Aaron Seigo

9 self-contained adventures inspired by Dante's Inferno for the sci-fi horror RPG Mothership. Each circle features unique mechanics and stories. Play as standalone one-shots or link them into a campaign with an overarching meta-plot.

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.

SHOOT FOOTAGE, NOT GUNS! Play as a scrappy documentary film crew within the Mothership universe. Put your lives and sanity on the line as you make a movie in an alien infested kill zone... and maybe get paid?

Over hill, over dale; a creeping chill, a twisting rail… System-neutral adventures in modern horror from the British Isles.

A shore leave location with new cybermods, recovery mechanics, black market items + more

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

RESERVOIR is a body horror puzzle dungeon featuring an immense alien creature found in the sewers deep beneath The Great City. Many meat-based challenges await those who dare to prevent the scourge of The Flesh!

A mind-bending escape room adventure exploring a wizard's manse. Master the rules of the dungeon and use them to your advantage.

Fight to free your home from the terrible rule of The Baron in this campaign for Mausritter.

Return to the forest of Pwyll from Tiny Fables for more dark, mysterious, and whimsical adventures for Mausritter.

Blood, bile and oil. The Dream is begrimed. Hygeia Interplanetary is offering to fix that. A lemony-fresh adventure surrounding one elite janitorial team's disappearance whilst attempting to scrub down a fragment of Prospero's Dream.

A media-fueled toolbox and adventure for the Mothership RPG. BREAKING NEWS drops you into Prospero’s Dream, where information is currency and factions fight to control it. Every lead drags you deeper. Whose truth will you print, and what will it cost you?

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.

Eighteen Mothership veterans tear open the Spinal Crux District, a 56pg zine detailing the EYE and its twenty Blocks on Prospero's Dream.

Four new cutthroat businesses to populate Prospero's Dream. Sell your soul, lose your mind, spend your cash and dive back in.

An open ended Mothership TTRPG module set in Prospero's dream. As undercover agents pressed into corporate service crew are tasked with tracking down the source of malfunctioning blackmarket prototype clones.

All On Red is a tense sandbox investigation module set on the perilous mega-station Prospero's Dream. Speeding trains, a vicious gang, a clinic on the brink of failure, and a rebel plot all collide in this pressure cooker adventure!

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

The 2006 retro-clone of first edition AD&D, rewritten and reorganized for 2025! OSRIC 3 is easier to learn, with more examples of play. This is the beginning of a new product line for Mythmere Games, to include adventure modules and much more!

Flotsam drifts on artificial tides in a remote coastal outpost. Document what happened to the crew of this sea-struck facility, or add yourself to the ledger.

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

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.

A Toolkit for warfare, military tactics, and planetary annihilation! See new worlds, meet new people, try and kill them all and make a buck doing it!

Experience fantascience roleplaying at the end of time. Escape the end of history. The eternal civilization is perfect. So say the gods, the machines. Will you defy the endless circle of awakening and forgetting? Can you kick a hole through the sky?