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 Hottest Classic D&D/AD&D from Hydra Cooperative
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What Ho, Frog Demons

What Ho, Frog Demons


Weighing in at 112 pages of pure Slavic/Vancian/Moorcockian acid fantasy, What Ho, Frog Demons is the fourth stand-alone, mini-sandbox adventure in the Slumbering Ursine Dunes series. Fever-Dreaming Marlinko was an experiment in reforming the city setting book: sloughing off the tedious bits and cranking up the most adventurable qualities. What Ho, Frog Demons is...   [click here for more]
Hydra Cooperative  $12.00

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Misty Isles of the Eld

Misty Isles of the Eld


Come visit the acid fantasy mini-sandbox of the Misty Isles, a hellish pocket plane that's brutally displaced a bucolic paradise. Marvel at its massive grub-ridges, shake at the body horror of its protein vats—and watch as your players dynamically unleash the Anti-Chaos Index through their own in-game actions. Misty Isles of the Eld is a stand-alone sequel to Slumbering Ursine Dunes...   [click here for more]
Hydra Cooperative  $12.00

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Slumbering Ursine Dunes

Slumbering Ursine Dunes


Run, play or splice up 66 pages of mayhem and weirdness in this Slavic mythic-inspired (with an acid fantasy-twist) mini-sandbox for Labyrinth Lord or the well-aged fantasy rpg of your druthers. What You Will Find Inside: • A 25-site pointcrawl of the otherwordly Slumbering Ursine Dunes region. Beyond the big ticket adventure sites you will find along the way...   [click here for more]
Hydra Cooperative  $9.00

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Completely Unfathomable (DCC)

Completely Unfathomable (DCC)


COMPLETELY UNFATHOMABLE combines the whole of Jason Sholtis’ (The Dungeon Dozen) 2018 Ennie Award-winning adventure Operation Unfathomable with its new companion volume Odious Uplands, adapted and expanded for the DCC game by Paul Wolfe (Mystic Bull Games, DAMN Magazine). All of the material from the OU Players Guide is included...   [click here for more]
Hydra Cooperative  $20.00

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Fever-Dreaming Marlinko

Fever-Dreaming Marlinko


Visit Marlinko, a borderlands city where life takes a strange fever-dream cast, in this 72-page urban adventure fantasy supplement. Part city-setting, part full-blown adventure, Fever-Dreaming Marlinko is a stand-alone companion to the Slavic acid fantasy weirdness of the Slumbering Ursine Dunes. What you will find inside: Background and hooks for...   [click here for more]
Hydra Cooperative  $9.00

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Odious Uplands

Odious Uplands


SO YOU SURVIVED OPERATION UNFATHOMABLE? The Odious Uplands await! You and your brave companions, fresh from their terrible sojourn into the Underworld emerge into the untamed wilds of Stonespear Province, crushed for an eon beneath towering glaciers until a sudden thaw, and bathed in the dim radiance and ineffable influence of the Chaos Aurora!...   [click here for more]
Hydra Cooperative  $15.00

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Operation Unfathomable

Operation Unfathomable


BEHOLD the Underworld in all its bewildering majesty as titanic Chaos Godlings and their unsavory cults make genocidal war upon each other! SEIZE eldritch artifacts and treasures far above your lowly station! THRILL as you throw the gauntlet of your life into the smug face of the unknowable and embark upon OPERATION UNFATHOMABLE!...   [click here for more]
Hydra Cooperative  $12.00

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Weird Adventures

Weird Adventures


Welcome to the City... The streets are mean--and what lurks beneath them is even meaner. Only the most hard-boiled adventurers make it in this town.  You think you got what it takes? Grab your gun or grimoire and find out. Weird Adventures is a setting where traditional rpg fantasy meets the Pulp era.  It's a world where hobogoblins hop trains, gargoyles...   [click here for more]
Hydra Cooperative  $9.99

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Operation Unfathomable Players' Guide

Operation Unfathomable Players' Guide


For use with Operation Unfathomable (Swords & Wizardry)! Players: READ THIS BEFORE ENTERING. Inside this handy player-facing accessory you'll find Unfathomable Comics! A semi-painless introduction to the feel of the setting 2 playable species: Underworld Otter and Woolly Neanderthal 2 character classes: the Citizen Lich and the Underworld Ranger Unsavory spells Weird new items A partial, probably...   [click here for more]
Hydra Cooperative  $4.00

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  Herculean Awakening