Part megadungeon, part underground expedition, Operation Unfathomable serves as both a one-shot adventure and a campaign framework. PCs are (optionally) drafted at swordpoint to recover the Nul Rod, a priceless artifact that was recently lost in a local prince's foolhardy attempt to destroy the Chaos Gods of the Underworld. The PCs have been drafted as an expendable set of pawns to venture into the vast and bewildering Underworld and retrieve the Nul Rod. With the Underworld's innumerable beasties being on high alert after the prince's expedition, the PCs must sneak through the incredibly dangerous Underworld. Fighting is not as important as stealth, fast-talking, and running away rapidly. This is the expansion from Sholtis's original Operation Unfathomable, released in Knockspell #5 (2011).

Beneath Castle Bergfried lies the vault of the grief-struck Baron – heavily infested with a crystalline virus from the past. Here an adventure party must choose between rival forces that seek to explore the vault and decide the future of the Inside World. ‘Vault of the Mad Baron’ is the second installment in a series of three modules in the Inner World. It can be played as a stand-alone adventure or be added as a small barony to an ongoing campaign. The scenario can be used with Swords & Wizardry or any other early variant of game rules and is suitable for PCs level 2-5. Inside you will find: A 60+ page old-school module with a layout optimized for fast and easy interfacing. An adaptable barony complete with town, castle and dungeon. Unique districts with encounters and sights. 6 major factions fully detailed with headquarter, plans, and missions for the PCs. Detailed description of a castle and associated dungeon levels. Downloadable maps for both players and the Referee. Locations allowing the PCs to travel to another era within the setting. Unique new creatures and magic items.

Three dungeons in one! The party is given a "dimension shifting device" and sets out to explore a 15-area cave, simultaneously occupied by the DEMON CORSAIRS, the remnants of an ASTEROID MINING OPERATION, and the MONASTERY OF TRANQUILITY & TRANSCENDENCE! The three dungeons are presented in three columns, so when the characters shift from one dimension into another, it's easy to find the corresponding area description. For use with old-school or OSR RPG systems. Recommended for character levels 3-4. Published by Eldritch Fields.

(2017 ENNIE Awards Judges' Spotlight Winner!) THE MOST AWESOME ADVENTURE EVER Since the invention of the adventure module, there have only been five adventures that were rated the most awesome, the most epic. Broodmother Sky Fortress leaves them all behind. It’s got these creatures that are half shark. Half elephant. All badass. They fly around in this cloud fortress, wrecking everything in the campaign until the players step up to stop them. It’s all terribly exciting! And all brought to you by none other than the world-famous Arch-Mage of Old-School, Jeff Rients! As an added bonus, we’ve included a Greatest Hits of the ol’ Arch-Mage’s essays and game tools to build your campaign into the unstoppable juggernaut you’ve always wanted it to be. Your game won’t suck anymore! Broodmother SkyFortress: Buying any other adventure is just throwing your money away (includes "3.PF" edition stats by Jukka Särkijärvi because somebody somehow convinced me that would be a good idea back when this thing was being crowdfunded) Writing by Jeff Rients Art by Ian MacLean Graphic Design by Alex Mayo Cartography by Jez Gordon

The abandoned Tower of Ulvarum Orvernus stands atop an asteroid nearly a quarter mile in diameter, located roughly 5 million miles from the planet’s surface. The asteroid maintains Earth-like gravity and a breathable atmosphere, with habitable temperatures. This is all sustained through the harnessed power of a bound Air Elemental and Earth Elemental. If either of these Elementals are freed, the asteroid’s environment will quickly become inhospitable. The PCs may find themselves drawn to the asteroid through a forgotten portal, seeking a way to return home. Alternatively, they might be lured there by rumors of a powerful item or hidden knowledge within the tower’s extensive libraries. A multi-level tower filled with traps and strange encounters including animated armor, alien plant life, giant spiders, and a doppelganger.

This is not a Pay-what-you-want product, it's a DO-what-you-want product. An Overwhelming Sense of Loss - Or, The Occasion Of a Visit Into The Underworld By Way of The Grand Entrance To The Ancient Dwarven Fortress of Thrumi`Zud: SOMETHING brought down the mighty civilization. The sages say it was desperate invaders from below, escaping something even more horrible. Whatever it was, Thrumi`Zud was quickly overwhelmed and sealed, forgotten except in the stories of the old. The vast riches of the fabled Dwarves must surely be hidden within its depths. Perhaps you will be the one to rediscover them. Perhaps there are secrets better left unearthed. Horror lies within. You have been warned. ZH-01 is an adventure module for a party of five 1st through 3rd level adventurers and their henchmen. It has been exactingly designed to fit within almost any campaign milieu and to make running your players through it easy, providing just enough detail to spark your and your player’s imaginations into a wildfire of creative - collaborative - world-building. As long as you respect the OGL license and the Public Domain rules where they apply and the Creative Commons CC-BY 4.0 license where it doesn't, do what you will with this module. The module is yours to play with, change, alter, remix, resell or whatever. Have fun with it, I can't wait to see what you come up with!

