Publisher's blurb:
The Dyson MegaDelve...started as a “small” megadungeon and gradually evolved into a 30-map monstrosity.
User summary:
The Dyson MegaDelve includes these named maps:
The Mushroom Cave
Under the Mushroom Cave
The Goblin Caves
The Rat-Folk Tunnels
The Cannibal Cave
Lost River Cave (East)
Lost River Cave (West)
Lost River Cave (South)
Under the Lost River Temple
The Morlock Retreat
The Ogre Base
The Marble Hall
The Hall of Bronze
Dwarven Crypts
Venomous Hall
The Iron Halls
Gates of the City
The Mithril Hall
The Hematite Mines
The Thunder Mines
The Flooded Mines
Lost River
Home of the Muck Dwellers
The Water Temple
Dwarven Outpost
Giant Citadel – North
Giant Citadel – South
The Crypts
The Death Cult
The Necropolis of Bryn Mynnyd
The Harpy Tower
And these die-drop tables:
Wandering Monster Table for The Mushroom Cave
Wandering Monster Table for Under the Mushroom Cave
A level connection schematic and a large isometric, complete megadungeon map also are available.
Many of the maps are available in a few different formats.
N.B. These are unkeyed, but evocative, maps.