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The 2d20 System Reference Document (or 2d20 SRD) is a free toolkit that allows creators to craft their own 2d20-based role-playing games and supplements. It explains all the core mechanics of the system, enabling game designers to create exciting experiences around Modiphius’ cinematic high-action and dramatic ruleset.
The 2d20 SRD serves as a central reference for the “core” of the 2d20... [click here for more] |
Modiphius |
FREE
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This packet includes more than 300 illustrations and pieces of art that you can use in your 2d20 World Builders Achtung! Cthulhu creations. See the official Licensed 2d20 World Builders guidelines for more information on the use of this and other sources of art. ... [click here for more] |
Modiphius |
FREE
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This packet includes logos, Word, and InDesign templates for use with the Modiphius 2d20 World Builders program. ... [click here for more] |
Modiphius |
FREE
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![A!C 2d20 Missions Bundle [BUNDLE]](https://d1vzi28wh99zvq.cloudfront.net/images/bundle-thumb140.png)
This special bundle product contains the following titles. Achtung! Cthulhu 2d20: Operation Falling Crystal Regular price: $7.00 Bundle price: $5.25 Format: PDF 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... [click here for more] |
Modiphius |
$67.25 $50.44
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Dust off your bolo tie and shuffle up the cards, because there's a poker tournament in town, and you're invited!
Aces High is a mini-adventure for your favorite post-apocalyptic sci-fi 2d20 game, set in the Las Vegas area. It includes rules for a poker tournament and other casino games, a gallery of colorful high-rolling NPCs, a zone-based battlemap, and two plotlines to add intrigue to the tournament.... [click here for more] |
Modiphius |
Pay What You Want
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The Fate Guide to the Secret War is a terrifying World War Two setting for Fate Core with a conversion by Ryan Macklin
This edition combines both the Investigator's Guide and Keeper's Guides into one single comprehensive volume and includes extras like character creation and character sheets.
Discover the secret history of World War Two: stories of amazing heroism,... [click here for more] |
Modiphius |
Pay What You Want
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Welcome to Dark Tales from the Secret War
Inside are thirteen stories set in the universe of Achtung! Cthulhu, a world which mixes the terrors of HP Lovecraft’s Cthulhu mythos with mankind’s darkest yet finest hour, the second world war.
Thirteen unhallowed stories from modern mythos masters await, featuring: fiendish Nazi villains, audacious Allied heroes, blasphemous secret ceremonies and twisted,... [click here for more] |
Modiphius |
$7.00
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The Crystal Void by John Houlihan
The year is 1810 and as Napoleon's Grand Armee chases Wellington's expeditionary force through Portugal to the lines of Torres Verdras, the dashing if rather dim French Hussar Gaston d'Bois is astonished to encounter the love of his life.
But the fragrant Odette is soon swept away, abducted, before d'Bois can consummate his passion by the Marquis... [click here for more] |
Modiphius |
$3.00
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The Crystal Void by John Houlihan
This includes the PDF of the Crystal Void Illustrated edition
The year is 1810 and as Napoleon's Grand Armee chases Wellington's expeditionary force through Portugal to the lines of Torres Verdras, the dashing if rather dim French Hussar Gaston d'Bois is astonished to encounter the love of his life.
But the fragrant Odette is soon swept... [click here for more] |
Modiphius |
$3.00
|
TERROR IN THE ARCTIC CIRCLE!
It is 1943 and the war hangs on a knife edge. Set free by a leading Nazi occultist, an ancient evil stirs in the snowy fastnesses of the Norwegian border, threatening to unleash a terrifying artefact which could not only alter the course of the war, but change the fate of humanity itself. Hope though, endures as a band of brave resistance partisans... [click here for more] |
Modiphius |
$3.00
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Tomb of the Aeons is the third adventure in John Houlihan’s mysterious Mister Seraph series. It is 1941 and as the Desert Fox swings his great armoured right hook to send the British scurrying back toward Egypt, the crew of Ingrid, a mark IV panzer become lost in the deep wastes. When they stumble upon a strange temple complex and find a unit of dead Black Sun SS, they are forced... [click here for more] |
Modiphius |
$3.00
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Alone, Forgotten & Hunted behind Nazi lines the survivors of Charlie Company are trapped in the "Forest of Fear".
