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: Mine (Click to make permanent). or choose:
Starting Area: 
Square, 20 x 20ft.; passage on each wall
Description
Noises: Giggling (faint)
Air: Clear and warm
Odors: Chlorine
Purpose: Guardroom
Current state: Ashes, contents mostly burned
Contents: Monster (pet or allied creature)
Possible feature: Dust; Dust; Dust
Possible furnishings: Pallet; Cresset; Desk
(Religious) Possible furnishings: Robes; Prayer rug, Statue
(Mage) Possible furnishings: Candles; Drum; Robes
Possible personal items: Tureen; Vial; Pouch
Passages
Passage Width: 
10 ft. / Leads to: Diagonal passage to the right for 30 ft (or straight then turn right).
Extra passages (if necessary):
2nd Passage Width:
40ft. wide, 20ft. high, gallery 10ft. above floor allows access to level above / Leads to: 
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead3rd Passage Width:
10 ft. / Leads to: 
Chamber4th Passage Width:
40ft. wide, 20ft. high, gallery 10ft. above floor allows access to level above / Leads to: 
Continue straight 30ft., no doors or side passages
Doors
Door: Secret door / Leads to: Chamber
Extra doors (if necessary):
Door 2: Wooden / Leads to: Chamber
Door 3: Stone / Leads to: Chamber
Door 4: Wooden / Leads to: Chamber
Door 5: Secret door, barred or locked / Leads to: Chamber
Door 6: Wooden / Leads to: Chamber
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions: 
Octagon, 60 x 60 ft.
Number of exits: 1
Exit locations: Wall right of entrance /
Exit types: Door /
Description
Purpose: Laboratory used to conduct tests on strange minerals extracted from the mine
Current state: Ashes, contents mostly burned
Contents: Dungeon hazard with incidental treasure found in a small secret room
Possible feature: Mold (common); Cobwebs; Bottle, broken
Possible furnishings: Pillow; Bench; Quilt
(Religious) Possible furnishings: Lamp; Tripod, Vestments
(Mage) Possible furnishings: Brazier; Tripod; Drum
Possible personal items: Pipe, smoking; Vase; Comb
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: Down one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Liquid, thin
Book, Scroll, or Tome: Novel
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Find a sanctuary
Personality: Bully; refuses to believe it can lose.
Random Hazards
Hazard: Shrieker
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Flooding leaves 2d10 ft. of water in the area; create nearby upward-sloping passages, raised floors, or rising stairs to contain the water
Random Traps
Trigger: Looked at (mural, arcane symbol)
Severity: Setback (DC 11, +5 to-hit)
Effect: Spears (possibly poisoned) spring out
| Damage | |
|---|---|
| Level 1-4: | 1d10 |
| Level 5-10: | 2d10 |
| Level 11-16: | 4d10 |
| Level 17-20: | 10d10 |
Random Tricks
Tricks are quirky and less deadly than a trap. Some tricks are permanent, others can be dispelled with Dispel Magic.
Object: Pool of water
Effect: Creates an illusion
Shout outs: Stacey, Dante Dixon, Dragons With Jetpacks, 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, 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
Their contribution stands as a beacon of hope for all adventurers!
