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Find yourself entangled in a plot of murder and politics with The Assassin’s Four. This 15-page adventure by Alison Cybe has your group aiding the Bottle Street gang and involving themselves in an assassination plot, complicated by political and personal motivations. Can they prevent the schemes of one of Dunwall’s distinguished aristocrats, or will they too fall prey to the alure of the lofty... [click here for more] |
Modiphius |
$6.00 $4.20
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Foil a Bizarre Alien Experiment!
Welcome to Operation Ultimatum, a one-hour introductory mission to help showcase Achtung! Cthulhu and the 2d20 system. Whether you’re new to roleplaying games, or just new to the rip-roaring pulp adventures of the Secret War, this mission has been specially designed to be fun and accessible— and provide the perfect introduction... [click here for more] |
Modiphius |
FREE
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ALL IS NOT WELL ON THE DISTANT WORLD OF EVERA PRIME
Cut off from Earth centuries ago by a calamitous event, the residents of the colony-world of Evera Prime have not only survived in the wake of the apocalypse thrust upon them - but have found ways to thrive. Colourful communities filled with vibrant and hopeful peoples have blossomed amidst the wreckage of a hyper-advanced world... [click here for more] |
Modiphius |
$19.58
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FREE form-fillable character sheet to record your character’s journey, for use with Dreams and Machines 2d20 roleplaying game.
Dreams and Machines collide in a far future where its people come together to rebuild, the ultimate tale of hope and heroism in the shadow of the Wakers. Danger grows and the world is once more under threat. Do you dare to dream?
A vast distance from... [click here for more] |
Modiphius |
FREE
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"I must admit that cold shivers played along my spine and the short hairs at the base of my head stiffened and rose up, as do those upon a hound's neck when in the night his eyes see those uncanny things which are hidden from the sight of man."
Edgar Rice Burrough’s John Carter of Mars: Phantoms of Mars provides you with a new, unique campaign for the John Carter of Mars: Adventures on... [click here for more] |
Modiphius |
$17.00 $8.50
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THESE ARE THE VOYAGES OF THE STARSHIP ENTERPRISE, ITS FIVE-YEAR MISSION, TO EXPLORE STRANGE NEW WORLDS, SEEK OUT NEW LIFE AND NEW CIVILIZATIONS, TO BOLDLY GO WHERE NO ONE HAS GONE BEFORE…
Star Trek Adventures takes you to the final frontier of the Galaxy, where new discoveries await the keen explorers of Starfleet. Your duties may take you to the edges of known... [click here for more] |
Modiphius |
$23.00 $11.50
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A TALL SHIP
“MY FRIENDS…WE’VE COME HOME.” – CAPTAIN JAMES T. KIRK
The Utopia Planitia Starfleet Sourcebook for the Star Trek Adventures roleplaying game presents a wealth of information centered around Starfleet operations and a complete guide to constructing Federation starships, space stations, and small craft, either using existing spaceframes or creating your own.
From the 21st... [click here for more] |
Modiphius |
$18.00 $9.00
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RESPOND TO A DISTRESS SIGNAL ON ZETA GRUIS VII
"Captain’s Log, Stardate 42802.3. We have diverted to the Zeta Gruis system in response to a distresscall from its seventh planet. Previous surveys have shown the planet to be uninhabited, abandoned by its native civilization as its star swelled into a red giant. The distress call appears to come from a city in the southern polar regions, still cool... [click here for more] |
Modiphius |
$4.99 $3.49
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Action, diplomacy and adventure on a world riven by factional strife
"STARDATE 48326.3, our mission is to proceed to the Federation protectorate world of Tolen IV to help mediate a disagreement between two rival factions.
"The government of Tolen IV wishes to remain under the Federation’s protection, with the hopes of joining as a member world later. Their opposition wishes for Tolen... [click here for more] |
Modiphius |
$4.99 $3.49
|
CLASSIC STAR TREK MYSTERY AND ADVENTURE IN THE ARACHNID NEBULA
"Captain’s Log, Stardate 3629.2. We have received an emergency distress call sent by the laboratory ship, Sirius. Reporting that it has suffered significant engine and power trauma, the results have left the ship crippled near the Arachnid Nebula, which it had been studying for several weeks. We are now en route... [click here for more] |
Modiphius |
$4.99 $3.49
|
HOME, SWEET HOME
WE ARE ALL EXPLORERS DRIVEN TO KNOW WHAT'S OVER THE HORIZON, WHAT'S BEYOND OUR OWN SHORES.
