Night Below: An Underdark Campaign
Tags: aboleth, derro, drow, kuo-toa, megadungeons, mind flayers, Underdark
TSR: AD&D 2 (1995 Box)

The Ruins of UnderMountain
Tags: megadungeons
TSR: AD&D 2 (1991 Box)
Twenty-First Century Games: AD&D 2 (2000 Box)

The Ruins of UnderMountain II: The Deep Levels
Tags: megadungeons
TSR: AD&D 2 (1994 Box)

Castle of the Mad Archmage
Tags: Castle of the Mad Archmage, megadungeons
BRW Games: Adventures Dark and Deep 1 (2014 )
BRW Games: Adventures Dark and Deep 1 (2014 Hardcover)

The Caverns of Thracia
Tags: megadungeons
Judges Guild: D&D / Original 1 (1979 )

The Mines of Khunmar
Tags: megadungeons
Self-published: D&D / Original 1 (2004 PDF)

ASE1: Anomalous Subsurface Environment
Tags: 1st level, 2nd level, Earth, megadungeons
Henchman Abuse: D&D / OSR 1 (2011 )
Henchman Abuse: D&D / OSR 1 (2011 )

ASE2-3: Anomalous Subsurface Environment
Tags: 2nd level, 3rd level, 4th level, Earth, megadungeons
Henchman Abuse: D&D / OSR 1 (2012 )
Henchman Abuse: D&D / OSR 1 (2012 )

Castle of the Mad Archmage
Tags: Castle of the Mad Archmage, megadungeons
Olde School Role Playing Games: D&D / OSR 1 (2009 PDF)
Olde School Role Playing Games: D&D / OSR 1 (2010 PDF)

R1: Rappan Athuk: The Dungeon of Graves: The Upper Levels
Tags: megadungeons
Necromancer Games: d20 3 (2001 )

R2: Rappan Athuk 2: The Dungeon of Graves: The Middle Levels
Tags: 7th level, megadungeons
Necromancer Games: d20 3 (2001 )

R3: Rappan Athuk 3: The Dungeon of Graves: The Lower Levels
Tags: megadungeons
Necromancer Games: d20 3 (2002 )

The World's Largest Dungeon
Tags: megadungeons
AEG: d20 3 (2004 Hardcover)

Castle Whiterock
Tags: megadungeons
Goodman Games: d20 3.5 (2007 Box)

Caverns of Thracia
Tags: megadungeons
Necromancer Games: d20 3.5 (2004 )

The Dungeons of Castle Blackmoor
Tags: megadungeons
Zeitgeist Games: d20 3.5 (2006 )

Rappan Athuk Reloaded
Tags: megadungeons
Necromancer Games: d20 3.5 (2006 Box)

Poster Map - Rappan Athuk Side View
Tags: megadungeons
Frog God Games: Generic 1 (2012 Looseleaf)

Rappan Athuk Custom Dice Set
Tags: megadungeons
Frog God Games: Generic 1 (2012 Pack)

Rappan Athuk Player's Guide
Tags: megadungeons
Frog God Games: Generic 1 (2012 )

Rappan Athuk: Battle Maps
Tags: megadungeons
Frog God Games: Generic 1 (2012 )

Rappan Athuk: Battle Mat
Tags: megadungeons
Frog God Games: Generic 1 (2012 Looseleaf)

Rappan Athuk: Button - "I Went Down the Well"
Tags: megadungeons
Frog God Games: Generic 1 (2012 Pack)

Rappan Athuk: GM Screen
Tags: megadungeons
Frog God Games: Generic 1 (2012 Pack)

Dungeon Full of Monsters
Tags: megadungeons
Red Box Vancouver: Labyrinth Lord 1 (2017 )
Red Box Vancouver: Labyrinth Lord 1 (2017 Hardcover)

Stonehell Dungeon
Tags: dungeons, dungeons, megadungeons, one page dungeons, Stonehell Dungeon
The Society of Torch, Pole and Rope: Labyrinth Lord 2 (2009 )

Castle of the Mad Archmage
Tags: Castle of the Mad Archmage, megadungeons
BRW Games: Pathfinder 1 (2014 )
BRW Games: Pathfinder 1 (2014 Hardcover)

Cyclopean Deeps #1 - Down to Ques Querax
Tags: megadungeons, Rappan Athuk
Frog God Games: Pathfinder 1 (2012 )

Cyclopean Deeps #2 - Eye of the Titan
Tags: megadungeons, Rappan Athuk
Frog God Games: Pathfinder 1 (2012 )

Dungeon of the Graves Bestiary
Tags: megadungeons
Frog God Games: Pathfinder 1 (2012 )

Rappan Athuk
Tags: megadungeons
Frog God Games: Pathfinder 1 (2012 Hardcover)
Frog God Games: Pathfinder 1 (2012 Hardcover)

Rappan Athuk: Level 7B - Caves and Caverns of the Ancient Gods (Limited Edition)
Tags: megadungeons
Frog God Games: Pathfinder 1 (2012 )

Cyclopean Deeps #1 - Down to Ques Querax
Tags: megadungeons, Rappan Athuk
Frog God Games: Swords & Wizardry 1 (2012 )

Cyclopean Deeps #2 - Eye of the Titan
Tags: megadungeons, Rappan Athuk
Frog God Games: Swords & Wizardry 1 (2012 )

Dungeon of the Graves Bestiary
Tags: megadungeons
Frog God Games: Swords & Wizardry 1 (2012 )

Rappan Athuk
Tags: megadungeons
Frog God Games: Swords & Wizardry 1 (2012 Hardcover)
Frog God Games: Swords & Wizardry 1 (2012 Hardcover)

Rappan Athuk Notes
Tags: megadungeons
Frog God Games: Swords & Wizardry 1 (2012 )

Rappan Athuk Pregenerated Characters
Tags: megadungeons
Frog God Games: Swords & Wizardry 1 (2012 )

Rappan Athuk: Level 7B - Caves and Caverns of the Ancient Gods (Limited Edition)
Tags: megadungeons
Frog God Games: Swords & Wizardry 1 (2012 )