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 random). or choose:
Starting Area: 
Passage, 10 ft. wide; T intersection
Description
Noises: Tapping
Air: Clear and damp
Odors: Earthy
Purpose: Trap or other trick designed to kill or capture creatures that enter the dungeon
Current state: Rubble, ceiling partially collapsed
Contents: Dungeon hazard with incidental treasure found in behind furniture
Possible feature: Flask, cracked; Spike, rusted; Cobwebs
Possible furnishings: Coal; Quilt; Table, low
(Religious) Possible furnishings: Whistle; Columns or pillars, Screen
(Mage) Possible furnishings: Stand; Votive light; Votive light
Possible personal items: Lamp or lantern; Coffer; Wool
Passages
Passage Width: 
40ft., with pillars / Leads to: 
Chamber
Extra passages (if necessary):
2nd Passage Width:
5 ft. / Leads to: 
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead3rd Passage Width:
10 ft. / Leads to: 
Stairs (if not multi-level then reroll)4th Passage Width:
40ft. wide, 20ft. high, gallery 10ft. above floor allows access to level above / Leads to: 
Continue straight 20ft., then the passage turns left and continues 10 ft.
Doors
Door: Wooden / Leads to: Chamber
Extra doors (if necessary):
Door 2: Stone, barred or locked / Leads to: Chamber
Door 3: Secret door / Leads to: 
Passage 20 ft. straight ahead
Door 4: Stone, barred or locked / Leads to: Chamber
Door 5: Portcullis / Leads to: Passage 20 ft. straight ahead
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: 
Rectangle, 20 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: Strong room or vault, for guarding the treasure hidden in the dungeon, accessible only by locked or secret door
Current state: Rubble, ceiling partially collapsed
Contents: Monster (random creature) guarding treasure found in behind furniture
Possible feature: Cracks, wall; Arrow, broken; Ashes
Possible furnishings: Blanket; Throne; Fresco
(Religious) Possible furnishings: Lamp; Tripod, Holy or unholy symbol
(Mage) Possible furnishings: Tripod; Whistle; Vestments
Possible personal items: Cup; Key; Wool
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: Chimney up one level to a passage 20ft. long
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Oil
Book, Scroll, or Tome: Last will and testament
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Find a sanctuary
Personality: Fanatic; ready to die fighting.
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: Wall of force blocks passage
Random Traps
Trigger: Touched (doorknob, statue)
Severity: Deadly (DC 17, +11 to-hit)
Effect: Huge wheeled statue rolls down corridor
| 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: Skull
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!
