Jason Cotton

MCDM‘s sophomore album featuring: better dungeon crawling, overland travel, a quaint town, the goat, and a lot of adventurers whose ambitions often exceed their skill.

A TTRPG of exploration and adventure in a fog-shrouded faux-Victorian apocalypse. You are a Delver. Hold your lantern high and venture into the unknown. Fight horrors, discover marvels, and protect the odd survivors of the fallen moon.

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

Never face the darkness alone again - a pets and companions guide and resource book for Mothership 1E.

Loot the Company Vault (or unleash its horrors) in this zine-sized expansion/sequel.

ENDING SOON! The wondrous science-fantasy RPG Numenera returns in a new edition filled with new art, creatures, lore, numenera items, and adventures. Step into the amazing Ninth World—a critically acclaimed, fan-loved RPG setting like no other!

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

An ambitious, interconnected, and beautifully illustrated setting for Mausritter, transforming an amusement park into a vast mouse-scale kingdom of peril, potential, and play. "Redwall meets Rollercoaster Tycoon (with a touch of danger and drama)"

A suicide-run heightcrawl for the Mothership sci-fi horror TTRPG. 22 floors to sneak, hide, and fight through in order to confront the true terror at the top - the corporate C-suite.

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

A murder mystery aboard Prospero's Dream! After a delivery gone wrong, will your crew uncover the plot to eliminate them before it's too late?

Creep through less-than-abandoned mineshafts, seek a seer atop a sombre gravestone, flee a treetop tea party without becoming cinders, and get caught in the crossfire of a raid upon a bomb-turned-vault in this bundle of mouse-sized adventures.

Turning back leads somewhere new. The gun in your hands is missing. The ringing grows louder.

Explore Welkin Campus—a shifting, sprawling, drowned facility of rogue machines, failed clones, and paracausal tech—in this Mothership-compatible depth-crawl module.

Step into your new flesh like borrowed gloves, and burn your fingers once again! Introducing new transhuman mechanics for the Mothership Sci-Fi RPG as part of Mothership Month 2025! Swap bodies, go insane, and see just how far from human you can become.

Mausritter: Junk City is the new official campaign for everyone's favourite mice game.

A campaign setting for a Prospero's Dream that has fallen into the hands of a totalitarian empire. It contains three major storylines, dozens of locations, NPCs and several missions that take place after the events of A Pound of Flesh.

A time-looping murder mystery set in a sandbox sector of The Dream. Can you solve a murder before it happens, or will time tear you to pieces?

A death-game module with a tight time limit and high stakes. Set in the ruined and plague-warped city of The Sink, the wealthy and powerful Hunters come to play a game where the rules are rigged and losing means death.

The Green Ghost's oxygen smuggling ring deals in the shadows beneath the roaring fans and events of Beach Breeze Rally DX, an arcade racing game set in a virtual slickworld. Race and join the leaderboard, or investigate and topple the operation.

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

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.

Prospero's Mall & Outlet failed project is being consumed by its own Lucid-AR tech. Street crews fight back with graffiti, skating, and style, keeping the holo-horrors at bay.

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.