The Alpha Quadrant Sourcebook provides Gamemasters and Players with a wealth of information to aid in playing or running adventures set within the Star Trek universe.
The Alpha Quadrant Sourcebook contains: ... [click here for more] |
Modiphius |
$8.00 $5.60
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THROUGH THE WORMHOLE…....LET’S JUST SAY IF YOU WANT TO DO BUSINESS IN THE GAMMA QUADRANT, YOU HAVE TO DO BUSINESS WITH THE DOMINION. -- ZYREE, DOSI TRADER
The Gamma Quadrant Sourcebook provides Gamemasters and Players with a wealth of information to aid in playing characters or running adventures set within the ever-expanding Star Trek universe.... [click here for more] |
Modiphius |
$16.00 $8.00
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THE RIGHT TOOLS FOR THE JOB
“Then we’re dealing with more than one creature, despite your tricorder readings.”
– Captain James T. Kirk
From its inception, Star Trek™ has illustrated humanity and its allies and adversaries exploring the Galaxy with a wide variety of tools and technologies at their disposal. From tricorders to phasers, deflector... [click here for more] |
Modiphius |
$18.00
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ENGAGE IN STAR TREK ADVENTURES ROLEPLAYING
The Star Trek Adventures Print and Play Starter Set takes you to the final frontier of the Galaxy, with everything you need to begin playing the tabletop roleplaying game with a set of black and white PDFs that you can print at home!
The Print and Play Starter Set contains:
Starter Rules: Giving you an overview of... [click here for more] |
Modiphius |
$11.00
|
This handsome PDF Gamemaster Screen contains four portrait-oriented panels, with stunning artwork from Boris Martsev featuring heroes of the Secret War like Professor Richard Deadman, Ariane Dubois, Sgt Brandon Carter, and an array of evil Black Sun and Nachtwölfe villains they’re battling.
The interior features useful tables and charts from the core rulebook, as well as quick references... [click here for more] |
Modiphius |
$18.00 $12.60
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Face the malevolent menace of the Mi-Go!
As summer bleeds into autumn in 1940, the Battle of Britain rages over England’s southern skies. As the RAF’s Spitfires and Hurricanes struggle to contain the might of the Luftwaffe’s daily raids, an unusual discovery at a remote Scottish site catches Section M’s eye.
A valuable cache of Blauer Kristall or Blue Crystal... [click here for more] |
Modiphius |
$7.00
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Play ball on the Field of Screams!
Even the bravest of agents need some well-deserved rest and recreation. Amid the stress and strains of fighting the Secret War, your agents find themselves enjoying a rare moment of downtime in Rockford, Illinois.
A small town typical of middle America’s heartland, nothing exciting ever usually happens in Rockford, but this Saturday it plays host to the Kenosha... [click here for more] |
Modiphius |
$7.00
|

Ruins of Paradise, The City of Sighs
Almost thirty miles wide, the city of Emerta dominates the Emerta-Valo region of Evera Prime. Built as a technologically advanced paradise by the Everans of old, every aspect of the city’s design was intended to be perfect: from its pristine and clear spaces, and its beautiful boulevards, to its towering buildings and idyllic homes – life in... [click here for more] |
Modiphius |
$19.28
|
"The men tell strange stories of you, Paul. They say you've all the powers of the legend -- nothing can be hidden from you, that you see where others cannot see."
The Imperium is a place of mystery, and only Shai Hulud truly understands the shifting the tides of the desert sand. Protect your secrets with the official Dune: Adventures in the Imperium PDF Gamemaster's Screen,... [click here for more] |
Modiphius |
$21.00 $14.70
|
We are the Combined Army, Conquest is our purpose and none will stop us.
From the darkest reaches of the galaxy, an implacable tyrant looms slowly and inexorably, searching for intelligent races, studying them, contacting them, and ultimately absorbing them. Behold the Evolved Intelligence, an alien virtual entity bent on achieving the godlike state known as Transcendence. To reach its objective, the... [click here for more] |
Modiphius |
$11.00
|
WAR! WHAT IS IT GOOD FOR? CASH, CASH MONEY!
