Konstantinos Kostulas

FLAIL is an old-school, fantasy RPG where spells act up, weapons fall apart, and characters survive mostly through nerve and sheer luck. Designed for people who like single-session dungeons and short campaigns of 10~15 sessions. Low-prep, max play.

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.

Huckleberry is a TTRPG about tragic cowboys in a world doomed to calamity… unless you save it. Take on the profession of a Maverick: a grizzled bounty hunter who rides out beyond the bounds of civilization with nothin’ but a big iron on their hip.

The newest hardback sourcebook for the critically acclaimed TTRPG Heart: The City Beneath. MORE CALLINGS! MORE CLASSES! MORE GUNS! MORE MAGIC! MORE DRUGS! MORE ALLIES! MORE ENEMIES! MORE FALLOUTS! MORE BOUNTIES! MORE DELVES! MORE HEART!

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

MAC Attack: Mobile Armour Colossus. A fast-playing, explosive mecha tabletop wargame, where factions of a fractured humanity fight for dominance on alien new worlds.

Blades in the Dark: Deep Cuts is a 128-page expansion for the Blades in the Dark roleplaying game — containing a treasure trove of lore, setting material, and alternative mechanics John Harper developed over the years for use in Blades campaigns.

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.

Downcrawl 2E is a TTRPG toolkit for exploring a weird, wondrous underworld of stalactite cities and fungal gods. Now supports zero-prep and solo play!

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?

When the anomaly appeared at the Earth's core, the Substratum Protocol was initiated. You are the best and brightest scientists we have left, our last hope to stem the apocalypse. You are the Substratum Expedition Team. Descend. Learn. Survive.

An epic swords & planet hex crawl for DCC RPG! Your characters are cast across the cosmos to a foreign world. Left to die beneath a weirdling sun and its sickening rays, their survival depends as much upon a quick wit as a quick blade...