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: Stronghold (Click to make random). or choose:
Starting Area:
Square, 20 x 20ft.; door on two walls, passage in third wall
Description
Noises: Thumping
Air: Smoky or steamy
Odors: Sulfurous
Purpose: Waiting room where lesser guests are held before receiving an audience
Current state: Used as a campsite
Contents: Monster (pet or allied creature) guarding treasure found in a container (iron trunks)
Possible feature: Guano; Wall scratchings; Helmet, badly dented
Possible furnishings: Table, large; Cabinet; Workbench
(Religious) Possible furnishings: Kneeling bench; Screen, Tripod
(Mage) Possible furnishings: Rail; Altar; Pulpit
Possible personal items: Jug or pitcher; Book; Vase
Passages
Passage Width:
10 ft. / Leads to:
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to:
Continue straight 20ft., then the passage turns left and continues 10 ft.3rd Passage Width:
10 ft. / Leads to:
Chamber4th Passage Width:
40ft., with pillars / Leads to:
Chamber
Doors
Door: Wooden / Leads to:
Passage 20 ft. straight ahead
Extra doors (if necessary):
Door 2: Wooden, barred or locked / Leads to:
Passage 20 ft. straight ahead
Door 3: Wooden / Leads to:
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 4: Wooden / Leads to:
Passage 20 ft. straight ahead
Door 5: Secret door, barred or locked / Leads to:
Passage 20 ft. straight ahead
Door 6: Secret door, barred or locked / Leads to:
Chamber
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions:
Trapezoid, roughly 40 x 60 ft.
Number of exits: 0
Exit locations:
Exit types:
Description
Purpose: Sitting room for family and intimate guests
Current state: Holes, floor partially collapsed
Contents: Monster (random creature)
Possible feature: Dried blood; Dust; Leaves and twigs
Possible furnishings: Fireplace with mantle; Sofa; Stand
(Religious) Possible furnishings: Columns or pillars; Prayer rug, Pews
(Mage) Possible furnishings: Bells; Robes; Font
Possible personal items: Candle snuffer; Dish; Wig
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: Up one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Liquid, thin
Book, Scroll, or Tome: Catalog
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek wealth
Personality: Cowardly; looking to surrender.
Random Hazards
Hazard: Green slime (Drops from above. DC 10 Dex, 1d10 acid damage, damage each round until removed. Nonmagical wood, metal weapon or tool used to remove is destroyed. Destroyed by sunlight, cure disease, cold, fire, or radiant)
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Poisonous gas (deals 1d6 poison damage per minute of exposure)
Random Traps
Trigger: Moved through (doorway, hallway)
Severity: Setback (DC 10, +5 to-hit)
Effect: Chute opens in floor
| 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: Skull
Effect: Creates an illusion
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!