Soldiers of fortune, bodyguards, pirates, cut-throats, and heroes. The worst villains and the greatest heroes of the G5 can all be found in this great melting pot of freelancing warriors. From the flickering bulbs of Novyy Bangkok’s fighting pits to the luxuriant skyscrapers of San Pietro, there is always someone willing to pay for their problems to be... [click here for more] |
Modiphius |
$13.00
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WELCOME TO PARADISE
We have fun, games and the bloodiest war in the Human Sphere! One of the most fertile planets known, living in this angry planet is a test for the hardiest settlers and warriors. Keep your wits about you or the jungle, its inhabitants or something worse will swallow you whole in an instant.
Hiding a tragic and terrible past, Paradiso is home to dark secrets and... [click here for more] |
Modiphius |
$13.00
|
In Shadow Affairs, the brutality of the alien’s invading forces is only matched by the cynicism of the Human Sphere’s powers and hubris, placing the international base of Libra 5 in dire danger. Composed of units from the best and worst humanity can provide, the players will have to join this eclectic base and try to work it into a competent force before their enemy decides to interfere.
The... [click here for more] |
Modiphius |
$14.00
|
This is the Tohaa Trinomial, the most noble empire in existence! Welcome, friend. Everything we do, we do to reach Exaltation. Anything else is unimportant! We are the children of Unification, standing together and sailing through the stars, colonizing planets and bringing their wealth of knowledge to the less sophisticated. Sharing our knowledge where possible and destroying those who would oppose... [click here for more] |
Modiphius |
$13.00
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ORDER AND UNITY
Yu Jing. The StateEmpire. Governed by the Party and policed by the Emperor, the balance of the two makes this powerful G5 nation greater than the sum of its parts. Late as they were to the great space race that led to humanity proliferating amongst the stars, the people of Yu Jing have worked doubly hard to ensure they step beyond the long shadow of their nearest... [click here for more] |
Modiphius |
$11.00
|
Edgar Rice Burroughs’ John Carter of Mars: Dotar Sojat Era Supplemental Rulebook provides you with an in depth look at the Dotar Sojat era of play for the John Carter of Mars: Adventures on the Dying World of Barsoom roleplaying game.
Narrator advice on using the themes and tone of the era and the plots of A Princess of Mars to create exciting Dotar Sojat era campaigns.
New character options for... [click here for more] |
Modiphius |
$20.00 $10.00
|
Edgar Rice Burroughs’ John Carter of Mars: Jeddak of Jeddaks Era Supplemental Rulebook provides you with an in depth look at the later eras of play for the John Carter of Mars: Adventures on the Dying World of Barsoom roleplaying game.
- Narrator advice on using the themes and tone of the era and the plots of the last eight John Carter novels including The Mastermind of Mars and Skeleton Men of... [click here for more] |
Modiphius |
$19.00 $9.50
|
John Carter of Mars is a science-fantasy roleplaying game from the mind of Edgar Rice Burroughs. It will transport you to Barsoom, an arid, dying land of ancient civilizations and fearsome creatures. Using a pulp-action inspired variant of the 2d20 System, take on the role of heroes as you travel, battle, and romance your way across the wondrous and dangerous world of Barsoom
Modiphius Entertainment... [click here for more] |
Modiphius |
$11.00 $5.50
|
Edgar Rice Burroughs’ John Carter of Mars: Prince of Helium Era Supplemental Rulebook provides you with an in depth look at the Prince of Helium era of play for the John Carter of Mars: Adventures on the Dying World of Barsoom roleplaying game.
- Narrator advice on using the themes and tone of the era and the plots of The Gods of Mars and The Warlord of Mars to create exciting Prince of Helium era... [click here for more] |
Modiphius |
$19.00 $9.50
|
INTO THE UNKNOWN!
The Shackleton Expanse Campaign Guide for the Star Trek Adventures Roleplaying Game presents a thrilling, all-new area of the Beta Quadrant to explore: the Shackleton Expanse. Countless wonders and mysteries await within, including strange spatial phenomena that confuse sentient life-forms as well as starship sensors, ancient alien technologies powerful enough to... [click here for more] |
Modiphius |
$23.00 $11.50
|
What lies at the center of the Pinicon Belt?
