Random Dungeon Generator
Looking for a full map? Try the Dungeon Map Generator
Randomly generate parts of a dungeon on the fly, pieces are modular and fit together so you can even generate an entire dungeon this way. If you're generating from scratch, begin with a starting area and then add random doors and passages. Passages can connect to other passages, and should continue to be generated until they're all linked to doors, rooms, or dead-ends. Refresh to generate new things. You can also drag and drop pieces onto the grid map to build as you go.
Jump to a section:
- Dungeon Start
- Passages
- Doors
- Chamber (Rooms)
- Stairs
- Contents
- Monster
- Random Hazards
- Random Obstacles
- Random Traps
- Random Tricks
Dungeon Start
Dungeon Type: Stronghold (Click to make permanent). or choose:
Starting Area: Passage, 10 ft. wide; T intersection
Description
Noises: Footsteps to the side
Air: Foggy or misty and cold
Odors: Dank or moldy
Purpose: Dining room for intimate gatherings or informal meals
Current state: Rubble, ceiling partially collapsed
Contents: Monster (random creature)
Possible feature: Dampness, wall; Leaves and twigs; Cobwebs
Possible furnishings: Sofa; Wall basin and font; Hogshead (large cask, 65 gallons)
(Religious) Possible furnishings: Thurible; Rail, Stand
(Mage) Possible furnishings: Bells; Mosaic; Lamp
Possible personal items: Food; Twine; Ewer
Passages
Passage Width: 10 ft. / Leads to:
Continue straight 20ft., side passage to the left, then an additional 10 ft. ahead
Extra passages (if necessary):
2nd Passage Width:


3rd Passage Width:


4th Passage Width:


Doors
Door: Wooden / Leads to: Chamber
Extra doors (if necessary):
Door 2: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the left
Door 3: Wooden / Leads to: Passage 20 ft. straight ahead
Door 4: Portcullis / Leads to: Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 5: Portcullis / Leads to: Chamber
Door 6: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the left
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions: Rectangle, 40 x 50 ft.
Number of exits: 1
Exit locations: Wall opposite entrance /
Exit types: Corridor, 10ft. long /
Description
Purpose: Banquet room for hosting celebrations and guests
Current state: Furniture wrecked but still present
Contents: Random Event (or empty room)
Possible feature: Dried blood; Mold (common); Ashes
Possible furnishings: Pedestal; Pallet; Chest of drawers
(Religious) Possible furnishings: Gong; Columns or pillars, Altar
(Mage) Possible furnishings: Mosaic; Altar; Holy or unholy writings
Possible personal items: Ear spoon; Wool; Fork
Stairs
Stairs connect multiple floors of a dungeon. If your dungeon doesn't have multiple floors, then reroll the passage or door that spawned them.
Stair Type: Shaft (with or without elevator) up one level to a chamber and down one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Fibers
Book, Scroll, or Tome: Book of heraldry
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek wealth
Personality: Rabble; poorly trained and easily rattled.
Random Hazards
Hazard: Brown mold (Frigid temperature. DC 12 Con, 4d10 cold damage, half on save. Immune to fire, causes it to expand. Destroyed by cold)
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Cave-in
Random Traps
Trigger: Opened (door, treasure chest)
Severity: Dangerous (DC 15, +7 to-hit)
Effect: Thunderwave knocks characters into a pit or spikes
Damage | |
---|---|
Level 1-4: | 2d10 |
Level 5-10: | 4d10 |
Level 11-16: | 10d10 |
Level 17-20: | 18d10 |
Random Tricks
Tricks are quirky and less deadly than a trap. Some tricks are permanent, others can be dispelled with Dispel Magic.
Object: Glass sculpture
Effect: Casts geas on the characters
Shout outs: Stacey, HilloDark, Brian Tanner, Serafina Moon, Thomas Spence, Armand Desharnais, Trev909, Bob Goode, TODD RICHARD, Iofire, Caitlin W., Damon Carrington, Mario Pizzamiglio, Phil Mehl, Wesley Muncy, elijah D. maben, R., bruschkin, thea musing, Brian Nunziato, Matt Yates, Elisa Martinez, Ryan Flagg, Jade Arrowood, Angelo Anderson, Syn21, Dave Walker, Jonathan Lekse, Katie White, JollyGamer, Tiernan Greenman, Burlyfighter, Gillian Tolbert, David R Abbott, Rick Marsh, Brittany DeNicholas, Phillip Hash, Amanda Kettles, Lou Bliss, Sik Makoyi, Pythor Sen, Bryson Waits, Desedent, Irate The Pirate, Mark L, AstroLass, Lizzie, Michael Hamilton, Vedie V, Mylon Schroder, Nathan, Jordan Florez, Robert Rich, Robin Ellis-Foster, Jess, Lars Yell, Zee Livezey, Kevin, Kerry Melton, SallySparrow132, J, Millergendraft, Federica Frezza, Nick Soucy, Jeremiah Walker, Bryan Sheairs, chris wilson, Max Hops, Sarah Holland, Joshua David Maddox, Jennifer Smith, Liz Fontain, Ray Bissonnette, Joe Dalby, Matt Price, Nicholas Zamora, ShortyMcgibble, Mr. Vinclair, mtnman1979@aol.com, KFB_Patreon, eric sun, Gundar Wez, Nahellion, That Video Editor Nic, bilbens baggo, Stuart, Brysen Packer, Maxwell Mayer, Thobek, XMrMonkyx ., Miss Zilla M, Jordan Brazeal, Kyle Clark, Jake Lane, Phillip P Torchia, Stefan Gottschalk's, Remora Jewel, Connor, jeremy baisch, Daniel Edwards, Zealot23, Shane Andrews, Brandon Mußiq, CJMAXP, Festus, Lisa Tucker, KingHavok1217, Mx Charlie, Justin Snyder, Keaton Permenter, Zachary Burgess-Hicks, Steve Rosenlund, Ezzela1891, John Nazario, Gordon Alexander Fallon, zachary gee, Jason Clark
Their contribution stands as a beacon of hope for all adventurers!