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: Death Trap (Click to make random). or choose:
Starting Area:
Square, 20 x 20ft.; passage on each wall
Description
Noises: Splintering
Air: Clear and warm
Odors: Earthy
Purpose: Vault for holding important treasures, accessible only by locked or secret door (75 percent chance of being trapped)
Current state: Holes, floor partially collapsed
Contents: Dungeon hazard with incidental treasure found in a container (pottery jars)
Possible feature: Club, splintered; Guano; Pick handle
Possible furnishings: Pail; Trunk; Table, low
(Religious) Possible furnishings: Incense burner; Lamp, Incense burner
(Mage) Possible furnishings: Tripod; Votive light; Altar
Possible personal items: Candle; Dish; Wig
Passages
Passage Width:
40ft., with pillars / Leads to: Diagonal passage to the right for 30 ft (or straight then turn right).
Extra passages (if necessary):
2nd Passage Width:
20 ft. / Leads to: Diagonal passage to the right for 30 ft (or straight then turn right).3rd Passage Width:
30 ft. / Leads to:
Chamber4th Passage Width:
20 ft. / Leads to:
Chamber
Doors
Door: Wooden, barred or locked / Leads to:
Passage 20 ft. straight ahead
Extra doors (if necessary):
Door 2: Wooden / Leads to:
Chamber
Door 3: Wooden / Leads to:
Chamber
Door 4: Wooden / Leads to:
Passage 20 ft. straight ahead
Door 5: Iron, barred or locked / Leads to:
Passage 20 ft. straight ahead
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, 20 x 20 ft.
Number of exits: 4
Exit locations: Wall right of entrance / Wall opposite entrance / Wall opposite entrance / Wall opposite entrance /
Exit types: Door / Door / Door / Corridor, 10ft. long /
Description
Purpose: Guardroom fortified against intruders
Current state: Ashes, contents mostly burned
Contents: Monster (pet or allied creature)
Possible feature: Sack, torn; Cobwebs; Wood pieces, rotting
Possible furnishings: Stool, normal; Table, small; Pallet
(Religious) Possible furnishings: Altar; Votive light, Cloth, altar
(Mage) Possible furnishings: Thurible; Vestments; Incense burner
Possible personal items: Cane or walking stick; Mirror; Needle(s)
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: Paste
Book, Scroll, or Tome: Doodles or sketches
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Hide from enemies
Personality: Braggart; makes a show of bravery but runs from danger.
Random Hazards
Hazard: Yellow mold (On touch, eject sports DC 15 Con, 2d10 poison and poisoned for 1 minute. Take 1d10 each turn while poisoned, repeat saving throw each turn to end. Destroyed by sunlight or fire)
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: Dangerous (DC 13, +7 to-hit)
Effect: Touching an object triggers a disintegrate spell
| 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: Glass sculpture
Effect: Prevents movement
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!

