The World's Largest Dungeon is a 1,600+ page, four-book behemoth megadungeon. Experience the Guinness World Record-winning dungeon crawl like never before - fully updated to 5E of the World's Most Popular Roleplaying 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!

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.

A four-fold pamphlet filled to the brim with Android Class Variations, New Items, Upgrades, and a new Panic Table to give your Android PCs more flavor!

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!

A thrilling three act adventure of cosmic horror for The Mothership Sci-Fi Horror RPG including a crashing ship, a mystery in a colony, and a three-level underground temple. Will you survive the return of Black Emperor as he pierces the veil of reality?

MythCraft TTRPG Returns: Forge Your Myth, Embark on New Sagas, and Create Epic Adventures in the Ultimate Tabletop Experience!

OSR Booster is a 56 page zine with d20 weapons and d20 armor that will give your party an edge in brutal old school settings. High quality offset printing Spot gold foil cover Written and illustrated by Justin Sirois

Who Killed Brianna Pilgrim? Catch a killer onboard Trellick Station in this deluxe campaign adventure for Mothership 1e.

OMENDROME is a zine supplement for MOTHERSHIP 1E and ARKYVR containing 10 filmmaker centered mini-adventures! Players take on the role of mercenary film documentarians trying to capture morally defying content for a questionable patron.

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!

A neon noir murder mystery on a rogue planet, drifting into the dark between the stars. Intrigue, danger, and conspiracy lurk among the tarnished dreams of Interloper.

Indiana Jones meets Stargate in this desert delve to uncover ancient alien secrets before they're lost forever beneath shifting sands. Includes a smuggler's toolkit for continued adventures in the desert and across the Outer Rim.

A campaign framework for a forgotten haven of pirate plunder

Not Enough Scoundrels is a 32pg zine of space truckers, shady smugglers, crooked spacecops, black marketeers, and the spaceships they live & die by. Do Crime. Get Paid or Die Broke. For Mothership the Sci-Fi Horror RPG.

A missing scientist. An art deco pharmaceutical conference centre, now used for... other things. Massive bounties. Zero chance things will go wrong. (3 truths 1 lie.)

"Operation Golden Cut" is a sci-fi horror adventure for Mothership RPG. Navigate a war-torn mining moon, steal valuable cache of gold amidst brutal corporate conflict, and survive the horrors of human greed and warfare.

Death Pays All Debts adds a new tower in the depths of Prospero’s Dream loaded with loot and danger. Enterprising crews robbing the tower can walk away made for life. Unlucky ones will perish in the attempt… or worse.

A hardcover toolkit for building your own bounty hunting campaign in the Mothership Sci-Fi Horror RPG.

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.

The Welcome to Night Vale Roleplaying Game is a campaign setting for the Essᴇɴᴄᴇ20 Rᴏʟᴇᴘʟᴀʏɪɴɢ Sʏsᴛᴇᴍ, based on the Welcome to Night Vale podcast.

The Parthenogenesis of Hungry Hollow is a sandbox investigation for Liminal Horror.

A community compendium of house rules for The Mothership Sci-Fi Horror RPG. This book defines a full methodology for solo and Wardenless play and includes house rules for everything from downtime to cybernetics.