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: Temple or shrine (Click to make random). or choose:
Starting Area: 
Square, 20 x 20ft.; passage on each wall
Description
Noises: Buzzing
Air: Clear and damp
Odors: Earthy
Purpose: Workshop for repairing or creating weapons, religious items, and tools
Current state: Used as a campsite
Contents: Monster (dominant inhabitant) guarding treasure found in a secret compartment
Possible feature: Dung; Hair or fur; Helmet, badly dented
Possible furnishings: Stool , high; Cask (40 gallons); Butt (huge cask, 125 gallons)
(Religious) Possible furnishings: Offertory container; Tripod, Lamp
(Mage) Possible furnishings: Pipes, musical; Whistle; Shrine
Possible personal items: Oil, cooking; Candle; Twine
Passages
Passage Width: 
10 ft. / Leads to: 
Continue straight 20ft., then the passage turns right and continues 10ft.
Extra passages (if necessary):
2nd Passage Width:
30 ft. / Leads to: 
Stairs (if not multi-level then reroll)3rd Passage Width:
10 ft. / Leads to: 
Continue straight 30ft., no doors or side passages4th Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead
Doors
Door: Wooden / Leads to: 
Passage 20 ft. straight ahead
Extra doors (if necessary):
Door 2: Wooden / Leads to: 
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 3: Stone, barred or locked / Leads to: 
Chamber
Door 4: Wooden / Leads to: False door with trap
Door 5: Secret door, barred or locked / Leads to: Chamber
Door 6: Wooden / Leads to: False door with trap
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions: 
Square, 20 x 20 ft.
Number of exits: 1
Exit locations: Wall opposite entrance /
Exit types: Corridor, 10ft. long /
Description
Purpose: Robing room containing ceremonial outfits and items
Current state: Rubble, ceiling partially collapsed
Contents: Monster (random creature) guarding treasure found in a secret compartment
Possible feature: Dripping blood; Torch stub; Damp ceiling
Possible furnishings: Shrine; Statue; Cask (40 gallons)
(Religious) Possible furnishings: Holy or unholy writings; Offertory container, Cloth, altar
(Mage) Possible furnishings: Statue; Incense burner; Cloth, altar
Possible personal items: Flask or jar; Towel; Pouch
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: Splinters
Book, Scroll, or Tome: Letter
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek wealth
Personality: Cowardly; looking to surrender.
Random Hazards
Hazard: Spiderwebs (DC 12 Dex or restrained. DC 12 Athletics or Acrobatics to escape. AC 10, 15 HP, fire vulnerability, immunity to bludgeoning / piercing / psychic)
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Chasm 1d4 x 10 ft. wide and 2d6 x 10ft. deep, possibly connected to other levels of the dungeon
Random Traps
Trigger: Moved (cart, stone block)
Severity: Dangerous (DC 12, +6 to-hit)
Effect: Symbol
| 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: Tapestry or rug
Effect: Locks or unlocks exits
Shout outs: Stacey, Kingyo Senpai, John Driggers, Warren Clarida, Brian Rivers, Luke P, David Schraff, Ivee Quinn, Rachel Anderson, Serafina Moon, Thomas Spence, Armand Desharnais, Trev909, Bob Goode, Josh Braden, Iofire, Caitlin W., Damon Carrington, Mario Pizzamiglio, Phil Mehl, Wesley Muncy, R., Vincent Drone, thea musing, Robert Skadsem, Matt Yates, Elisa Martinez, Ryan Flagg, Jade Arrowood, Angelo Anderson, Syn21, Dave Walker, Jonathan Lekse, JollyGamer, Tiernan Greenman, Burlyfighter, David R Abbott, Rick Marsh, Brittany DeNicholas, Amanda Kettles, Lou Bliss, Sik Makoyi, Pythor Sen, Bryson Waits, Irate The Pirate, Mark L, Siren, AstroLass, Lizzie, Michael Hamilton, Vedie V, Mylon Schroder, Nathan, Robert Rich, Jess, Zee Livezey, Kevin, Kerry Melton, SallySparrow132, Millergendraft, Federica Frezza, Nick Soucy, Jeremiah Walker, Bryan Sheairs, chris wilson, Max Hops, Sarah Holland, Joshua David Maddox, Packratt, Liz Fontain, Ray Bissonnette, Joe Dalby, Matt Price, Nicholas Zamora, ShortyMcgibble, Mr. Vinclair, mtnman1979@aol.com, KFB_Patreon, eric sun, Christopher Allbritton, Gundar Wez, Nahellion, That Video Editor Nic, bilbens baggo, Stuart, Brysen Packer, Maxwell Mayer, XMrMonkyx ., Miss Zilla M, Jordan Brazeal, Kyle Clark, Jake Lane, Phillip P Torchia, Stefan Gottschalk's, Remora Jewel, Dalton Elliott, Connor, jeremy baisch, Daniel Edwards, Zealot23, Shane Andrews, Brandon Mußiq, CJMAXP, Lisa Tucker, KingHavok1217, Mx Charlie, Justin Snyder, 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!
