized view of Earth seen in books and on TV. It’s a world with all the problems, both social and political, intact....   [click here for more]
Dias Ex Machina Games  $4.99 $3.74

Add to RPGNow.com Order  
Wolverine class Marine Assault Transport Deck Plans

Wolverine class Marine Assault Transport Deck Plans


The Wolverine class Marine Assault Transport Star Ship is capable of deployment a full company of 120 marines as infantry, drop pod troops and carried aboard Badger class G/Carrier hover tanks to planetary assaults, base incursions and other military actions. Although small missions might only require a single Wolverine class transport, many will be accompanied by dozens of Wolverines supported by...   [click here for more]
Gamer Printshop  $2.99

Add to RPGNow.com Order  
Infinite Futures

Infinite Futures


Infinite Futures is a Sci-Fi RPG geared to allow you to play any sort of Sci-Fi genre or game. Built from the Pathfinder game system, you will find that IF is a great game, fully detailed with a loads of great races and classes as wells as skills and feats to make any Sci-Fi game a joy to play. Prolog: What’s in a name? Well, first I should explain that first we tried about half a dozen...   [click here for more]
Avalon Game Company  $9.99 $7.49

Add to RPGNow.com Order  
Ship Book:Type S Scout/Courier

Ship Book:Type S Scout/Courier


Standard Imperial classification for a small starship purposed specifically for use within the Imperial interstellar Scout Service or operated by detached scouts of said service. These ships are typically of one hundred displacement tonnes and capable of a two parsec jump. Source: A Guide for Interstellar Ships within the Third Imperium, Consolidated Press of Regina 1101. The Type...   [click here for more]
Moon Toad Publishing  $6.49

Add to RPGNow.com Order  
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

Add to RPGNow.com Order  
The Void – Vessels of the Void: Spaceships

The Void – Vessels of the Void: Spaceships


Out in the Dark “Space was background noise to most people these days. No one really thought about the vast spaces in between, other than as time stuck inside a metal can. Marcus could never get over it. The vastness of the void presented infinite possibilities. Some of those possibilities were inspiring. Some, as he knew, were terrifying. He stared out the porthole, drinking...   [click here for more]
WildFire  $9.99

Add to RPGNow.com Order  
The Ghost Fleet - A Edge of Space Suppliment

The Ghost Fleet - A Edge of Space Suppliment


During the Confederation Wars the Madeiran Union was one of the fiercest and most mysterious sides of the conflict. Striking from uncharted space at random vectors the Madeirans never seemed to be at a loss for ships, supplies, or men. Even now nearly thirty years after the founding of the Confederation the Madeiran Union is still talked about with an air once reserved...   [click here for more]
Genius Loci Games  Pay What You Want

Add to RPGNow.com Order  
Displaying 1 to 50 (of 1498 items) Result Pages:  1  2  3  4  5  6  7  8  9 ...  [Next >>] 
Select Page Number