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: Maze (Click to make random). or choose:
Starting Area:
Square, 40 x 40 ft.; doors on three walls
Description
Noises: Footsteps behind
Air: Clear and damp
Odors: Dank or moldy
Purpose: Guard room for sentinels that patrol the maze
Current state: Furniture wrecked but still present
Contents: Monster (pet or allied creature)
Possible feature: Rubble and dirt; Cobwebs; Cobwebs
Possible furnishings: Pallet; Table, low; Idol (large)
(Religious) Possible furnishings: Vestments; Columns or pillars, Cassocks
(Mage) Possible furnishings: Vestments; Altar; Incense burner
Possible personal items: Brush; Pot; Wool
Passages
Passage Width:
10 ft. / Leads to: Diagonal passage to the right for 30 ft (or straight then turn right).
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to:
Continue straight 30ft., no doors or side passages3rd Passage Width:
10 ft. / Leads to:
Chamber4th Passage Width:
10 ft. / Leads to:
Continue straight 20ft., door to the left, then an additional 10 ft. ahead
Doors
Door: Wooden / Leads to:
Chamber
Extra doors (if necessary):
Door 2: Wooden / Leads to:
Passage 20 ft. straight ahead
Door 3: Secret door / Leads to:
Chamber
Door 4: Portcullis / Leads to:
Chamber
Door 5: Portcullis / Leads to: Diagonal (or turn) Passage 20 ft. to the left
Door 6: Wooden / 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:
Circle, 30 ft. diameter
Number of exits: 0
Exit locations:
Exit types:
Description
Purpose: Trap to confound or kill those sent into the maze
Current state: Rubble, ceiling partially collapsed
Contents: Monster (random creature)
Possible feature: Cobwebs; Pottery shards; Fungi (common)
Possible furnishings: Coal; Hogshead (large cask, 65 gallons); Dais
(Religious) Possible furnishings: Columns or pillars; Holy or unholy symbol, Pews
(Mage) Possible furnishings: Robes; Shrine; Shrine
Possible personal items: Whetstone; Ear spoon; Plate, platter, or saucer
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: Bark
Book, Scroll, or Tome: Heretical text
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Avoid danger
Personality: Greedy; wants treasure.
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: Chasm 1d4 x 10 ft. wide and 2d6 x 10ft. deep, possibly connected to other levels of the dungeon
Random Traps
Trigger: Moved (cart, stone block)
Severity: Setback (DC 11, +3 to-hit)
Effect: Ceiling block falls, or entire ceiling collapses
| 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: Burning fire
Effect: Flies about to avoid being touched
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!