Achtung! Cthulhu - Charlie Company : Forest of Fear #1 is the Beta test and first episode in a fun new free photographic web comic featuring miniatures, terrain and Cthluhu horror. Have you ever thought of grabbing all those miniatures and taking some awesome pictures? Well having... [click here for more] |
Modiphius |
FREE
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Secrets of the Dust is where two epic roleplaying systems collide, combining the spine tingling horrors of Achtung! Cthulhu, with the mind bending adventures of Paolo Parente’s DUST universe, where World War 2 has been unnaturally extended by the introduction of alien technology meaning that in the year 1947, conflict still rages across all corners of the globe.
Secrets of the Dust invites... [click here for more] |
Modiphius |
$5.00
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Welcome to the City of Spies
"I'm involved in a dangerous game, Every other day I change my name, The face is different but the body's the same, Boo, boo, baby! I'm a spy!" - Popular song in wartime Istanbul Istanbul in 1942 is a neutral city, packed with spies. Everyone's here - the Nazis, the Soviets, the Brits and the Yanks, the Japanese and a host of other nations, all waging... [click here for more] |
Modiphius |
$16.99 $14.00
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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
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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
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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
|
![Achtung! Cthulhu 2d20 - World Builder's Bundle (PDFs) [BUNDLE]](https://d1vzi28wh99zvq.cloudfront.net/images/4329/425069-thumb140.png)
This special bundle product contains the following titles.
2d20 System Reference Document Regular price: $0.00 Bundle price: $0.00 Format: ZIP File
The 2d20 System Reference Document (or 2d20 SRD) is a free toolkit that allows creators to craft their own 2d20-based role-playing games and supplements. It explains all the core mechanics of the system, enabling... [click here for more] |
Modiphius |
$41.98 $33.00
|
Dare you face the terror lurking at the heart of Saint Sulac? Join a band of intrepid Allied agents as they investigate the mystery gripping this obscure corner of France. Who are the mysterious Nazi Black Sun? Why have they overrun this sleepy French village? What are they doing with the villagers they imprison in the mysterious ancient chateau at its centre? This FREE 48 Page Quickstart PDF contains:... [click here for more] |
Modiphius |
FREE
|
![Achtung! Cthulhu 2d20 Starter [BUNDLE]](https://d1vzi28wh99zvq.cloudfront.net/images/4329/410933-thumb140.jpg)
This special bundle product contains the following titles. Achtung! Cthulhu 2d20 Quickstart Regular price: $0.00 Bundle price: $0.00 Format: PDF Dare you face the terror lurking at the heart of Saint Sulac? Join a band of intrepid Allied agents as they investigate the mystery gripping this obscure corner of France. Who are the mysterious Nazi Black Sun? Why have... [click here for more] |
Modiphius |
$52.74 $49.99
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Climb Aboard Hitler’s Steel Behemoth!
It is November 1944 and as winter descends, the Allied advance rumbles to a halt on the borders of Fortress Germany. The US Army and German defenders settle down in a stalemate as they watch each warily across the Siegfried Line.
In just a few short days Operation Watch on the Rhine, or the Battle of the Bulge as history... [click here for more] |
Modiphius |
$10.00
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Eat For Victory!
The Official Achtung! Cthulhu Recipe Book brings the Secret War to your dinner table!
The Section M Mess Officers have painstakingly crafted these delectable treats from across the North African theater and beyond. Featuring such sugary delights as the sweet Moroccan Snake Cake and the dangerous sting of the Scorpion Cocktail! Section M invites all agents... [click here for more] |
Modiphius |
FREE
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Tanks, Tentacles and Terror!
Launch yourself into an epic late Secret War adventure that takes you inside the secret offensive within the Battle of the Bulge!
It is December 1944 and the Allied advances after D-Day come grinding to a halt on the borders of Fortress Germany. As the first snows fall, both sides eye each other warily across the lines, content to rest and recuperate as winter sets in.... [click here for more] |
Modiphius |
$21.00
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Direct the course of the new Secret War!
Welcome to the Secret War in this fast-paced pulp-influenced rollercoaster of an RPG which nimbly mixes the sanity-challenging terror of Lovecraftian cosmic horror, with the chaos and heroism of World War II.
As a gamemaster you will bring to life this pulp-influenced world of brave Allied heroes and... [click here for more] |
Modiphius |
$19.99
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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
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Battle the Black Goat of the Woods!
