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: Square, 20 x 20ft.; door on two walls, passage on third wall, secret door on fourth wall
Description
Noises: Music
Air: Clear and damp
Odors: Manure
Purpose: Guardroom for the defense of the lair
Current state: Furniture wrecked but still present
Contents: Dungeon hazard with incidental treasure found in a loose stone
Possible feature: Pole, broken (5 ft. long); Ashes; Food scraps
Possible furnishings: Couch; Armoire; Statue
(Religious) Possible furnishings: Pews; Whistle, Tripod
(Mage) Possible furnishings: Lectern; Candles; Altar
Possible personal items: Wool; Ear spoon; Basket
Passages
Passage Width: 10 ft. / Leads to:
Continue straight 30ft., no doors or side passages
Extra passages (if necessary):
2nd Passage Width:


3rd Passage Width:


4th Passage Width:

Doors
Door: Secret door, barred or locked / Leads to: Stairs (if not multi-level then reroll)
Extra doors (if necessary):
Door 2: Stone, barred or locked / Leads to: False door with trap
Door 3: Wooden / Leads to: False door with trap
Door 4: Secret door / Leads to: Chamber
Door 5: Wooden / 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: Rectangle, 40 x 50 ft.
Number of exits: 6
Exit locations: Wall opposite entrance / Wall opposite entrance / Wall right of entrance / Wall left of entrance / Wall opposite entrance / Wall right of entrance /
Exit types: Door / Corridor, 10ft. long / Door / Door / Door / Corridor, 10ft. long /
Description
Purpose: Bedroom, for use by leaders
Current state: Ashes, contents mostly burned
Contents: Random Trap
Possible feature: Mold (common); Stones, small; Helmet, badly dented
Possible furnishings: Bed; Pail; Couch
(Religious) Possible furnishings: Shrine; Stand, Idol
(Mage) Possible furnishings: Font; Stand; Cloth, altar
Possible personal items: Kettle; Statuette or figurine; Book
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: Bones
Book, Scroll, or Tome: Contract
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Slay a rival
Personality: Fanatic; ready to die fighting.
Random Hazards
Hazard: Shrieker
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Cave-in
Random Traps
Trigger: Looked at (mural, arcane symbol)
Severity: Setback (DC 11, +5 to-hit)
Effect: Collapsing staircase creates a ramp that deposits characters into a pit at its lower end
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: Plant or tree
Effect: Creates a force field
Shout outs: Stacey, Dragons With Jetpacks, Kingyo Senpai, Warren Clarida, Luke P, David Schraff, Rachel Anderson, Serafina Moon, Trev909, Iofire, Caitlin W., Damon Carrington, Mario Pizzamiglio, Phil Mehl, Wesley Muncy, R., Vincent Drone, thea musing, Brian Nunziato, Robert Skadsem, Matt Yates, Elisa Martinez, Jade Arrowood, Angelo Anderson, Syn21, Dave Walker, Jonathan Lekse, JollyGamer, Burlyfighter, 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, 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 ., Jordan Brazeal, Kyle Clark, Jake Lane, Phillip P Torchia, Stefan Gottschalk's, Remora Jewel, Dalton Elliott, Connor, Daniel Edwards, Zealot23, Shane Andrews, 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!
