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 permanent). or choose:
Starting Area:
Square, 20 x 20ft.; door on two walls, passage in third wall
Description
Noises: Scuttling
Air: Clear and damp
Odors: Metallic
Purpose: Latrine or bath
Current state: Ashes, contents mostly burned
Contents: Random Trap protecting treasure found in an illusion
Possible feature: Mold (common); Wood pieces, rotting; Bones
Possible furnishings: Brazier and charcoal; Stand; Charcoal
(Religious) Possible furnishings: Idol; Offertory container, Robes
(Mage) Possible furnishings: Prayer rug; Screen; Throne
Possible personal items: Dish; Bowl; Mirror
Passages
Passage Width:
10 ft. / Leads to:
Continue straight 20ft.; passage ends in a door
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to:
Continue straight 30ft., no doors or side passages3rd Passage Width:
20 ft. / Leads to:
Chamber4th Passage Width:
10 ft. / Leads to: Diagonal passage to the left for 30 ft (or straight then turn left)
Doors
Door: Secret door, barred or locked / Leads to: False door with trap
Extra doors (if necessary):
Door 2: Stone, barred or locked / Leads to:
Chamber
Door 3: Portcullis, locked in place / Leads to:
Chamber
Door 4: Stone / Leads to: Diagonal (or turn) Passage 20 ft. to the right
Door 5: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the left
Door 6: Wooden / 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:
Square, 30 x 30 ft.
Number of exits: 1
Exit locations: Wall right of entrance /
Exit types: Door /
Description
Purpose: Latrine or bath
Current state: Used as a campsite
Contents: Monster (random creature)
Possible feature: Leather boot; Cobwebs; Ashes
Possible furnishings: Barrel (40 gallons); Rug (small or medium); Couch
(Religious) Possible furnishings: Votive light; Thurible, Lamp
(Mage) Possible furnishings: Robes; Lamp; Cassocks
Possible personal items: Parchment; Kettle; Bottle
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 two levels to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Leaves
Book, Scroll, or Tome: Map or atlas
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Hide from enemies
Personality: Braggart; makes a show of bravery but runs from danger.
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: Chasm 1d4 x 10 ft. wide and 2d6 x 10ft. deep, possibly connected to other levels of the dungeon
Random Traps
Trigger: Looked at (mural, arcane symbol)
Severity: Dangerous (DC 13, +6 to-hit)
Effect: Vent releases gas: blinding, acidic, obscuring, paralyzing, poisonous, or sleep-inducing
| 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: Runes engraved on wall or floor
Effect: Prevents movement
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!

