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: Passage, 10ft. wide; four-way intersection
Description
Noises: Scuttling
Air: Clear and damp
Odors: Stale
Purpose: Guardroom for the defense of the lair
Current state: Ashes, contents mostly burned
Contents: Monster (pet or allied creature) guarding treasure found in behind furniture
Possible feature: Dampness, wall; Rope, rotten; Iron bar, bent and rusted
Possible furnishings: Sofa; Crate; Barrel (40 gallons)
(Religious) Possible furnishings: Incense burner; Kneeling bench, Tripod
(Mage) Possible furnishings: Holy or unholy symbol; Kneeling bench; Vestments
Possible personal items: Flagon, mug, or tankard; Flask or jar; Statuette or figurine
Passages
Passage Width: 40ft., with pillars / Leads to:
Chamber
Extra passages (if necessary):
2nd Passage Width:


3rd Passage Width:


4th Passage Width:


Doors
Door: Wooden / Leads to: Stairs (if not multi-level then reroll)
Extra doors (if necessary):
Door 2: Wooden / Leads to: Passage 20 ft. straight ahead
Door 3: Wooden / Leads to: Passage 20 ft. straight ahead
Door 4: Stone / Leads to: Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 5: Portcullis / 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: Square, 50 x 50 ft.
Number of exits: 4
Exit locations: Wall opposite entrance / Wall right of entrance / Same wall as entrance / Wall opposite entrance /
Exit types: Corridor, 10ft. long / Door / Door / Door /
Description
Purpose: Trophy room or museum
Current state: Furniture wrecked but still present
Contents: Monster (dominant inhabitant)
Possible feature: Dust; Teeth or fangs, scattered; Hammer head, cracked
Possible furnishings: Hassock; Blanket; Urn
(Religious) Possible furnishings: Bells; Statue, Lectern
(Mage) Possible furnishings: Idol; Incense burner; Lamp
Possible personal items: Ladle; Basket; Tinderbox (with flint and steel)
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: Biography
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Conquer the dungeon
Personality: Joker; taunts its enemies.
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: Wall of fire blocks passage
Random Traps
Trigger: Stepped on (floor, stairs)
Severity: Dangerous (DC 15, +6 to-hit)
Effect: Fire shoots out from wall, floor, or object
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: Book
Effect: Creates a force field
Shout outs: Stacey, mike richard, Brian Tanner, Serafina Moon, Thomas Spence, Armand Desharnais, Trev909, Bob Goode, TODD RICHARD, Iofire, Caitlin W., Damon Carrington, Mario Pizzamiglio, Phil Mehl, Wesley Muncy, elijah D. maben, R., bruschkin, Vincent Drone, thea musing, Brian Nunziato, Matt Yates, Elisa Martinez, Ryan Flagg, Jade Arrowood, Angelo Anderson, Syn21, Dave Walker, Jonathan Lekse, Katie White, JollyGamer, Tiernan Greenman, Burlyfighter, David R Abbott, Rick Marsh, Brittany DeNicholas, Amanda Kettles, Lou Bliss, Sik Makoyi, Pythor Sen, Bryson Waits, Desedent, Irate The Pirate, Mark L, Siren, AstroLass, Lizzie, Michael Hamilton, Vedie V, Mylon Schroder, Nathan, Jordan Florez, 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, Jennifer Smith, Packratt, Liz Fontain, Ray Bissonnette, Joe Dalby, Matt Price, Nicholas Zamora, ShortyMcgibble, Mr. Vinclair, mtnman1979@aol.com, KFB_Patreon, eric sun, Gundar Wez, Nahellion, That Video Editor Nic, bilbens baggo, Stuart, Brysen Packer, Maxwell Mayer, Thobek, XMrMonkyx ., Miss Zilla M, Jordan Brazeal, Kyle Clark, Jake Lane, Phillip P Torchia, Stefan Gottschalk's, Remora Jewel, Connor, jeremy baisch, Daniel Edwards, Zealot23, Shane Andrews, Brandon Mußiq, CJMAXP, Festus, Lisa Tucker, KingHavok1217, Mx Charlie, Justin Snyder, Zachary Burgess-Hicks, Steve Rosenlund, Ezzela1891, John Nazario, Gordon Alexander Fallon, zachary gee, Jason Clark
Their contribution stands as a beacon of hope for all adventurers!