An introductory adventure for both new players and Old-School veterans alike. Explore an insect-haunted thieves guild secreted beneath a lighthouse. Claim the loot but beware the Skitterlord! 25 keyed locations Written for the Old-School Essentials (OSE) rule system

“The Lamia’s Heart”: Your party are contracted by the nascent master of an unsanctioned thieves’ guild. To earn his favour, you must steal a singular gem from the mansion of a prominent merchant. Purloining this gem, however, may raise the ire of the city’s official thieves’ guild; notwithstanding, the reward is significant.

A level 1–3 dungeon adventure by Giuseppe Rotondo. The secret workshop of a long-dead jeweler-magician is now open, as his grandson wants the place finally cleared of all dangers. What treasures might remain within, and what might be watching over them? This adventure combines classic dungeon crawl elements with the intrigue of uncovering a magician’s legacy, making it a rich experience for both new and seasoned players. For Old-School Essentials (OSE) Included as one of four adventures in "Old-School Essentials Adventure Anthology 1"

Something fell. A sickly gloaming lit up the night like mock daylight, just for a moment, and then the hills trembled. Now, an alien entity lies brooding in a crater gouged out of the moor. Local folk are enraptured with the toothsome jelly exuded by this being, but are blind to the true nature of the events unfolding in their rustic little backwater.

Far out in the void, an ancient city of vampires endures. Welcome to Araveshti, a city of a thousand towers floating safely in the shadow of the world, glittering with starlight, thrumming with ancient magics, and crawling with vicious immortals. Will you seek to destroy these bloodthirsty aristocrats? Or will you help them pursue their bizarre alchemical experiments in immortality? Or will you simply seek a way to escape their twisted and crumbling paradise? Within these ancient towers, adventurers will find vampire lords and servants, zealots and goliaths, as well as werewolves, mycotic zombies, victims of strange experimentation, fanatical holy knights, tragic vampire hunters in black, shipwrecked dreamers, castaway aliens, metal angels, eldritch horrors, star dragons, and (of course) the vampires' giant dragon-killing mecha suit... This is a dark sandbox. Players will explore a vast city of undead people and monsters in outer space, full of homages to classic horror and science fiction films and literature. ADVENTURE TYPE: Mid Level / Combat / Exploration / Dark Fantasy / Fantasy City / Gothic Horror DESIGN NOTES This adventure is intended for mid-level characters around Level 5-10 Players explore a large vampire city in space, encounter numerous NPCs and monsters, and engage with diverse factions to destroy, conquer, or escape from the city 40+ unique encounter locations, plus countless randomly generated locations 100+ original magic items 40+ original monsters One city map Estimated play time: 1-8 sessions (4-32 hours)

The Drunderry River runs narrow and fast through much of its course, before tumbling into the lowlands beneath the Fallow Hills, in the shadows of the Blacktooth Ridge. From there, the river spreads out across fertile plains, laboring slowly to the south before emptying into the Elmarsh Lake. Until recently this area was unsettled, but a writ of the King's has brought many people to the area. The village of Malforten, nesteld along the banks fo the Drunderry River, near the Fallow Hills, is just such a place. A quiet village with simple people, they learned the hard way the Blacktooth Ridge casts a deep and dark shadow. Seeing rich prizes in cattle and grain, people and other movables, Gritznak the Gnoll has come down from the Blacktooth with loot on his mind. All they've done to drive him off have failed, at their wits end the villagers turn to others, more experienced in combatting evil. They look to a rising knight to save them . . . . Also available for 5E: https://www.drivethrurpg.com/product/160855/A0-The-Rising-Knight--Adventures-for-5th-Edition-Rules

NEVER MEET FORGOTTEN HEROES! Long ago a half-elf, half deer-centaur named Jayne led a small guerilla band against the armies of an evil fae witch. They prevailed at terrible cost. Monsters moved into her hideout-turned-sepulchre, still haunted by Jayne’s ennemies and companions, and a ghost longing to complete his vengeance... Adventurers will discover the fates and true faces of unremembered heres. Will they get out with forgotten riches, or become the latest victims of a centuries-old tragedy? A 39-room OSR dungeon module for character levels 5-7. Designed for use with the Old-School Essentials ruleset, compatible with most old-school pen-and-paper RPGs.

Some time ago, the wind began to sing of death in the Sision River Valley, and if purgatory was a song, Glovakians are now listening to it. The source of this soul-crushing music was tracked to about 90 miles northwest of Ambir. What was found? A massive, oddly built stone tower that wasn't there before. Word quickly spread and the curious set out in droves. Many turned back however, as every passing day the music got worse, but a brave, or foolish few, managed to make camp and eventually go inside. If anyone's made it out, no one really knows, but there's no shortage of rumors as to what's really going on in the place that's come to be known as, Sision Tower. Sision Tower is an OSR styled, vertical dungeon-crawl where the PCs explore an odd domain of Holy origins. Here, they will test their survival skills as well as their Faith. Here, they will meet Saints and Seraphs. Here, in the struggle between Law and Chaos they have to decide.....Plunder??......Sacrifice??......or Both!!! Sision Tower includes: All original black and white art. Over a dozen, fully illustrated, new magic items. Unique monsters and a sample setting. A vertical dungeon-crawl of 35 rooms. A spiritual setting in the same vein as Praise the Fallen. Sision Tower is designed to challenge character levels 3-5 and is easily used with most tradtional fantasy role-play systems.

