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, 10 ft. wide; T intersection
Description
Noises: Scratching or scrabbling
Air: Clear and damp
Odors: Salty and wet
Purpose: Storage, mostly nonperishable goods
Current state: Holes, floor partially collapsed
Contents: Empty room with Dungeon hazard
Possible feature: Mold (common); Cobwebs; Mold (common)
Possible furnishings: Chest, medium; Bag; Throne
(Religious) Possible furnishings: Altar; Idol, Statue
(Mage) Possible furnishings: Robes; Drum; Holy or unholy symbol
Possible personal items: Oil, fuel; Ewer; Candlestick
Passages
Passage Width:
10 ft. / Leads to:
Chamber
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to:
Chamber3rd Passage Width:
10 ft. / Leads to:
Continue straight 20ft.; passage ends in a door4th Passage Width:
20 ft. / Leads to:
Continue straight 30ft., no doors or side passages
Doors
Door: Wooden / Leads to:
Passage 20 ft. straight ahead
Extra doors (if necessary):
Door 2: Wooden / Leads to:
Chamber
Door 3: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the right
Door 4: Wooden, barred or locked / Leads to:
Chamber
Door 5: Wooden / Leads to:
Chamber
Door 6: Stone, barred or locked / Leads to: False door with trap
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: 3
Exit locations: Same wall as entrance / Wall left of entrance / Wall opposite entrance /
Exit types: Door / Door / Door /
Description
Purpose: Training and exercise room
Current state: Furniture wrecked but still present
Contents: Monster (dominant inhabitant)
Possible feature: Torch stub; Arrow, broken; Chain, corroded
Possible furnishings: Armchair; Table, low; Bag
(Religious) Possible furnishings: Columns or pillars; Altar, Statue
(Mage) Possible furnishings: Brazier; Incense burner; Pews
Possible personal items: Dish; Cup; Sifter or strainer
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 three levels to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Paste
Book, Scroll, or Tome: Historical text
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek wealth
Personality: Bully; refuses to believe it can lose.
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: Touched (doorknob, statue)
Severity: Deadly (DC 19, +10 to-hit)
Effect: Vent releases gas: blinding, acidic, obscuring, paralyzing, poisonous, or sleep-inducing
| Damage | |
|---|---|
| Level 1-4: | 4d10 |
| Level 5-10: | 10d10 |
| Level 11-16: | 18d10 |
| Level 17-20: | 24d10 |
Random Tricks
Tricks are quirky and less deadly than a trap. Some tricks are permanent, others can be dispelled with Dispel Magic.
Object: Skull
Effect: Increases, reduces, negates, or reverses gravity
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!

