Hunt for the Thessalhydra is a short adventure published by Wizards of the Coast as a tie in to the "Stranger Things" franchise and part of the Stranger Things Dungeons & Dragons Starter Set. The adventure features characters, locations, and monsters inspired by that series. The adventure is suitable for characters of level 3-5.

Listen up! You're in my dungeon now, Morty! On Earth C-141, I'm a LEGENDARY D&D adventure writer! When people think of impossibly difficult dungeons or winding, labyrinthine maps, those things ain't Gygaxian - they're SANCHEZIAN! I do whatever I want over there, and they eat it up! I'm a celebrity Dungeon Master there, too! My livestreamed show, Cynical Troll, gets a billion views a day! It seemed a little selfish to contain all that GREATNESS to a single dimension, so I lifted one of the all-time favorite Sanchezian adventures and snuck it back here to dimension C-132. (Usually that kind of s**t is frowned upon, but it's just a D&D adventure. We're not exactly violating the Prime Directive or whatever.) This is a good old-fashioned dungeon crawl for a party of 1st-level adventurers, whose character sheets in this box should also contain. They'll probably reach 3rd level by the end of it. So here it is. This adventure brought peace to a warring galaxy. What did you ever do? Oh, you picked up this adventure? Good start. And awaaaay we go!

Part 2 of the "The Devil We Know" campaign arc. Cassomir's Locker is a Pathfinder Society Scenario designed for 1st to 7th level characters (Tiers: 1–2, 3–4, and 6–7). The Pathfinder Society dispatches you to the catacombs called Cassomir's Locker to find the source of a rat cult breeding monstrous vermin. After clearing Cassomir's dank sewers and delving into the dirty dungeons below, will you find the artifact that powers Cassomir's Locker or bring about the destruction of Taldor's most important port?

The ruined siege castles outside Absalom have long beckoned adventurers looking to make a name for themselves. Now an earthquake has cracked open one of these fabled ruins, and its lost mysteries and fantastic treasures lie exposed for the first time in centuries. But the tower's empty halls once more echo with living footfalls, and a new master has claimed the Fallen Fortress as his own.

Synopsis: A swamp village is plagued by swarms of insects; several villagers have died from it. It turns out that the local herbalist is actually a vampire who takes the form of a swarm of mosquitoes. Talk to villagers and get rumors, visit the herbalist, suffer through some dreams, get ambushed by the herbalists minions, chase him into the basement to kill him and rescue the villagers. The mosquito vampire and, maybe, the role play involved in convincing the villagers to dig up the graveyard (to find empty coffins filled with sand!) should be fun. The rest of this is pretty simple.

Somewhere ogre the rainbow.... You and your fellow humanoids are going to be diplomats! Can you say "disaster?" I knew you could. This module is made for humanoid monster PCs created with GAZ10 (The Orcs of Thar Gazetteer). That module is required to play through this adventure. The players start in the village of Flooshpragh, which acts as the horde center for the Rude Mongrel tribe of goblinoid races. Unknown to the players, the tribe has grown unmanagebly large, and the chief has marked the players as expendable individuals! Many subtle clues exist throughout the module to clue the players into this betrayal. The adventure proceeds through a town with roleplaying opportunities, a tower dungeon, and finishes by the players unknowingly pranking a human wizard. Pgs. 50-64

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.

Warchief Grog Bloodloaf has sounded the horn of war. Elf scum have stolen orc lands and the tasty halfling herds. For generations the Maggotsmasher Clan has watched and waited from the icy caves of the frozen mountains but that wait is over. Warchief Bloodloaf needs only the totem of leadership, the Dragon Crown of Durge Maggotsmasher, to unite the clans and begin his war. Five misfits have answered the call to brave the Caves of Throllorat and return with the crown. With a little luck, these five maggots will kill a few of the beasts within Throllorat before dying, making it easier for real warriors to complete the quest. The Misfit Maggot Five is a comdedic adventure where five rejects from the Maggotsmasher Clan are called upon to retrieve the famed Dragon Crown of Durge Maggotsmasher from the dreaded caves of Throllorat. Each of the characters are fully developed with their own unique personality that will give any Dungeons and Dragons group hours of laughs! The Misfit Maggot Five is a 5th edition comedy adventure for 2nd level monstrous humanoid characters. Published by The Pickled Dragon Press

Hidden deep within The Reaching Woods is a swamp grotto known to the locals of Hardbuckler as Whiskaway Wood. The townsfolk know to keep their distance from this place as few make it back. If they do, they come bearing toxic diseases that place the entire town in jeopardy. This is the situation the town is dealing with when the adventurers come knocking on the outer gates of Hardbuckler. In this adventure, the party must go forth into the swamp in search of Rotwood Maggie, a hag priestess of Talona who calls Whiskaway Wood her home. She possesses information on how the adventurers may go about saving the town, but her secrets don’t come cheap. In addition, some of the information she possesses may leave the adventurers questioning whether the town deserves to be saved at all. Features a disorienting swamp dungeon bolstered by several new magic items, creatures and diseases! Be sure to check out the full preview of the adventure when you visit the page!

The waters of a sunless sea meet a pebble-strewn shore, beyond which opens a wide Underdark vista shimmering with pale cave-light. Titanic columns as big as castles march miles into the misted distance. The wide, steeply sloping base of the nearest colossal column is carved with streets, walls, and elaborate structures, many with gaping, empty windows. A few glimmer with faint illumination. Are you brave enough to explore the spire-city and face the terrors that lurk within? Part 2 of the Barrow of the Forgotten King series. Followed by Fortress of the Yuan-ti.

