Robert Mullen

Rules and tables for randomly generating poisons, harvesting them from monsters, and determining the value and dosage of toxins

The award-winning The One Ring tabletop RPG enters a new age with this triple offering – the epic campaign expansion The White Tower and the Hall of Gold, the bestiary Creatures Strange and Foul, and an updated Core Rules compendium – all also for 5E

A street-by-street, door-by-door gazetteer of the Troikan borough of Ripplegate with spider banks, fire cults, population adjusters, and hundreds of other small businesses all mapped and packed with stats, spells, and secrets for your Troika games.

An Interdimensional Hell-Market for Old-School Essentials. Life is cheap here...but a good soul will cost you.

HELLCRAWL is a jumbo sized hexcrawl set in Nethria, the Burning Hell. This infernal module is built for Old-School Essentials and will throw your unfortunate players down into the darkest depths of hell.

An official OSE supplement of demons, cults, and dark magic.

A project from the original creative team of SAD SPACE COWBOY RPG Orbital Blues, featuring a new book about the criminal scum of both the corporate and the outlaw worlds.

A 54 card set of TROIKA themed, traditional playing cards rendered in lush watercolour by Shuyi Zhang.

Blades ’68 is an official supplement for Blades in the Dark, moving the timeline forward 100 years to the swinging 60s.

PROSPERO'S DREAM is the new campaign setting for the Mothership Sci-Fi Horror RPG. It expands and augments the content in the award-winning module, A Pound of Flesh. The boxed set contains three zines, warden's tools, and so much more.

What are you willing to become for eternal life? The Black Market Guide is a 5e/Pathfinder 2e East Asian sourcebook expanding the worldbuilding of Undying Corruption. Subclasses, ancestries, bestiary, and a new world!

The second edition of Vaults of Vaarn, the acclaimed science-fantasy adventure game.

An alternative psionics ruleset designed for old-school games, with an emphasis on ease of play over tracking points.

Blades in the Dark: Deep Cuts is a 128-page expansion for the Blades in the Dark roleplaying game — containing a treasure trove of lore, setting material, and alternative mechanics John Harper developed over the years for use in Blades campaigns.

The legendary Invisible Sun RPG immerses you in magic that feels truly magical, characters that are deep and memorable, and rich and satisfying campaigns. Now in a re-envisioned presentation, it’s a perfect jumping-in point for this acclaimed RPG.

THE JOB is a tabletop roleplaying game, leaning into the narrative, story-driven genre. In conventional RPGs, winning or losing is irrelevant. This game, however, has a clear objective: to pull off a heist. You either do it, or you don’t.

Eduardo Mazzitelli and Enrique Alcatena's classic science-fantasy comic series is being translated into English and translated into the TROIKA! role-playing game system. Two translations, two books, one campaign.

Expand the world of Cloud Empress with three evocative new zines. Cloud Empress is the Nausicaa-inspired Ennie-award-winning ecological science-fantasy tabletop roleplaying game based on Mothership 1E's Panic Engine.

LIMINAL HORROR: Deluxe Edition is the definitive version of the world's greatest horror RPG. Newly revised, expanded, and available in two beautiful hardcover books.

TERRORS FROM THE COSMOS - SERIES TWO is a boxed set of 5 sci-fi horror adventure pamphlets for the Mothership 1st Edition sci-fi horror RPG game system, and easily adapted for play with any sci-fi RPG system.

Describe the rooms of a grand hotel and the people who live and work there through a series of challenging descriptions.

Brand new 'hex-n-screen' setting compatible with Undying Sands, Bottled Sea and Hexcrawl Toolbox. An icescape wasteland in the freezing Norths, dotted with crumbling ruins, temples of old and new, and formidable beings bound in the permafrost.

Meet your new criminal fixer and discover 4 villainous crews stalking the solar system. Will you hire their services as thieves and assassins or enter their ship lairs to track them down and bring each to justice?

Sentenced to hard labour, your prison transport crashes and you awaken to a living nightmare. A mysterious fungal infection ravages the penal mining colony. Will you live long enough to escape? A 48 page zine!