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: Stronghold (Click to make random). or choose:
Starting Area: 
Square, 20 x 20ft.; passage on each wall
Description
Noises: Laughter
Air: Clear and damp
Odors: Ozone
Purpose: Latrine or bath
Current state: Rubble, ceiling partially collapsed
Contents: Random Obstacle
Possible feature: Cobwebs; Wood pieces, rotting; Dust
Possible furnishings: Trunk; Bed; Cresset
(Religious) Possible furnishings: Columns or pillars; Idol, Vestments
(Mage) Possible furnishings: Incense burner; Incense burner; Columns or pillars
Possible personal items: Bandages; Box; Candlestick
Passages
Passage Width: 
10 ft. / Leads to: 
Continue straight 30ft., no doors or side passages
Extra passages (if necessary):
2nd 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.3rd Passage Width:
10 ft. / Leads to: Continue straight 30ft., no doors or side passages4th Passage Width:
20 ft. / Leads to: Continue straight 30ft., no doors or side passages
Doors
Door: Portcullis, locked in place / Leads to: 
Passage 20 ft. straight ahead
Extra doors (if necessary):
Door 2: Stone / Leads to: False door with trap
Door 3: Secret door, barred or locked / Leads to: Passage 20 ft. straight ahead
Door 4: Wooden / Leads to: 
Chamber
Door 5: Wooden / Leads to: 
Stairs (if not multi-level then reroll)
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: 0
Exit locations:
Exit types:
Description
Purpose: Banquet room for hosting celebrations and guests
Current state: Rubble, ceiling partially collapsed
Contents: Random Obstacle
Possible feature: Fungi (common); Dripping blood; Rags
Possible furnishings: Throne; Sofa; Urn
(Religious) Possible furnishings: Screen; Idol, Incense burner
(Mage) Possible furnishings: Vestments; Offertory container; Lamp
Possible personal items: Cup; Statuette or figurine; Knucklebones or dice
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 two levels to a passage 20ft. long
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Liquid, thin
Book, Scroll, or Tome: Travelogue for an exotic land
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Conquer the dungeon
Personality: Braggart; makes a show of bravery but runs from danger.
Random Hazards
Hazard: Green slime (Drops from above. DC 10 Dex, 1d10 acid damage, damage each round until removed. Nonmagical wood, metal weapon or tool used to remove is destroyed. Destroyed by sunlight, cure disease, cold, fire, or radiant)
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Blade barrier blocks passage
Random Traps
Trigger: Moved through (doorway, hallway)
Severity: Dangerous (DC 14, +6 to-hit)
Effect: Glyph of warding
| 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: Fresco
Effect: Releases, summons, or turns into a monster
Shout outs: Stacey, Iofire, Caitlin W., Damon Carrington, zzz, Mario Pizzamiglio, Phil Mehl, Wesley Muncy, elijah D. maben, R., bruschkin, Vincent Drone, thea musing, Brian Nunziato, Matt Yates, Elisa Martinez, Ryan Flagg, Jade Arrowood, Angelo Anderson, Syn21, Dave Walker, Rhonda Seiter, Jonathan Lekse, Katie White, JollyGamer, Tiernan Greenman, Burlyfighter, Gillian Tolbert, David R Abbott, Rick Marsh, Brittany DeNicholas, Phillip Hash, Amanda Kettles, Lou Bliss, Sik Makoyi, Pythor Sen, Bryson Waits, Desedent, Mark L, Siren, AstroLass, Lizzie, Michael Hamilton, Vedie V, Mylon Schroder, Nathan, Jordan Florez, Robert Rich, Rodney O'Dell, Robin Ellis-Foster, Jess, Lars Yell, Zee Livezey, Kevin, Kerry Melton, Mary Kieser, SallySparrow132, Naomi B, J, Millergendraft, Federica Frezza, Nick Soucy, Jeremiah Walker, Bryan Sheairs, chris wilson, Max Hops, Sarah Holland, Joshua David Maddox, Jennifer Smith, Liz Fontain, Ray Bissonnette, Joe Dalby, Matt Price, Nicholas Zamora, ShortyMcgibble, Mr. Vinclair, mtnman1979@aol.com, KFB_Patreon, eric sun, Kayleigh Sulin, Dani, Gundar Wez, Nahellion, Nicholas Hanke, bilbens baggo, Stuart, Brysen Packer, Maxwell Mayer, Gannon Dubay, Thobek, Aaron Teupe, Mage1X, XMrMonkyx ., Miss Zilla M, Jordan Brazeal, Kyle Clark, Jake Lane, Adam Ruiz, Phillip P Torchia, Stefan Gottschalk's, Remora Jewel, Connor, jeremy baisch, Daniel Edwards, Zealot23, Shane Andrews, Brandon Mußiq, CJMAXP, Lisa Tucker, KingHavok1217, Mx Charlie, Justin Snyder, Zachary Burgess-Hicks, Shazear, Steve Rosenlund, Ezzela1891, John Nazario, Gordon Alexander Fallon, Jason Clark, Trey Vickory
Their contribution stands as a beacon of hope for all adventurers!