"When the adventurers decide to help a man who has lost his memory, little do they realize he’s Gethirah Kugothan, the notorious anti-paladin! Can the man they know as “Michael” leave his evil past behind and become a champion of good? The answer lies in Gethirah’s former stronghold, a magnificent castle perched atop a waterfall." - Christopher Perkins From the magazine: "The Forgotten Man" is an AD&D adventure designed for 4-5 PCs of levels 6-8 (about 35 total levels)... This adventure focuses on Gethirah Kugothan (also known as Michael), a formerly evil man whose memory has since taken up residence in a church of the god of rebirth and renewal. The premise of the adventure hinges on the possibility that such a man can be turned from the path of evil and become good. The main goal of the PCs is to keep Gethirah from becoming the man he used to be.

This module was originally used for the AD&D Tournament at Origins '79. Your party is lost! You should never have abandoned the ship and struck out into the marshes, but your pursuers were closing on your trail, and it seemed the only way. Stumbling onward through the fens, your party makes for higher ground ahead. As you cross the ridge, you see a clearing before you. There in an ancient ruin - a worn and overgrown pyramid fills the courtyard, shining in the moonlight, seeming almost brighter than the moon itself. TSR 9032

Welcome to Assault on Gumdrop Mountain. This is designed to be a fairly tough adventure for 5th and 6th level Dungeons and Dragons characters using the 5th edition of rules. In it, the characters wade into such nasty circumstances that only the assistance of a hallucinogenic elixir makes it possible for them to act at full capability. While under the effects of the drug, the characters perceive the world as a candy-infused landscape and monsters as sugary assailants. The adventure is broken into 9 fairly small chapters containing one significant event or a connected series of small events.

Jack Mooney owner of the "Jack Mooney & Sons" Circus. Wants to hire the PCs to capture a great cave bear with a brilliant golden coat.

A ruined monument to folly and ego, the Shadowed Keep stands atop an isolated bluff deep in a mist-wreathed forest. Sacked by marauding goblins decades ago the place was thought abandoned, but shadows now creep among the forest's great boles and footprints have appeared on the single, overgrown track leading to the keep. Travellers have begun to disappear with alarming regularity from the nearby road and the local folk fear some slumbering evil has claimed the ruin as its own. Dare you brave the terrors of the Shadowed Keep to crush that which lurks within or will darkness shroud the surrounding lands? Designed to be easily inserted into a GM's home campaign, Shadowed Keep on the Borderlands is an excellent starting locale to test the mettle of neophyte adventurers. Shadowed Keep on the Borderlands is designed for the medium advancement track. 1st-level PCs completing all the challenges of the place can expect to reach 3rd-level by the time they have exhausted all the keep has to offer.

Two centuries ago, the last king of the celtic kingdom of Pellham was deposed in favor of a High Council. Now, however, things are going badly, and a restless populace longs for the days of the ancient kingship. The High Council is floundering - and the political situation is turning ugly. It was then that the Brothers of Brie, and obscure monastic order, discovered a long-forgotten prophecy. In Pellham's time of greatest need, a long-dead king will rise to restore order. You have been chosen to prove that this is the time of the prophecy. You will take the first steps toward returning the lost king to the throne. This adventure contains the first four rounds of the AD&D OPEN Tournament that was originally run at GEN CON XVI Convention. It includes a tournament scoring system and a team of 10 characters of levels 4-7. This adventure can be played alone or as the first part of the two-part PROPHECY OF BRIE series. TSR 9107

Laveth, Lolth's half drow daughter, is plotting to seize power from her chaotic evil mother.

For 1000 years, the Pyramid of Amun-re has lain undisturbed. Now the ghost of the once-great Pharaoh pleads with adventurers to venture into his tomb, foil the devious traps within, and free his soul. A classic dungeon crawl, with mazes and quality lore. No one has ever returned from the tomb of Amun-re: his Star Gem must still lie unclaimed! You will need all your cunning, imagination, strength and magic -- just to survive! TSR 9052

Enjoy your trip. The monsters certainly will. Your best foot forward could well be your last. This isn't so much an adventure as a short encounter in the woods. Pgs. 38-39 & 54

Undermountain: The Caverns of the Many-Legged is an adventure detailing a hidden mini-level for Dungeon of the Mad Mage for characters of levels 12-13. It uses some of the story and lore of that book, but it can be incorporated or dropped into any setting or homebrew campaign. In a hidden part of Undermountain, former slaves feed their fat, monstrous queen who is fixated on revenge. A broken drow house has finally found a place to call home – only to become abominations. And a massive beast slithers, hunting for anything to satiate its hunger and quell its madness. Welcome to the Caverns of the Many-Legged. Which side, if any, will adventurers choose as they explore this hidden mini-level for Dungeon of the Mad Mage? In this adventure, you will find: a mini-level that can be easily incorporated into Dungeon of the Mad Mage a vivid cast of unique monsters and NPCs, including chitine warriors, a choldrith queen, a spellcasting draegloth, a mad yuan-ti anathema, and others (stat blocks provided for all creatures not in the Monster Manual) locations that could be used or adapted elsewhere, such as a chitine colony and a drider-controlled drow fortress a combination of roleplay, exploration, and combat encounters