The carcass of a gigantic sea monster is now a small dungeon... Gargantuel was a gigantic sea monster (a whale? a prehistoric serpent? the Kraken? Leviathan itself?). She used to roam the high seas, destroying ships and devouring everything. Some of the people she swallowed survived in her belly. One of them, the sailor Torsti Seppänen, actually managed to turn the place into a comfortable habitat. One day, Gargantuel passed away. Her body now lies out in the open, luring the carrion-eater, the curious, the foolish. Strange creatures and artifacts await in the mounds of decaying flesh, and the insane Torsti Seppänen will do everything to defend his “home” from intruders. Statted for Lamentations of the Flame Princess, usable with any OSR type game. Hosted by eldritchfields.blogspot.com

Once a powerful proponent of Law, the Archmage Tazimack the Red was eventually driven mad by a fear of mortality. As he slipped into insanity his retirement home began to reflect the chaotic bent of his mind. Long after Tazimack’s unnaturally animated body has disintegrated, his manor house remains as a shadow cast by a twisted intellect. Can the characters bring order to this chaos?

With the rising of the Blood Moon, the accursed abode of the Blood King returns to this world. The lord of all vampires comes to claim the blood that is owed to him. His halls contain treasures and secrets that would make any ambitious adventurer abandon reason and caution to seek them out. Will you risk your soul for gold and glory in the Halls of the Blood King?

A 20-page adventure for OSE Save the wizard! A sunken cathedral on a quiet mountain lake hides a long forgotten temple to Mathanoga, God of Knowledge and wizardry. Abandoned by Man for centuries , but protected by the legend of man-eating fishmen lurking in it. Or until a few weeks ago the young wizad Elric embarked on its expedition. With help from the accademy of Greykeep he found the temple and began to explore it, hoping to uncover its ancient magical secrets. Now the wizard is missing and the accademy has put a bounty on its head: its weight in silver to whoever will find him and bring him home alive and well. Find magical secrets! Deep inside the temple are stashed many magical items, all sacred to the fishmen dwelling there, all worth dying for. Save Elric and the treasures will be yours! The Sunken Temple is an expert level Old School Essentials adventure for a party of 1-4 players. Perfect for a one shot or a random encounter in an hex crawl.

"Barrow of the Elf King" is an evocative and intricate adventure module, specifically tailored for a party of 3-4 level one adventurers using "The Vanilla Game" rule set. This adventure delves into the mystical and eerie depths of an ancient barrow deep within the Old Forest, a place shrouded in darkness and mystery. It offers an experience that combines puzzles, combat, moral choices, and exploration, all set within a hauntingly atmospheric setting. "Deep in the Old Forest, where the trees grow tall and thick, where the sun rarely pierces the canopy, is an earthen mound. No birds sing in this part of the forest, no wind blows. The leaves of the trees seem larger, the canopy thicker. Even at mid-day, it is almost too dark to see" The HTML web version is free.

Prison of the Hated Pretender is an introductory adventure for 4-6 characters levels 0-1. Originally published on the Dungeon of Signs blog, it is a short drop-in location-based adventure with a couple of interesting puzzles, a lack of "book" monsters, implacable foes with an obvious weakness, and a very weird roleplaying opportunity. The new 2020 edition republished by Hydra Collective adds suggested guidance for new Dungeonmasters who grew up with 5th edition and don't know how old-school works. Stats for both BECMI and 5th edition, and setting neutral (though there are some implied things about the history of the world).

An old-school dungeon adventure! Explore (and possibly claim and re-open) an abandoned gem mine. 8 pages, 16 rooms, weird monsters, eerie situations, arcane technology and iridescent jewels! For use with old-school or OSR RPG systems.

One page adventure, one page map. A necromancer desiring to increase her undead army has unleashed a zombie horde on a remote village. Patch, one-eyed dog of Duff the blacksmith, survived the village massacre which turned most of the inhabitants into zombies. The dog lost his eyepatch in the confusion. If a Speak with Animals or similar spell is used or if a character can read animal emotions well, Patch may tell the location of some of the zombies and the massacre's survivors. Adventure hooks included. Published by Wicked Cool Games

Designed to remedy the lack of "end game" content for Old School-style gaming, The Dreams of Ruin is a setting-neutral adventure supplement aimed at characters of level 12 to 16. The material can be used with groups from level 8 to max level (and beyond, if the system supports ascent to divinity for high-level character). Capable of challenging even the most experienced players and most powerful characters, The Dreams of Ruin are an unforgettable addition to any high-level campaign. But beware! The dreams are mighty and can overwhelm even fearsome warlords and powerful wizard-kings. One touch of them, and your campaign world will never be the same.

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

This adventure is more of a classic dungeon crawl, themed around the accidentally terrifying dreamscape of an elven girl trapped in a nightmare of her own making. The dungeon shifts and exits move about as the party explores, making each run through the dungeon a unique experience and allowing for infinite replays of the same adventure.