This adventure presents a crew of player characters with a profound ethical dilemma that could have sweeping ramifications that extend far beyond their own universe.
When the player characters investigate a dangerous asteroid field, they are confronted with doppelgangers from a different quantum reality where the... [click here for more] |
Modiphius |
$4.99
|
FAR FROM HOME
“SOMEWHERE ALONG THIS JOURNEY, WE’LL FIND A WAY BACK. MISTER PARIS, SET A COURSE FOR HOME.” -- CAPTAIN KATHRYN JANEWAY
The Delta Quadrant Sourcebook provides Gamemasters and Players with a wealth of information to aid in playing characters or running adventures set within the ever-expanding Star Trek universe. The 138... [click here for more] |
Modiphius |
$16.00 $8.00
|
I THINK THIS NEW SHIP WAS PUT TOGETHER BY MONKEYS. OH, SHE'S GOT A FINE ENGINE, BUT HALF THE DOORS WON'T OPEN, AND GUESS WHOSE JOB IT IS TO MAKE IT RIGHT?
The Operations Division supplement provides Gamemasters and Players with a wealth of new material for use in Star Trek Adventures for characters in the operations division. The Operations Division supplement... [click here for more] |
Modiphius |
$8.00 $5.60
|
Strange New Worlds: Mission Compendium Volume 2 presents nine ready-to-play missions for Star Trek Adventures. Within this book Gamemasters will find the means to test their Starfleet officers while encountering a variety of strange new worlds and the lifeforms they contain.
Solve the mystery of a viral plague among a population of aliens who... [click here for more] |
Modiphius |
$16.00 $8.00
|
The Star Trek Adventures Klingon Empire Gamemaster Toolkit gives the gamemaster all the rules references they need to run a mission in the final frontier. It also gives players reference sheets for each of the roles in the Klingon Defense Force and on the bridge of a Klingon warship. This toolkit includes:
A 4-panel gamemaster screen, packed with rules for the 2d20 system and reference... [click here for more] |
Modiphius |
$11.50 $8.05
|
This 19-page PDF contains player character statistics for the crew of the U.S.S. Voyager, including Captain Kathryn Janeway, Commander Chakotay, Lt. Cmdr. Tuvok, the Emergency Medical Hologram, Lt. B’Elanna Torres, Lt. Tom Paris, Ensign Harry Kim, Seven of Nine, Kes, and Neelix. The pack also contains game statistics for the U.S.S. Voyager and contains game rules for hologram characters... [click here for more] |
Modiphius |
$4.99
|
Will you violate the Prime Directive?
Welcome commander... Your orders are go undercover on the pre-contact planet of Kalmur to investigate the accidental death of a Federation observer.
When a Kalmuri experiment into artificial gravity goes wildly wrong, an experimental device explodes crushing everyone within the test lab, including a Starfleet scientist, Lieutenant... [click here for more] |
Modiphius |
$4.99
|
A Prehistoric Monster Entombed in Ice!
It is March 1940 and Nachtwölfe has dispatched a secret expedition to an uncharted island colloquially known as Threshold in the US territorial waters of the Bering Strait.
Intercepted intelligence has alerted Section M to the expedition’s presence and agents are recruited as part of a joint Anglo-US mission to investigate and interdict. They... [click here for more] |
Modiphius |
$7.50 $5.25
|

Triad Trouble in Shanghai
Shanghai, China: January 1943. The city is in the tight grip of the Imperial Japanese Army. While high society revellers enjoy the delights of the “Paris of the east”, Black Sun secretly loot the occult treasures of the Pacific under the nose of the Japanese occupiers.
Section M learns that the Germans have a secret way of smuggling these treasures out, codenamed Oberon... [click here for more] |
Modiphius |
$7.50
|
Welcome to another chilling edition of Halloween Horrors – are you as ready to be terrorised as Achtung! Cthulhu presents its now annual offering of ghosts, ghouls, and things that go bump in the night!?
