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:
Circle, 40ft. diameter; one passage in each cardinal direction; well in middle of room (might lead down to lower level)
Description
Noises: Ringing
Air: Clear and damp
Odors: Putrid
Purpose: Guardroom
Current state: Furniture wrecked but still present
Contents: Empty room with
Stairs (if not multi-level then reroll)
Possible feature: Guano; Dampness, wall; Wood pieces, rotting
Possible furnishings: Table, trestle; Fireplace and wood; Butt (huge cask, 125 gallons)
(Religious) Possible furnishings: Kneeling bench; Candles, Incense burner
(Mage) Possible furnishings: Pews; Altar; Robes
Possible personal items: Kettle; Tureen; Wig
Passages
Passage Width:
10 ft. / Leads to:
Continue straight 30ft., no doors or side passages
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to:
Continue straight 20ft.; passage ends in a door3rd Passage Width:
10 ft. / Leads to:
Continue straight 20ft., door to the left, then an additional 10 ft. ahead4th Passage Width:
10 ft. / Leads to:
Continue straight 20ft., side passage to the left, then an additional 10 ft. ahead
Doors
Door: Wooden / Leads to:
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Extra doors (if necessary):
Door 2: Secret door, barred or locked / Leads to:
Chamber
Door 3: Wooden / Leads to:
Chamber
Door 4: Wooden / Leads to: False door with trap
Door 5: Wooden / Leads to:
Chamber
Door 6: Wooden, barred or locked / Leads to:
Chamber
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions:
Square, 50 x 50 ft.
Number of exits: 1
Exit locations: Wall opposite entrance /
Exit types: Door /
Description
Purpose: Bedroom for a supervisor or manager
Current state: Furniture wrecked but still present
Contents: Monster (pet or allied creature)
Possible feature: Cobwebs; Pole, broken (5 ft. long); Dung
Possible furnishings: Pallet; Fireplace and wood; Keg (small barrel, 20 gallons)
(Religious) Possible furnishings: Brazier; Vestments, Holy or unholy writings
(Mage) Possible furnishings: Statue; Altar; Vestments
Possible personal items: Scroll; Twine; Needle(s)
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: Strands
Book, Scroll, or Tome: Diary
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek wealth
Personality: Braggart; makes a show of bravery but runs from danger.
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: 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: Opened (door, treasure chest)
Severity: Dangerous (DC 14, +8 to-hit)
Effect: Collapsing staircase creates a ramp that deposits characters into a pit at its lower end
| 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: Statue
Effect: Contains an imprisoned creature
Shout outs: Stacey, Adam Fowler, Amanda Kettles, Angelo Anderson, Appreciate Witch of Life, AstroLass, bilbens baggo, Brian Nunziato, Bryan Sheairs, Brysen Packer, Bryson Waits, Burlyfighter, Caitlin W., Christopher Allbritton, CJMAXP, Connor, Dalton Elliott, Damon Carrington, Daniel Edwards, David Schraff, Dragons With Jetpacks, Elisa Martinez, eric sun, Ezzela1891, Federica Frezza, Gordon Alexander Fallon, Gundar Wez, Iofire, Irate The Pirate, Jade Arrowood, Jake Lane, Jeremiah Walker, Jess, Joe Dalby, John Nazario, JollyGamer, Jonathan Lekse, Jordan Brazeal, Joshua David Maddox, Justin Snyder, Kerry Melton, Kevin, KFB_Patreon, KingHavok1217, Kingyo Senpai, Kyle Clark, Lisa Tucker, Liz Fontain, Lizzie, Lou Bliss, Luke P, Mario Pizzamiglio, Mark L, Matt Yates, Max Hops, Maxwell Mayer, Michael Hamilton, Millergendraft, mtnman1979@aol.com, Mx Charlie, Mylon Schroder, Nahellion, Nathan, Nicholas Zamora, Nick Soucy, Phil Mehl, Phillip P Torchia, Pythor Sen, R., Rachel Anderson, Ray Bissonnette, Remora Jewel, Robert Rich, Robert Skadsem, Ryan Flagg, SallySparrow132, Sarah Holland, Serafina Moon, Shane Andrews, ShortyMcgibble, Sik Makoyi, Siren, Stefan Gottschalk's, Steve Rosenlund, Stuart, Syn21, That Video Editor Nic, thea musing, Trev909, Vedie V, Vincent Drone, Warren Clarida, Wesley Muncy, XMrMonkyx ., Zachary Burgess-Hicks, zachary gee, Zealot23, Zee Livezey
Their contribution stands as a beacon of hope for all adventurers!