The dwarves of these mountains are a good and trustworthy folk, friends to both men and elves dwelling in the region. But their ancient homeland hides many secrets that they might otherwise wish forgotten. Recent rumors have surfaced that a long lost dwarven hall has been discovered. There are whispers that the place was once the center of an evil dwarven cult, though the dwarven authorities will say nothing of it. A recently acquired treasure map points to an ancient dwarven tunnel complex. Could this be the place? Are these the dangerous halls that were once the home for a dwarven cult worshipping an entity they called the Earth Dragon? Advanced Adventures #43 The Warrens of Zagash is an OSRIC(tm) module designed for adventurers of 6th to 8th level.

Until about three years ago, the peculiar town of Port Greely was renowned as a prolific exporter of crustaceans. Then the Greely lobstermen severed all ties with outside partners. Subsequent attempts at renegotiation were shunned. More recently, a small group of Fishmongers’ Guild representatives from the City-State of Khromarium has gone missing in Port Greely, and answers have been less than forthcoming. At present, the Guild seeks answers. It wants to know what became of its representatives, and it wishes to re-establish its lucrative partnership with the Port Greely lobstermen. Your party have been contracted to help resolve The Mystery at Port Greely in this swords and sorcery style adventure!

This morning, the forces of Law and Chaos clashed at Castle Yennagor. The battle raged all day, but as darkness fell, a cataclysmic explosion destroyed most of the castle and leveled both armies. Now, as night claims the vale, flickers of life return. Survivors make camp, flee the field, or continue the fight. Scavengers creep over the dead. And one question remains unanswered: what happened inside the castle? This is a dark sandbox adventure. Players take the role of battlefield survivors. They can choose which side they are on (or neither), and they can choose their goal, such as to escape the field with their lives, to plunder the dead, or to reach the castle and finish the mission. ADVENTURE TYPE: Mid Level / Combat / Diplomancy / Battlefield / War / Dark Fantasy / Factions DESIGN NOTES This adventure is intended for mid-level characters around Level 6-7 Players navigate a battlefield full of competing factions and gruesome situations 30 unique encounter locations 70+ original magic items 30+ original monsters One map and multiple illustrations Estimated play time: 1-4 sessions (4-16 hours)

An adventure for 3-4 characters of Levels 3-4 exploring a ruined temple in a deep forest, with new monsters, new magic items, and all new original art. Deep within the Forest of Legressia lies a ruined temple of a long forgotten goddess. This ancient, crumbling temple is rumored to contain an artifact of the faith deep within its bowels, but also to be guarded by a shadowy malevolence. Your party has been tasked with reconnoitering the temple and retrieving the artifact. Great rewards await those courageous (or foolish) enough to delve into the Shadowed Temple of the Forgotten Goddess... https://www.drivethrurpg.com/product/475049/OSR-One-Shot--Shadowed-Temple-of-the-Forgotten-Goddess?src=hottest_filtered The adventure includes: 5 fully fleshed out encounters within the temple. Traps, monsters, riddles, and mysteries abound Four new monsters, two of which are variants of the shadow-bound Umbrathi, charged as guardians of the temple's secrets Harvesting and crafting options, for defeated and destroyed foes A new magical item, the Amulet of Redemption Lore connected with the world, including tie-ins to adventures to come A professional battlemap/sitemap from the superb Silver Compass Maps Incredible orginal artwork from Simon Underwood and Carlos Castilho Map Pack: includes gridded and ungridded versions of both GM maps and player friendly maps. Also includes VTT compatible maps

A level 3 temple incursion adventure by Brad Kerr. In a golden temple of healing on a sundrenched island, blissful amnesiac patients are held prisoner by monstrous caretakers. Intruding PCs will need their wits and their swords to unravel the temple’s secrets, snatch its treasures, and escape. For Old-School Essentials (OSE) Included as one of four adventures in "Old-School Essentials Adventure Anthology 1"

Deep in the wooded wilderness, the village of Grimmsgate is an outpost town on a seldom-traveled trail, right at the edge of nowhere. The village’s half-ruined temple of Law, dilapidated inn, drunken blacksmith, exiled trader and a few fur-trappers are enough to keep the bloody-minded denizens of the dark forest at bay, but nobody really expects the village to still be there in another ten years. The woods have become too dangerous for the trappers who once caught animals for fur, and merchants no longer travel the poorly-maintained road. What great evil and what fabulous treasures are to be found in these lands? A brave band of adventurers might make their fortunes here. Or perhaps they might never return… Grimmsgate is an introductory adventure for the Swords & Wizardry tabletop roleplaying game. The Swords & Wizardry rules are needed to play this adventure.