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

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 level 9+ hex-crawl adventure by D. M. Wilson and Sarah Brunt. A portal leads adventurers to a comet of fire and ice hurtling through the void of space. Can they survive prehistoric beasts, warring factions, and the comet’s impending doom, to find priceless treasures and a way home? For Old-School Essentials (OSE) Included as one of four adventures in "Old-School Essentials Adventure Anthology 1"

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"

The Dreaming Caldera involves the players infiltrating a volcano teeming with monsters that are intent on constructing a chaos god. The players must navigate through the hostile environment, disrupt the monstrous activities, and ultimately prevent a catastrophic event. 27 keyed locations Written for the Old-School Essentials (OSE) rule system

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.

The Golem Master, creator of pricey artificial servants, hasn’t been seen around for some time. His house stands dark and silent. Dare you enter?

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.

Stonehell Dungeon: Into the Heart of Hell is the long-awaited sequel to Stonehell Dungeon: Down Night-Haunted Halls. This book contains the final levels of the megadungeon, revealing its most terrifying secrets. It contains almost 600 dungeon rooms for the players to explore, more than 70 unique monsters to challenge them, and 13 new magical items to mystify them. Stonehell Dungeon is a classic-style megadungeon intended for use with the Labyrinth Lord™ role-playing game, but adaptable to early versions of the original fantasy role-playing game and its retro-clones. It gives the game master the necessary information to run the dungeon, while offering enormous opportunities to customize the site. Published by Three-Headed Monster Games.

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.

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).

Strange doings are underfoot in the wild hills bordering the realm of decent and civilized folks. Villagers and cattle have gone missing; woodcutters have disappeared; misshapen beings have been seen shuffling through the forests. Some brave villagers have tracked a group of stolen oxen as far as the rocky banks of a small river in the hills. The trail disappeared down into a fissure in the limestone rock, where a fast-running stream plunges down to the dark caverns below. Gird your loins, stand behind the dwarf, and get ready to face The Pod-Caverns of the Sinister Shroom!

Farms in the hamlet of Winterton are being raided at night. Who, or what, is doing the raiding is a mystery. Animals have disappeared and now a visiting merchant has gone missing. The only clue is a blood drenched hat sitting in the snow along a stretch of road. Blood in the Snow is intended as a small side-adventure set in Winter, in a tiny village in the Bay of Spirits. A desperate clan of goblins are raiding the settlement and the player characters have been asked, or hired, to help. Published by Roan Studio

Old-School Essentials Adventure A hole in an old oak tree leads characters down to a maze of twisting, root-riddled passageways, the chambers of an ancient wizard-complex, and the banks of an underground river where once a reptile cult built their temples. A classic expedition into the Mythic Underworld for characters of 1st to 2nd level. 60 keyed areas, rumour table, loot summary, dungeon background info, suggestions for expanding the dungeon. Keyed in a quick-reference, bullet point format. Unlabelled map included for VTT use. The Hole in the Oak can be linked with The Incandescent Grottoes to form a large, 3 level dungeon with over 115 keyed encounter areas!

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).

Dreams of the sleeping wizard seep into reality. Manifest familiars war over the fate of a remote islet. An infinite garden houses an escaped experiment. The god of purity is fooled for his blessings. Into the nightmare we go. 16 pages contain 3000+ words describing 10+ keyed areas to explore (complete the wandering monsters table), 10+ friends and foes to talk to, 10 magic items to use, and thousands of gold worth of treasure to plunder. The adventure is designed for B/X, or like-systems. It is suitable for 4 to 6 characters of levels 1 to 3. It is heavily inspired by the dungeon synth album The Sleeping Wizard by Umbría, which may serve as a soundtrack.

Morgansfort: The Western Lands Campaign is the first published campaign setting for the Basic Fantasy Role-Playing Game. This module includes a brief description of the Western Lands: A campaign adventure area consisting of the remnants of a once-great empire, a pair of important free cities, and a vast wilderness territory, plus Morgansfort, a detailed "home base" for adventurers set in the western lands. Also included are three adventures designed for a part of new player characters, comprising a total of six dungeon levels: The Olde Island Fortress: a two-level dungeon environment suitable for beginning adventurers, located near Morgansfort. The Nameless Dungeon: a three-level dungeon designed to be a bit more challenging. The Cave of the Unknown: a one-level dungeon filled with strange monsters led by a fearsome master. This campaign module combines: The Western Lands, a briefly sketched campaign area; Morgansfort, a detailed "home base" for an adventuring party; The Old Island Fortress, a two level dungeon suitable for beginning adventurers; The Nameless Dungeon, a tough three level dungeon; and The Cave of the Unknown, a dungeon controlled by an evil magic-user. This campaign module is highly suitable for starting a new group, even a group of new players. Published by basicfantasy.org

An adventure for starting characters When vicious bandits waylay a caravan bound for an outpost on the edge of civilization, the player characters are the only survivors, trapped and lost in a hostile wilderness. If they would live to see another day, they must learn to work together and discover the people they might one day become. This adventure is designed for a group of starting characters and is especially suited to new players. Published by Schwalb Entertainment.

Thunder and quake have come to the old town. Towers crumble, homes tumble, the quick become the dead. What omen could be more obvious? The Pharaoh Fish under the mountain is displeased. This God must be propitiated. Brave heroes must venture to buy the city's salvation. At the very least, the Town Council needs to appear in control and send some 'expert adventurers' into the depths. A fantasy pointcrawl adventure for characters of 5th to 6th level. Local town, 17 pointcrawl regions, dungeon inside the Pharaoh Fish. Pointcrawl mechanics for Old-School Essentials. Keyed in a quick-reference, bullet point format. Unlabelled map included for VTT use.

A millennium has passed since the Green Death swept across Hyperborea. In that bygone age of pestilence, a noble family fled the City-State of Khromarium. Far beyond the walls of the city, they entombed themselves in order to elude the inescapable plague. Their necromancer placed them in a deep slumber from which they never wakened. Also he summoned a mythical serpent to guard the vault, a beast reputed to shed gems for tears from eyeless sockets. Tales speak of this beast as the Sightless Serpent. Now, a knave of Khromarium claims to have witnessed the legendary beast. For a pittance he will lead your party to its trail in this swords and sorcery style adventure