A museum of the Mad Archmage, it contains curiosities and treasures from all over the multiverse, and the challenges of the Watery Caves, which are a series of living caves connected by an underground river. This adventure can be used as an expansion to the Castle of the Mad Archmage mega-dungeon adventure, or as a stand-alone adventure. Published by BRW Games

"Enter a garden of earthly delights. The sun has stopped setting over the king's favorite garden. It seemed like a harmless curiosity at first but the animals have turned violent and strange alien beings have appeared. The duke has placed a bounty for enterprising sell-swords to end the curse of endless daylight. Hideous Daylight is an adventure module for Old-School Essentials, Cairn, and compatible with other pen-and-paper RPGs with old-school sensibilities. Player characters will navigate a 20 point hex crawl to end the strange curse affecting the land. An adventure for low-level characters. 33 pages of non-linear, character driven adventure in the OSR tradition. Two keyed dungeons and a 20 point hex-crawl. A bucolic fantasy setting easily insertable into fantasy RPG campaigns. Dangerous new monsters, weird magic items, and an unpredictable random encounters table. Features two gazebos."

“Rats in the Walls”: A dockside tavern in Khromarium is plagued by rats of a most unusual breed. These abominable rodents have ruined the tavern keeper’s business and his life. The man is desperate, and he offers a substantial reward for the elimination of his horrific problem.

The manor of Willowby Hall is under siege by a giant, enraged at the theft of his magical goose. The band of thieves has taken shelter within the manor's crumbling walls, cowering with their ill-gotten poultry as the building shakes itself apart. But something else is stirring. The giant's rampage is slowly awakening a Death Knight from its black slumber, and once it rises it will call on the bones of the manor's old residents to drive out the intruders. Will the party loot the manor of its ancient relics, or succumb to the blades of its skeletal guardians? Who will make off with the goose and its golden eggs? Will anyone survive the giant's onslaught? The only way to find out...is to play.

The Red Bastion - the prison of a dwarf ghost princess... A 15-room dungeon for levels 2-3.

The ancient world of Harth withers beneath its dying sun…but it’s not dead yet. Welcome to the strange and dangerous city of Carcassay, huddled below the skeleton of a titan rat, sprawling above the ruins of countless dead civilizations. This is where folk come to find wealth, power, revenge, secrets, oblivion… and everything in between. Carcassay is a sandbox city adventure. There are many locations to explore in, around, and under the city. Players can explore any place at any time, and may radically reshape the city’s politics, economy, religions, and physical existence. There are standard dungeons stacked under the city, and GMs are encouraged to keep adding more dungeons… all the way down. Tone. It leans more toward low fantasy or sword-and-sorcery. Most shops look like real shops. Most people look like real people. But strange and horrible things lurk everywhere as soon as you start to scratch the surface. This is my Lankhmar. Carcassay is a vast, bizarre city. It has over 100 locations where you can meet Chaos cultists, Lawful knights, retired adventurers, shopkeepers, brewers, musicians, artists, scientists, hermits, royalty, beggars, doctors, space vampires, eldritch horrors, machine priests, crab colonists, mushroom farmers, mummies, assassins, and diplomats from distant lands… and the moon. And every one of them has goods or services to sell, and a quest (or three) to offer. What sort of quests? Fetch a relic, assassinate a rival, find a relative, steal a soul, implant an agent, cure a disease, stop a riot, solve a murder that hasn’t happened yet, hunt a thief, locate a shrine… the list goes on. And for every Quest, there is a specific Reward: money, weapons, relics, Chaos mutations, exclusive memberships, information, Angelic miracles… the list goes on. This is a place where you can make a lot of money, but also where you can spend that money on interesting goods and services. Factions? We have a few. Seven Chaos cults, five knightly orders, two mercenary companies, four wealthy families, six (seven!) Corpse Lords, foreign diplomats, rival innkeepers, rival tavern owners, plus all the dungeon-delving gangs currently mucking about underground. When you grow weary of all the adventures at ground level, there are three classic dungeons buried under the city to explore. This book contains months (if not years) of campaigning. Enjoy the Chaos.

Baron Ketterall’s lands are beset by a plague of marauding goblins! Goblins you say? Pah! Who's afraid of few poxy goblins? But two experienced parties have already gone looking for the goblin lair – never to be heard of again. Poxy goblins you say? Be afraid, be very afraid… The scenario is designed to be an extremely challenging adventure that might undermine a player’s bravado in dealing with low-level monsters such as goblins. Unusual traps, tricks and special weapons are used by the inhabitants of the dungeon to cause the party as much trouble as possible. Published by Dunromin University Press.

A unique skill-challenge focused adventure on a perilous cliff wall! A rift descending adventure where certain doom is mere inches away at any given moment.

In the flooded temple is hidden a great treasure, and the adventures are in race to get there first, but the ancient temple is the home of Death's Messenger and several cults each with their own agenda. Will the adventurers survive or be dragged off to the lands of the dead? The Flooded Temple is a low-level OSR adventure based on the greatest RPG ever written as system agnostic and easily adapted to your favorite version. The adventure was originally written for the Danish Living Campaign The Hinterlands, and it is for the first time presented in English. The adventure introduces the players to a different tradition of adventures, and it one with a focus on exploration and encountering the unknown. The adventure contains several new items to entertain your players, and several challenges for them to overcome as they encounter the residents of the abandoned temple. The Flooded Temple also have a prequel, Tomb of the Dragon's Heart, and a sequel, Grave of the Heartless. Published by Greis Games.