Mikko H

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

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 zinepack of adventure modules for Old-School Essentials.

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...

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

Twisting Unseen is a 36pg adventure module where crewmembers Build the Superstructure using long-defunct Gate tech. A Sleeper Crew Adventure inspired by BLAME!, Half-Life, and Pandorum for Mothership the Sci-Fi Horror RPG.

Vralkast is a system-neutral city setting - a vertical port built into the sea cliffs of an endless underground ocean by giant hands, populated by monsters of all kinds. Beneath the starworms, city life is a raucous cavalcade of clashing factions.

Every character has to sleep. Explore camping gear in your RPG with real history, optional rules, magic item, monsters, and more!

Triple-O is a tool for solo RPG players who want to invert roles and play as the GM instead of a character. Originally launched as a one-page solution, this new zine version brings more random tables, examples, and new use cases!

Mothership space trucking 101, set in the star system surrounding Prospero's Dream

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.

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

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.

A mega-dungeon that supports a full-year campaign. A legendary adventure considered by many to be one of the greatest of all time! Explore a thousand-year-old dungeon mystery waiting to be solved...