Christopher Duffy

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.

There is a moon that exists across space and time, in two different places at once...

A hardcover collection of 0-level funnel adventures for Dungeon Crawl Classics, Mutant Crawl Classics, and Xcrawl Classics! Plus all the accessories: scratch-off character sheets, "dead" stamps, and gongfarmer glow dice!

“All the grisly bits wot weren’t enuff on their own” A true expansion to the Swyvers RPG. More city generator tools, more systems, more grit, more grub, MORE SWYVERS!

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

A city-crawl through a profane realm of the subtle divines of Vedic myth, created in homage to City-State of the Invincible Overlord and serving as a meta-commentary on syncretism, hedonism, and orientalist tropes on India across the history of gaming.

A low-level adventure set in the plagued wilderness and abandoned mines of a crumbling dwarven mining town. Demon-hunters march in force, strange beasts stalk the woods, and cultists dig for something still buried in the silver mine...

A doomed starship warps through the abyss and crashes into a sword-and-sorcery world, unleashing cyborg demons and alien tech. Classic science-fantasy meets 90s-inspired radness as high-level heroes face the forces of chaos in the hell-corrupted wreck.

Loud, colorful, and cartoonish art book, showcasing the demonic forces living in their various hells, and the clerics who worship them.

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.

Five one-shot nightmares in a slimy little box.

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

Windwaker meets Waterworld in this rules light procedure-heavy TTRPG for solo and group play. Explore a near-future hazardous but hopeful world, smashing Corpo Schemes while discovering Monsters and Mecha lurking beneath the waves.

Malvolio: a new, luxury gated district on Prospero's Dream, its people slowly being corrupted by power of The Hippocrene... drink and you shall have what you most desire—but at what cost?

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

The new Hallowed Edition of Our Queen Crumbles, the beloved collaborative storytelling game for 2-4 players about revenge, inevitable death, and saying goodbye to those you love.

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.

Stay Frosty is an OSR game of future marines versus whatever the universe can throw at them. Play games in the style of your favourite military sci-fi movies and video games.

An enormous retail adventure generator for inclusion in sandbox campaigns within the city of Troika. Get a job! Meet the locals! Don't die!