This year (2023) we’ve a special treat with five FREE fantastically frightening Halloween Horrors from the devious mind of acclaimed horror writer Bill Heron, all... [click here for more] |
Modiphius |
FREE
|
Horror at a Stately Home!
Welcome to Section M: Priority Missions, smaller one-shot missions and scenarios to help out the hard-pressed GM. Inside you’ll find a complete mission brief and full colour map to help you run a shorter one-shot session, plus a set of seeds to provide inspiration for further adventures.
Strange events are occurring at Raynethorpe Hall in East Anglia, where Lord Edward... [click here for more] |
Modiphius |
FREE
|

Two bonus biomes for extra adventures!
It is said it is the journey rather than the destination which is important and Achtung! Cthulhu: Unexplored helped gamemasters fill in the blank spaces which agents often simply “redline” through.
There wasn’t quite enough space in the original print version of Achtung! Cthulhu: Unexplored to... [click here for more] |
Modiphius |
$8.00
|
All Hallow’s Eve, or Halloween, has long been an unquiet time when restless spirits roam abroad, and it is said, the dead walk the Earth. It’s a no-less challenging time in Achtung! Cthulhu’s Secret War, when myriad monsters are unleashed at the witching hour to wreak havoc upon unsuspecting mortal foes.
In this FREE supplement for the Achtung! Cthulhu TTRPG, we present five villainous fiends... [click here for more] |
Modiphius |
FREE
|
The Horrors Have Taken Over the Asylum!
Welcome to Section M: Priority Missions, smaller one-shot missions and scenarios to help out the hard-pressed GM. Inside you’ll find a complete mission brief and full colour map to help you run a shorter one-shot session.
Containment Breach has been specially written to accompany the FREE Halloween Horrors III, so download... [click here for more] |
Modiphius |
FREE
|
Liberate Europe from the Hellish Hordes!
It is the spring of 1944 and after five years labouring under the yoke of oppression, Europe yearns for liberation. A vast Allied army of personnel and machines is assembled on the south coast of Britain ready to launch the greatest sea and airborne invasion in history.
But the forces of the Axis occult, Black Sun and Nachtwölfe, are not ready to... [click here for more] |
Modiphius |
$21.50
|
Welcome to Halloween Horrors III – now more terrifying than ever before! In this eldritch tome of terror you’ll discover five new horrors for the Achtung! Cthulhu RPG which you can either combine with the Containment Breach! scenario or use as standalone NPCs in your campaign.
Anselm Badenhorst, codenamed Hydra is a young... [click here for more] |
Modiphius |
FREE
|
Welcome to Section M: Priority Missions, smaller one-shot missions and scenarios to help out the hard-pressed GM. Inside this PDF you’ll find a complete mission brief and full colour map to help you run a shorter one-shot session, plus a set of Adventure Seeds to provide inspiration for further adventures.
In Resurrection Men Allied intelligence has discovered a network of Great War era tunnels... [click here for more] |
Modiphius |
Pay What You Want
|
Welcome to Section M: Priority Missions, smaller one-shot missions and scenarios to help out the hard-pressed GM. Inside this PDF you’ll find a complete mission brief and full colour map to help you run a shorter one-shot session, plus a set of Adventure Seeds to provide inspiration for further adventures.
In Our Lady of the Eternal Sapphire, agents are tasked with investigating a monastery located... [click here for more] |
Modiphius |
Pay What You Want
|
Intrigue at an Ethereal Inn!
Welcome to Section M: Priority Missions, smaller one-shot missions and scenarios to help out the hard-pressed GM. Inside this PDF you’ll find a complete mission brief and full colour map to help you run a shorter one-shot session, plus a set of Adventure Seeds to provide inspiration for further adventures.
In A Pinch of Glamour, agents are dispatched to Elderwood... [click here for more] |
Modiphius |
Pay What You Want
|

Shadow of the Crawling Chaos
Bow down before the Obeah Emperor!
It is the winter of 1941 and a rare treat awaits your agents as they check into a glamorous Caribbean resort for a spot of rest and relaxation.
Yet the demands of the Secret War are ever present and soon they are drawn into accepting a low-risk mission to take custody of a strange artefact. What begins as an apparently simple exchange... [click here for more] |
Modiphius |
$7.50
|