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: Treasure vault (Click to make permanent). or choose:
Starting Area:
Square, 40 x 40 ft.; doors on three walls
Description
Noises: Music
Air: Clear and warm
Odors: Smoky
Purpose: Antechamber for visiting dignitaries
Current state: Furniture wrecked but still present
Contents: Monster (pet or allied creature) guarding treasure found in an illusion
Possible feature: Pole, broken (5 ft. long); Arrow, broken; Guano
Possible furnishings: Fireplace with mantle; Couch; Mat
(Religious) Possible furnishings: Tripod; Lamp, Altar
(Mage) Possible furnishings: Brazier; Idol; Statue
Possible personal items: Pouch; Book; Stopper
Passages
Passage Width:
10 ft. / Leads to: Diagonal passage to the left for 30 ft (or straight then turn left)
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to: Diagonal passage to the right for 30 ft (or straight then turn right).3rd Passage Width:
10 ft. / Leads to:
Continue straight 20ft., then the passage turns left and continues 10 ft.4th Passage Width:
20 ft. / Leads to:
Chamber
Doors
Door: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the left
Extra doors (if necessary):
Door 2: Iron, barred or locked / Leads to:
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 3: Wooden / Leads to:
Chamber
Door 4: Stone, barred or locked / Leads to:
Chamber
Door 5: Wooden / Leads to:
Chamber
Door 6: Wooden / Leads to:
Stairs (if not multi-level then reroll)
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: 2
Exit locations: Wall right of entrance / Wall left of entrance /
Exit types: Corridor, 10ft. long / Door /
Description
Purpose: Trap or other trick designed to kill or capture creatures that enter the dungeon
Current state: Pool of water; chamber's original contents are water damaged
Contents: Random Obstacle
Possible feature: Damp ceiling; Wall scratchings; Cobwebs
Possible furnishings: Stool , high; Screen; Hamper
(Religious) Possible furnishings: Candles; Lectern, Offertory container
(Mage) Possible furnishings: Thurible; Gong; Kneeling bench
Possible personal items: Ladle; Grater; Whetstone
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 three levels to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Grease
Book, Scroll, or Tome: Prayer book
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Recover from a battle
Personality: Bully; refuses to believe it can lose.
Random Hazards
Hazard: Shrieker
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Blade barrier blocks passage
Random Traps
Trigger: Moved (cart, stone block)
Severity: Dangerous (DC 12, +8 to-hit)
Effect: Fire shoots out from wall, floor, or object
| 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: Suit of armor
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!

