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 permanent). or choose:
Starting Area:
Circle, 40ft. diameter; one passage at each cardinal direction
Description
Noises: Hissing
Air: Clear and drafty
Odors: Rotting vegetation
Purpose: Guard room for sentinels that patrol the maze
Current state: Rubble, ceiling partially collapsed
Contents: Monster (dominant inhabitant)
Possible feature: Cobwebs; Damp ceiling; Dripping blood
Possible furnishings: Table, long; Couch; Butt (huge cask, 125 gallons)
(Religious) Possible furnishings: Cassocks; Font, Bells
(Mage) Possible furnishings: Pulpit; Robes; Vestments
Possible personal items: Grinder; Yarn; Coffer
Passages
Passage Width:
10 ft. / Leads to:
Chamber
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to:
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead3rd Passage Width:
10 ft. / Leads to: Diagonal passage to the right for 30 ft (or straight then turn right).4th Passage Width:
10 ft. / Leads to:
Stairs (if not multi-level then reroll)
Doors
Door: Stone / Leads to:
Chamber
Extra doors (if necessary):
Door 2: Wooden / Leads to:
Stairs (if not multi-level then reroll)
Door 3: Wooden / Leads to:
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 4: Wooden / Leads to:
Chamber
Door 5: Wooden / Leads to:
Stairs (if not multi-level then reroll)
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:
Octagon, 40 x 40 ft.
Number of exits: 3
Exit locations: Wall right of entrance / Same wall as entrance / Same wall as entrance /
Exit types: Corridor, 10ft. long / Door / Door /
Description
Purpose: Lair for guard beasts that patrol the maze
Current state: Rubble, ceiling partially collapsed
Contents: Dungeon hazard with incidental treasure found in a pile of junk
Possible feature: Pole, broken (5 ft. long); Water, large puddle; Damp ceiling
Possible furnishings: Throne; Chair, padded; Barrel (40 gallons)
(Religious) Possible furnishings: Lamp; Lamp, Candles
(Mage) Possible furnishings: Candles; Columns or pillars; Holy or unholy symbol
Possible personal items: Candle snuffer; Book; Ear spoon
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: Bones
Book, Scroll, or Tome: Recipe book or cookbook
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: Shrieker
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Flooding leaves 2d10 ft. of water in the area; create nearby upward-sloping passages, raised floors, or rising stairs to contain the water
Random Traps
Trigger: Opened (door, treasure chest)
Severity: Setback (DC 11, +5 to-hit)
Effect: A weapon, suit of armor, or rug animates and attacks when touched (see 'Animated Objects' in the Monster Manual)
| 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: Plant or tree
Effect: Gives directions (true or false)
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!

