Ethan Hartranft

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

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.

Windwaker meets Waterworld in this rules light procedure-heavy TTRPG for solo and group play. Explore a near-future hazardous but hopeful world, smashing Corpo Schemes while discovering Monsters and Mecha lurking beneath the waves.

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.

Together, become a weird ecology. When the world shatters, how will we survive? Assemblage is a science-inspired eco-fantasy TTRPG in which 2-6 players collaboratively build the story of an interdependent ecosystem on the verge of environmental disaster.

The Between is a tabletop roleplaying game about monster-hunters in Victorian-era London. It's inspired by the TV show Penny Dreadful, British horror classics, and pulp media. Its rules are based on the award-winning Brindlewood Bay.