"Something Fishy" - a Celtic-world campaign. "Iasc" is set in a small Celtic kingdom that can be fit into any medieval/fantasy campaign. The PCs need not be Celts. The likelihood of combat is very high, and the party is recommended to host several warriors.
A missing mage... A ruthless band of kidnappers... A sinister conspiracy... Night Below, the first epic campaign adventure for the AD&D game, is designed to take the player characters from 1st level to 10th level and beyond. The PCs start as beginning adventures on a routine courier mission who soon become drawn into combating a sinister plot that menaces the pleasant land of Haranshire.
Your magic user friend has had his spellbook taken by marauding bugbears. He, and by extension you, are tasked by his mentor to recover the tome. Now you must track the goblinoids across the maze like hill country to find his stolen book. Pgs. 9-24 of Polyhedron #28
Far above the village of Barovia sits Castle Ravenloft, the home and fortress of vampire lord Strahd Von Zarovich. Legends claim that Strahd flies with the bats and runs with the wolves to terrorize the countryside. Ancient tales also tell of dungeons and catacombs deep under the castle. Other stories recall the great halls, treasures, and glory of Ravenloft in centuries past. "House of Strahd" is a revision of the classic gothic horror tale I6: Ravenloft, one of the most popular adventures ever produced for the AD&D game. This version is updated for the AD&D 2nd Edition rules, and those from the Ravenloft campaign set. Count Strahd is now more powerful, and his castle is even more terrifying! TSR 9418
Looks can lie as well as words. Magical minotaurs? Mutant giants? Vampires? One or more of these is preying upon the caravans, and you're going to stop them. A band of ogre magi took over an abandoned dwarven stronghold and have started ambushing merchant caravans. Their leader, Krugii, wants to gain enough power to eventually control a kingdom. In his quest for power, he has bonded a young bronze dragon and has accelerated its growth. The ogre mages all have different personalities and different forms that they prefer to polymorph into. The PCs are hired to take a caravan through Deception Pass and protect it against the random monsters that have been marauding lately (actually ogre mages in disguise). After protecting the caravan, the players track the attacks back to the stronghold of the ogre magi and clear it out. Pgs. 40-62
TSR 9375, from 1992
If you save only one kidnapped daughter this year, save this one. Rescuing maidens is a dirty job, but - you know the rest. On the road, the PCs encounter the aftermath of an attack on a small merchant caravan. The PCs must find and return Zenobia, the merchant's daughter. To do this, they must track, locate, and confront the unknown raiders while keeping the Zenobia's safety in mind. Pgs. 4-19 & 34
Who is the dying woman? Where is the lake that can save her? Even ladies in distress aren't all that they seem. Ideally, there should be at least a cleric, a magic-user, and a ranger in the party. Pgs. 11-18
A remote village/community in a conflict-ridden region of the Pomarj called Newtemple faces an invading army that mysteriously leaves it untouched. The local temple of Pelor (the sun god) appears to be the reason for this protection. The PCs are hired or tasked with investigating why the enemy forces spare the settlement—something feels off about the "protection."
The King is dead! And the queen is in trouble. She has chosen you to find the fabled heartstone, which is buried somewhere deep in the Mountains of Ice. Is the gem I the hands of the corrupt Master Thief? Has he harnessed its powers for his own vile purposes? Or does it lie unguarded in the frozen ranges to the north, which teem with horrible creatures? This is your kind of quest! Quest for the Heartstone is a combined wilderness/dungeon adventure designed to be compatible with the Advanced Dungeons & Dragons Action Toys from LJN Toys, Ltd. and the Advanced Dungeons & Dragons Fantasy Adventure Figures from TSR, Inc. The adventure also includes complete maps, new monsters and players' illustrations. Will the heartstone be the key to peace in the kingdom? By her majesty's request... it's up to you to find out! TSR 9114
Never try to catch a falling star. A bad seed has been planted in the dark soil of Ravenloft, and now it's time to harvest the crops. A comet has fallen from the sky outside of the town of Delmunster, and the people of this sleepy little village are changing in ways their families cannot explain. The players are on the clock to find the comet and stop its influence on the town. For every day the players take to solve the mystery, another townsperson falls under the sway of the comet. A story heavy influenced by a certain horror movie about pod people. Pgs. 48-68
Two head-strong sisters and a dying giant all have something in common: they need help only adventurers can give. It seems there's this little problem. Included in I13 Adventure Pack I - https://www.adventurelookup.com/adventures/i13-adventure-pack-i TSR 9202
While travelling across the ocean by ship, the party is attacked at night by by the infamous Floating Rock bugbears. What makes this band of pirates unique is their lair: they live on the shell of a gargantuan sleeping sea turtle as it drifts around in the ocean current. Pgs. 24-26
Wherein the Heroes step through a Portal to find themselves in a Location Most Foul, from which they make their Entrance into the infinite Planes of Adventure. Chapter I of the "Well of Worlds" adventure anthology. Pgs. 8-23 TSR 2604
The legacy of Dr. Frankenstein lives on as the handiwork of a rash young scientist responds in an unexpected manner. An angry lover and an evil monster. The party must stop this monster before he kills the young lovers.
A scenario for a single player taking the role of Moonstone, a 3rd-level elf caught up in an Arabian Nights adventure - no Dungeon Master required! It's also possible to use one of your own D&D characters, or even an AD&D fighter/magic-user.
En garde! "Go away, or I shall taunt you a second time!" A duchess recruits the party to deal with a monstrosity. Pgs, 60-67
Sail beyond the realm of the living. The wages of sin is sometimes worse than death. "The Vaka's Curse" is a short AD&D adventure for two PCs. The adventure is set entirely on board a ship, so it can occur whenever the PCs take a sea voyage. At least one PC should possess a silver or magical weapon. Pgs. 8-13 & 70
"The southlands of Eor are being despoiled. Merchants will no longer run their caravans on the main highway past the quiet village of Waycombe. The peasants are fleeing their lands, and all are demanding protection from the powerful Count of Eor. The goodly count has sent a troop of his trusted fighters to exterminate the brigands believed responsible for these outrages, but weeks have passed, and still there is no word from this force. Now John Brunis, Count of Eor, has turned to you for aid. After taking counsel with the High Priest of Eor, he believes that a small party of cunning, bold adventurers may succeed where armed might has failed. You find yourselves faced with many mysteries! Why has robbery suddenly erupted in the peaceful southlands? How could mere brigands be as powerful as the foes described to you by their numerous victims? Is this really mere robbery? Or is there some truth to the rumors, told only in hushed whispers, about the beginnings of a hideous plot being hatched by an ancient, vile, and evil foe of all mankind?" Eor is beset by marauders and lizardmen of a boldness not seen in years. Hired by the Count of Eor, the party is tasked with tracing the source of these foes and eliminating them for the safety of the realm. After a set piece combat in Count Brunis's castle, the party must trek across Eor's wilderness, eventually coming to the Great Southern Swamp beyond the village of Waycombe. With further exploration they can locate the Ancient Temple which serves as the tomb and stronghold of Sakathas, the vampiric LIZARD KING! TSR 9055
This module is especially for a party of elven PCs, level 8+. The Feadiel clan's Tree of Life is dying. As the bravest and strongest elves in the clan, you must undertake the challenge of the elders: seek out the source of the disease and destroy it. If you fail, the Tree of Life will surely perish, and all your family with it. The quest is great and you may die on the journey, never to find the cause of the disease. The journey will take you to the deepest part of ancient Selinar, Elvenhome, to find the guarded grave of the first Treekeeper... TSR 9166