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: 
Rectangle, 80 x 20ft., with row of pillars down the middle; two passages leading from each long wall, doors on each short wall
Description
Noises: Bang or slam
Air: Clear but cold
Odors: Acrid
Purpose: Trap to confound or kill those sent into the maze
Current state: Rubble, ceiling partially collapsed
Contents: Empty room with 
Stairs (if not multi-level then reroll)
Possible feature: Hammer head, cracked; Leaves and twigs; Club, splintered
Possible furnishings: Fireplace with mantle; Staff, normal; Fireplace with mantle
(Religious) Possible furnishings: Offertory container; Incense burner, Columns or pillars
(Mage) Possible furnishings: Brazier; Pulpit; Side chairs
Possible personal items: Basket; Candlestick; Sifter or strainer
Passages
Passage Width: 
10 ft. / Leads to: 
Continue straight 20ft., then the passage turns left and continues 10 ft.
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., side passage to the left, then an additional lO ft. ahead3rd Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., door to the left, then an additional 10 ft. ahead4th Passage Width:
40ft., with pillars / Leads to: Diagonal passage to the right for 30 ft (or straight then turn right).
Doors
Door: Wooden / Leads to: 
Passage extending 10ft., then T intersection extending 10ft. to the right and left
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 / Leads to: Chamber
Door 6: Portcullis / 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, 30 x 30 ft.
Number of exits: 0
Exit locations:
Exit types:
Description
Purpose: Guard room for sentinels that patrol the maze
Current state: Ashes, contents mostly burned
Contents: Dungeon hazard with incidental treasure found in a pile of junk
Possible feature: Pick handle; Pick handle; Dampness, wall
Possible furnishings: Brazier and charcoal; Fireplace and wood; Table, round
(Religious) Possible furnishings: Shrine; Columns or pillars, Bells
(Mage) Possible furnishings: Idol; Candles; Altar
Possible personal items: Cup; Washcloth; Pipe, musical
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: Shaft (with or without elevator) down one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Lumps, unidentifiable
Book, Scroll, or Tome: Text on astrology
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek wealth
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: Cave-in
Random Traps
Trigger: Touched (doorknob, statue)
Severity: Deadly (DC 20, +11 to-hit)
Effect: Brittle stairs collapse over spikes
| 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: Mushroom field
Effect: Helps or harms certain types of creatures
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!
