2D20 Fallout RPG Cheatsheet
A simple 2 page cheat sheet of the main rules for GMs and Players to use as reference at the table.
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Modiphius 2d20 - Game System: Cinematic 2d20 system for licensed properties
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2d20 System Reference Document
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 System, as well as several common genre-specific modifications, to be used both internally by Modiphius...
2d20 World Builders Logos and Templates
This packet includes logos, Word, and InDesign templates for use with the Modiphius 2d20 World Builders program.
Achtung! Chtulhu 2d20: Operation Cold Threshold (PDF)
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 must make a dangerous crossing to the island, traverse the challenging terrain and fearsome weather, navigate...
Achtung! Chtulhu 2d20: Operation Oberon (PDF)
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 and are using it to systematically steal the treasures of southeast Asia. The agents are sent...
Achtung! Cthulhu 2d0: Halloween Horrors (FREE PDF)
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 to enliven your games which can be set free on Halloween itself, Walpurgis Nacht, or some other...
Achtung! Cthulhu 2d20: Assault on the Fuhrer Train
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 will come to know it, will be launched, but other forces are also at play in the snowy Ardennes. Credible intelligence reaches a local...
Achtung! Cthulhu 2D20: Blauer Kristall Dice Set
This pack contains two x d20s and four x d6 challenge dice. Translucent blue crystal look with white numbering. Each die also carries a custom Secret War Squid symbol on one face.
Achtung! Cthulhu 2d20 - Containment Breach (FREE PDF)
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 that free PDF for enhanced play! Strange events are occurring at Cailleanach House, South of Edinburgh. As well as treating...
Achtung! Cthulhu 2d20: Danger Island (PDF)
Danger Island! It is February 1942 and as Japanese forces close in on the British stronghold of Singapore, Section M attempts to evacuate one of its foremost Asian experts, Colonel Horace Charles Farthingdale and his assistant, Ms. Marjory Weathers, plus a valuable archive of papers and artefacts to safety. But during their flight to Darwin, Australia, their Short Flying Boat is attacked by Japanese fighters and after the Colonel and Ms. Weathers bail out, the plane makes a crash landing on...
Achtung! Cthulhu 2d20 - D-Day: The Darkest Day
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 give up their ill-gotten gains so easily and lurk behind the mighty defences of the Atlantic Wall ready...
Achtung! Cthulhu 2d20: Eat for Victory! - Recipe Book FREE PDF
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 to add surprise and stimulation to their supplies with these scrumptious sweet and savoury snacks. Swig or sip a...
Achtung! Cthulhu 2d20: Forest of Fear
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. But Hitler has one last great gambit planned, a massive, armoured offensive, which will split...
Achtung! Cthulhu 2d20: Gamemaster's Guide
NOTE! The Achtung! Cthulhu Player's Guide contains the full core cinematic 2d20 rules for actual play, and you’ll require that to play the game. 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...
Achtung! Cthulhu 2d20: Gamemaster's Screen + Toolkit
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 and rules summaries to help the GM keep the action flowing. It may even offer protection from arcane...
Achtung! Cthulhu 2d20 - Halloween Horrors 3 (FREE PDF)
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 German émigré who seems the very Nazi ideal: tall, blonde, handsome and well-built. But he despises the Nazis with every fibre of his being, Black Sun most of all. Of...
Achtung! Cthulhu 2d20: Halloween Horrors IV - Arctic Abominations (FREE PDF)
Fire was one of mankind’s primary tools, helping him keep warm, cooking his food and bringing protection against the icy cold of winter. It also helped keep the monsters away. Halloween Horrors is back for its fourth malevolent incarnation and this year it has a distinctly wintery theme with an assortment of five particularly heinous arctic abominations suited to cold and snowy environments. How will your agents fare when they face the fearsome Chenoo, shaggy humanoids with matted white...
Achtung! Cthulhu 2d20: Hidden Depths (PDF)
Dive into an Ancient Enigma! Syria, June 1941: your agents have just completed another mission and are looking forward to some well deserved R&R, but the machinations of the Secret War mean there is no rest for the wicked. They are quickly dispatched to Syria and there reassigned to Habforce, a newly created British army unit sent to battle local Iraqi forces. Soon they are traversing the sweltering desert, their ultimate objective the ancient city of Palmyra, and a rendezvous with a...
Achtung! Cthulhu 2d20: Horrors of the Secret War (PDF)
There are things... things that it were better mankind never knew about. Achtung! Cthulhu already contains a huge variety of malign Mythos monstrosities, terrors and abominations but this new grimoire of terror expands on them even further. It also features a brand new section devoted to Invidious Cults and Infernal Sects, detailing the malevolent followers of the old ones. Inside Horrors of the Secret War you’ll discover a new collection of Animals which can be used as familiars,...
Achtung! Cthulhu 2d20 Ill Flown by Moonlight (PDF)
Battle a Living Metal Monstrosity! After D-Day, Allied forces push onward to victory in continental Europe. Supported by the Office of Strategic Services (OSS) local Resistance groups are desperate for vital equipment and materiel. To support them the OSS organises Operation Carpetbagger, clandestine night drops by specially adapted B24s which fly at low level across enemy territory. In one such mission, Section M has added several arcane items to the cargo of the Blue Hornet and it...
Achtung! Cthulhu 2d20: Mission Dossier 2: The Dark Beyond
Adventures from the home front to the frozen wastes of the Arctic! This second mission dossier for Achtung! Cthulhu 2d20 contains the four main mission releases from the second year of the award-winning RPG including Operation Wallace, Operation Marseille, Operation Snowstorm and Operation Fallen Star. Also included are the Halloween Horrors and Malevolent Grove releases, plus The Mighty Jungle, a brand new terrain engine which allows you to generate your own jungle-themed adventures. From...
Achtung! Cthulhu 2d20: Operation Achilles (PDF)
Espionage and Otherworldly Adventure! India, March 1942: Section M learns that a group of Black Sun operatives are travelling in disguise to Karachi India, their ultimate destination and plans unknown. The agents are sent with orders to investigate, figure out the group’s plans, and are granted considerable latitude to decide on the best course of action. Arriving in Karachi, they learn that the Black Sun party have train tickets to Jodhpur and once onboard the overnight express a...
Achtung! Cthulhu 2d20: Operation Black Cap (PDF)
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 by the Black Sun in Italian East Africa, agents are sent on to investigate. However, with an...
Achtung! Cthulhu 2d20: Operation Bulwark: The Elbrus Enigma (PDF)
Conquer the devils of Elbrus Mountain It is 1942 and strange reports reach Section M from the Caucasus region, near a little known mountain called Mount Elbrus. The Resistance report sightings of both Nachtwölfe operatives and strange, newly awakened creatures, referred to as devi or “devils” who have kidnapped a number of locals. Currently in Persia, the agents are dispatched to investigate the truth behind these strange sightings but when they arrive in Georgia, their welcome is a lot...