Joan García Esquerdo

The Black Spire Pact is a slipcased pair of PvP adventure books where one player is a mortal sorcerer, the other a demon lord. PvP Gamebooks use a streamlined system built on and fully compatible with Old-School Essentials.

A series of connected adventures starting in our mortal realm and descending into Hell itself.

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

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.

Druskara is a brutal sandbox setting made for use with Shadowdark where the world evolves with or without you and your choices reshape the realm.

La edición definitiva del mejor juego de rol de magos de la historia, en castellano, con un diseño y unas ilustraciones completamente inéditas.

Old school RPG design. New school system design. Streamlined. Content heavy. Compatible with the classics and the new kids on the block.

The World is on Fire. We’ve teamed up with a rockstar cast of pissed off writers and artists to create an anthology of killer digital-only TTRPG content. Fight wildfires, AI, Authoritarians, Tariffs, and more.

Build an unforgettable campaign setting! These decks offer inspiration through imaginative art, lists of evocative ideas, and simple sandbox/hex crawl guidelines. Plus Hex Minimap Tiles to build a map!

Ars Magica's deluxe edition with vastly expanded text, new art and graphic design, and luxurious upgrades.