Bob Mosdal

From an empire’s ashes arise cruel warlords, savage hordes, and man-eating giants—all seeking the cosmic steel to become like gods—in this pulp sword & sorcery mega-adventure for Old-School Essentials.

MCDM‘s sophomore album featuring: better dungeon crawling, overland travel, a quaint town, the goat, and a lot of adventurers whose ambitions often exceed their skill.

Ratcatcher Magazine is a community content zine for MCDM's Draw Steel. It's designed to give up-and-coming third party DS developers a place to show off new creations, give advice, or even worldbuild or write fiction.

“All the grisly bits wot weren’t enuff on their own” A true expansion to the Swyvers RPG. More city generator tools, more systems, more grit, more grub, MORE SWYVERS!

Get a complete guide to how dungeons work, and how an adventurer act in dungeons. "Dungeon Delvers" is packed with new mechanics, items, feats, NPCs, and more...

Start off your next urban fantasy campaign with a bang! Work together using a deck of cards and any city map to build a magical setting. Leverage local history, landmarks, and transit to create interesting characters and communities!

Blades ’68 is an official supplement for Blades in the Dark, moving the timeline forward 100 years to the swinging 60s.

A zine about the multiple ways the humble hex can be used at your tabletop RPG including a hexcrawl that allows you to string all those ways together

Enspell your table! Rebuilt from the ground up, fully OGL-free, brand new content, refined for clarity and usage. Over 1,000 spells, 210 rune spells and much more. This expanded tome brings the power of arcane, divine, and runic magic into your hands!

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

"We watched Cthrion Uroniziir try to reduce the timescape into one singular universe, wiping out reality as we know it. She was defeated, and we see her cage every day."

Ratcatcher Magazine is a community content zine for MCDM's Draw Steel. It's designed to give up-and-coming third party DS developers a place to show off new creations, give advice, or even worldbuild or write fiction.

The successor to AEG's award-winning RPG book "Toolbox" and platinum best seller "Ultimate Toolbox" - the World's Largest take on the Ultimate Toolbox is Over 400 pages of the best charts, tables, and seeds of gaming adventure.

Scheme. Quest. Conquer. Cloven Lands is a robust 350+ page political intrigue campaign packed with quests, factions, and consequences.

Get a complete guide to how villains think, work, and act. Masterminds of Crime is packed with new mechanics, items, feats, NPCs, and more...

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.

Serenissima Obscura is a setting guide & modular adventure for Venice in the Magical Renaissance. Face conspiracies, mystical convergences and a realm of unspeakable terrors! Play with 5e, Ars Magica or your favorite system!

Tremendous and inspirational resources for gamemasters! Dungeon Denizens 2 is a huge hardcover with 350+ monsters, How to Write Even Better Adventures has advice from experienced game designers, and there's even more!

Two new Monster of the Week books to equip your Hunters with everything they need.

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

TRAIL OF CTHULHU: A ROLEPLAYING GAME OF HORROR AND MYSTERY Investigate Lovecraftian horrors in the dark decade of the 1930s!

A new edition of The Expanse Roleplaying Game with expanded rules that focuses on the 30-year span between the novels Babylon’s Ashes and Persepolis Rising. The campaign also includes 3 supplements, dice, accessories, and for the first time, miniatures!

Take your Old Gods of Appalachia Roleplaying Game adventures to deeper, creepier, and more atmospheric places with three new supplements plus useful and immersive extras. And if you're new to the game, this is a great place to start!