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: Lair (Click to make random). or choose:
Starting Area: 
Rectangle, 80 x 20ft., with row of pillars down the middle; two passages leading from each long wall, doors on each short wall
Description
Noises: Thumping
Air: Clear and damp
Odors: Putrid
Purpose: Workshop for the construction of weapons, armor, tools, and other goods
Current state: Ashes, contents mostly burned
Contents: Random Event (or empty room)
Possible feature: Dripping blood; Cobwebs; Dampness, wall
Possible furnishings: Chair, plain; Cabinet; Bucket
(Religious) Possible furnishings: Altar; Vestments, Robes
(Mage) Possible furnishings: Side chairs; Side chairs; Vestments
Possible personal items: Fork; Lamp or lantern; Awl
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:
10 ft. / Leads to: 
Continue straight 20ft., then the passage turns right and continues 10ft.3rd Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead4th Passage Width:
20 ft. / Leads to: 
Continue straight 30ft., no doors or side passages
Doors
Door: Wooden / Leads to: 
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Extra doors (if necessary):
Door 2: Wooden / Leads to: 
Chamber
Door 3: Stone / Leads to: Chamber
Door 4: Wooden / Leads to: Chamber
Door 5: Wooden / Leads to: Chamber
Door 6: Stone, barred or locked / Leads to: 
Passage 20 ft. straight ahead
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions: 
Rectangle, 30 x 40 ft.
Number of exits: 1
Exit locations: Wall right of entrance /
Exit types: Door /
Description
Purpose: Latrine or bath
Current state: Furniture wrecked but still present
Contents: Random Trick
Possible feature: Cobwebs; Rags; Cracks, ceiling
Possible furnishings: Pipe (large cask, 105 gallons); Chair, plain; Screen
(Religious) Possible furnishings: Columns or pillars; Bells, Altar
(Mage) Possible furnishings: Offertory container; Font; Candelabra
Possible personal items: Soap; Vial; 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: Down one level to a passage 20ft. long
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Ash
Book, Scroll, or Tome: Grammar workbook
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Recover from a battle
Personality: Rabble; poorly trained and easily rattled.
Random Hazards
Hazard: Green slime (Drops from above. DC 10 Dex, 1d10 acid damage, damage each round until removed. Nonmagical wood, metal weapon or tool used to remove is destroyed. Destroyed by sunlight, cure disease, cold, fire, or radiant)
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Wall of force blocks passage
Random Traps
Trigger: Moved (cart, stone block)
Severity: Setback (DC 11, +3 to-hit)
Effect: Pendulum, either bladed or weighted as a maul, swings across the room or hall
| 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: Stone obelisk
Effect: Teleports characters to another place
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., chris wilson, Christopher Allbritton, CJMAXP, Connor, Dalton Elliott, Damon Carrington, Daniel Edwards, Darrya Keshvari, David Schraff, Dragons With Jetpacks, Elisa Martinez, eric sun, Ezzela1891, Federica Frezza, Gordon Alexander Fallon, Gundar Wez, Iofire, Irate The Pirate, Ivee Quinn, Jade Arrowood, Jake Lane, Jeremiah Walker, Jess, Joe Dalby, John Nazario, JollyGamer, Jonathan Lekse, Jordan Brazeal, Josh Braden, 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 Price, 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!
