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 in third wall
Description
Noises: Tapping
Air: Clear and damp
Odors: Sulfurous
Purpose: Throne room where the lair's leaders hold court
Current state: Pool of water; chamber's original contents are water damaged
Contents: Random Trick
Possible feature: Wood pieces, rotting; Pottery shards; Cracks, ceiling
Possible furnishings: Couch; Quilt; Loom
(Religious) Possible furnishings: Chimes; Statue, Idol
(Mage) Possible furnishings: Pipes, musical; Shrine; Cassocks
Possible personal items: Horn, drinking; Wool; Washcloth
Passages
Passage Width: 10 ft. / Leads to:
Continue straight 20ft., door to the left, then an additional 10 ft. ahead
Extra passages (if necessary):
2nd Passage Width:


3rd Passage Width:


4th Passage Width:


Doors
Door: Secret door, barred or locked / Leads to: Chamber
Extra doors (if necessary):
Door 2: Wooden, barred or locked / Leads to: False door with trap
Door 3: Wooden / 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: Square, 20 x 20 ft.
Number of exits: 3
Exit locations: Same wall as entrance / Wall right of entrance / Wall left of entrance /
Exit types: Corridor, 10ft. long / Corridor, 10ft. long / Corridor, 10ft. long /
Description
Purpose: Banquet room for important celebrations
Current state: Used as a campsite
Contents: Monster (pet or allied creature)
Possible feature: Hammer head, cracked; Dripping blood; Leather boot
Possible furnishings: Pegs; Chair, padded, or divan; Chair, plain
(Religious) Possible furnishings: Vestments; Brazier, Screen
(Mage) Possible furnishings: Vestments; Robes; Idol
Possible personal items: Tinderbox (with flint and steel); Brush; Coffer
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: Semiliquid suspension
Book, Scroll, or Tome: Travelogue for an exotic land
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek an item in the dungeon
Personality: Greedy; wants treasure.
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: Blade barrier blocks passage
Random Traps
Trigger: Opened (door, treasure chest)
Severity: Setback (DC 11, +5 to-hit)
Effect: Magic missiles shoot from a statue or object
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: Cracked gem
Effect: Asks three skill-testing questions (if all three are answered correctly, a reward appears)
Shout outs: Stacey, Rachel Anderson, Erik Abrahamsen, 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., Vincent Drone, thea musing, Brian Nunziato, Matt Yates, Elisa Martinez, Ryan Flagg, Jade Arrowood, Angelo Anderson, Syn21, Dave Walker, Jonathan Lekse, 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!