It is March 1941, and Section M receives reports that a Ju 52 transport plane has been downed near the village of Glavica in Yugoslavia. Planes do crash in this remote mountain range, but reports of strange atmospheric conditions intrigue Section M’s analysts.
When further intelligence is received that the plane was carrying an unusual stele recently unearthed... [click here for more] |
Modiphius |
$8.00
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Explore an Alien Treasure Vault
It is June 1942 and Section M receives intelligence from a trusted source concerning the emergency evacuation of a weather observation facility (WOF) on Olivia Island, an otherwise insignificant rock 650 miles south east of the North Pole.
A coded message indicates that a U-boat recently extracted the entire complement of the German weather observation facility there... [click here for more] |
Modiphius |
$7.00
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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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Survive the Night Time Terrors of Occupied France!
Having received intelligence from its Maquis allies in Southern France, Section M drops a team of agents into Vichy-controlled Marseille in the summer of 1941 to disrupt a powerful Black Sun ritual linked to the Dreamlands.
While the mission is a success, at least partially, the agents suddenly find their Resistance contact gone, their escape... [click here for more] |
Modiphius |
$7.00
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Operation Snowstorm
When Outpost Epsilon-3, a remote research post in British Columbia, goes radio silent for over a week, Majestic’s suspicions are aroused. An experienced team of agents is quickly delivered to the nearby snowbound town of Dunley, and ordered to investigate.
As they navigate the hazardous path to the base, their progress is made more difficult by a dangerous blizzard, considerable... [click here for more] |
Modiphius |
$7.00 $5.25
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Jeopardy in the Jungle!
It is March 1942, and months after the Japanese invasion of the Philippines, American and Filipino forces are in painful retreat. General MacArthur makes ready to evacuate to Australia, but in the Secret War, Japanese occult operations are just beginning.
A team of Majestic special operatives are hastily assembled. Their mission: go behind enemy lines, and learn the truth... [click here for more] |
Modiphius |
$7.99
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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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It is August 1940 and the Netherlands is still reeling from the German Invasion just three months earlier. Queen Wilhelmina and her administration have fled into exile and an uneasy peace settles over the country, as the first embers of resistance begin to smoulder.
From the small Dutch fishing town of Nermegen, reports reach Britain’s Section M of a strange installation being constructed on the... [click here for more] |
Modiphius |
$7.00
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350 million Kilometres from Home!
It is late 1940 and word reaches Section M of strange activities in the mountains of Argentina. A local source has spotted supply trucks with a distinctive logo journeying into the interior, heading toward a deserted mountain range.
Section M’s interest is further piqued by the presence of Dr. Konstantin von Raedler, a rising star in the Nachtwölfe science... [click here for more] |
Modiphius |
$7.50
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A Race Against Time Versus the Enemy Within!
At the height of the Blitz, mysterious coded radio messages are drifting across London’s airwaves, and Section M’s analysts at Clemens Park want to know why.
With no front-line troops readily available, a group of more academically-minded agents are drafted in to investigate. The signals are traced to an anonymous North London terraced house... [click here for more] |
Modiphius |
$7.00
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A New Secret War begins!
Welcome to the Secret War in this fast-paced pulp-influenced rollercoaster of an RPG which nimbly mixes the sanity-challenging terror of Lovecraftian cosmic horror, with the chaos and heroism of World War II. Enter a world of audacious Allied agents, malicious Nazi villains and the unfathomable gods and monsters of the Mythos themselves, each striving for... [click here for more] |
Modiphius |
$21.00 $14.99
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Storm an Axis Airfield!
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.
A mysterious Luftwaffe aircraft was spotted making what appeared... [click here for more] |
Modiphius |
Pay What You Want
|
Venom, Vengeance and Victory!
It is said you cannot leave Africa, it is always with you and in this combined guide and campaign book for Achtung! Cthulhu 2d20, we present a complete field guide for one of the Secret War’s most intriguing theatres, plus an epic 10-part campaign battling the might of the invidious Ophidians!
In the Guide to North Africa, you’ll find chapters on both the conventional... [click here for more] |
Modiphius |
$16.00
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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
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The hunt for a terrifying super weapon lost in the mists of history!
Embark on an epic globe-spanning adventure that takes you from the dawn of the Secret War to the fall of ancient Atlantis itself!
It is the summer of 1939 and as storm clouds gather over Europe, word reaches the Allies of the curious case of Dr. Botho Ehrlichmann, a noted academic and scholar.
As the events around... [click here for more] |
Modiphius |
$21.00 $19.99
|
Explore a Haunted Forest
Every place in the world has its ghost stories. The dark places of malevolence and dread. Do not stray from the road, do not linger in the dark, do not enter the forest. One such location is the Malevolent Grove.
Centuries ago, a church was built containing waters of great mystical power which could transport people through time and space. Unholy rituals profaned the site... [click here for more] |
Modiphius |
FREE
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Fly the Deadly Skies!
It is February 1941 and after the fall of Tobruk in January, Churchill boldly tells the US: “Give us the tools, and we will finish the job."
Meanwhile, in Romania, a rather unusual occurrence attracts the attention of Section M. In the remote mountains near the village of Zaltan, a prototype Zeppelin named the Huginn has appeared, hovering over... [click here for more] |
Modiphius |
$7.00
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Dover, June 1940. After decisive defeat in the Battle of France, German forces hover poised a mere 20 miles away across the English Channel. Artillery is rushed to the Dover area, and shelters and bunkers are dug into the famous White Cliffs. Then, beneath the town, a strange discovery is made.
Buried within the cliffs of 100-million-year old chalk lie the remains of an unusual building. The landing-ground... [click here for more] |
Modiphius |
$6.00
|
Welcome to the Secret War!
As the globe is engulfed by eruption of the second world war, storm clouds gather as the nefarious Nazi cult of the Black Sun attempt to harness unclean horrors and strange supernatural entities in their quest to conquer the known world and beyond. Facing them are the brave men and women of Section M and Majestic, secret Allied agencies who harness ancient tomes... [click here for more] |
Modiphius |
FREE
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Episode One: A Rude Awakening
Welcome to Acthung! Cthulhu Audio Adventures episode one, season one, the Secret War has begun! As October 1939 begins, British armed forces move over to Belgium anticipating the Nazi threat. Unbeknownst to the general public however, a secret mission set up by the British Intelligence Service, Section D, sends American Professor Richard Deadman to France.... [click here for more] |
Modiphius |
FREE
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Tales of the White Witchman is the omnibus edition of the first three adventures of John Houlihan's Seraph series, featuring the mysterious Mister Seraph: sage, seer, sorcerer and the one man willing to defy Cthulhu and his unholy minions down the ages.
This omnibus edition features the first three books, The Trellborg Monstrosities, the first Mon Dieu! Cthulhu adventure The Crystal... [click here for more] |
Modiphius |
$7.00
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The fourth volume in John Houlihan's acclaimed series opens up a new front in the White Witchman's eternal war against dread Cthulhu and his unholy minions.
"Pick up Before The Flood and devour it, then go onto the rest of the Seraph Chronicles. You’ll be in for a hell of a ride!" - Sci fi and Fantasy Reviewer
The year is 2034 and Britain is a drowning isle, after a cataclysmic... [click here for more] |
Modiphius |
$7.00
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These are the two card decks which accompany the Achtung! Cthulhu Skirmish Core Rule book, allowing you to use spell effects and tactical actions to enhance the miniatures wargame.
With the Spell deck you can wield exotic enchantments like Augur, Bind Enemy and Death Spell to crush and rout your opponents, swinging the battle in your favour through the use of magic.
With the Tactical Action Cards... [click here for more] |
Modiphius |
$1.00
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Learn all about the Achtung! Cthulhu Skirmish game, with this FREE full colour catalogue, featuring background information, forthcoming releases and full colour photography, showing all the brand new Achtung! Cthulhu Skirmish line. Comes with an additional Free download of Tales of the Crucible, with exclusive art and back story introducing you to the six hero characters for the Skirmish game.
Set... [click here for more] |
Modiphius |
FREE
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To celebrate the recent launch of the Achtung! Cthulhu Tactics videogame on Kickstarter, we've decided to make Achtung! Cthulhu Skirmish wargame free to everyone! Head on over to Kickstarter and search for Achtung! Cthulhu Tactics to bring the Secret War to your PC and unlock rewards, bonus heroes and a whole wealth of Achtung! Cthulhu Tactics goodies!
Set around... [click here for more] |
Modiphius |
FREE
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