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: Planar gate (Click to make random). or choose:
Starting Area: 
Square, 20 x 20ft.; door on two walls, passage in third wall
Description
Noises: Laughter
Air: Clear and drafty
Odors: Sulfurous
Purpose: Chapel dedicated to a deity or deities related to the portal and its defenders
Current state: Furniture wrecked but still present
Contents: Monster (random creature)
Possible feature: Dagger hilt; Slime (harmless); Cobwebs
Possible furnishings: Staff, normal; Wood billets; Bunks
(Religious) Possible furnishings: Columns or pillars; Vestments, Vestments
(Mage) Possible furnishings: Columns or pillars; Throne; Curtain or tapestry
Possible personal items: Spoon; Vial; Tinderbox (with flint and steel)
Passages
Passage Width: 
5 ft. / Leads to: 
Continue straight 20ft., door to the left, then an additional 10 ft. ahead
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to: 
Chamber3rd Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., comes to a dead end; 10 percent chance of a secret door4th Passage Width:
10 ft. / Leads to: Diagonal passage to the left for 30 ft (or straight then turn left)
Doors
Door: Wooden, barred or locked / Leads to: False door with trap
Extra doors (if necessary):
Door 2: Wooden, barred or locked / Leads to: False door with trap
Door 3: Wooden / Leads to: 
Passage 20 ft. straight ahead
Door 4: Wooden / Leads to: Passage 20 ft. straight ahead
Door 5: Wooden / Leads to: Passage 20 ft. straight ahead
Door 6: Wooden / Leads to: Chamber
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions: 
Square, 50 x 50 ft.
Number of exits: 1
Exit locations: Wall left of entrance /
Exit types: Door /
Description
Purpose: Gallery for displaying trophies and objects related to the portal and those that guard it
Current state: Pool of water; chamber's original contents are water damaged
Contents: Empty room with Dungeon hazard
Possible feature: Rope, rotten; Ashes; Ashes
Possible furnishings: Armchair; Sofa; Barrel (40 gallons)
(Religious) Possible furnishings: Rail; Screen, Vestments
(Mage) Possible furnishings: Votive light; Vestments; Vestments
Possible personal items: Vase; Statuette or figurine; Thread
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) up one level to a chamber and down one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Liquid, viscous
Book, Scroll, or Tome: Text on exotic flora or fauna
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Slay a rival
Personality: Greedy; wants treasure.
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: Lava flows through the area (50 percent chance of a stone bridge crossing it)
Random Traps
Trigger: Looked at (mural, arcane symbol)
Severity: Dangerous (DC 12, +8 to-hit)
Effect: Touching an object triggers a disintegrate spell
| 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: Statue
Effect: Helps or harms certain types of creatures
Shout outs: Stacey, mike richard, HilloDark, Brian Tanner, Armand Desharnais, Trev909, Bob Goode, TODD RICHARD, Iofire, Caitlin W., Damon Carrington, 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, Jonathan Lekse, Katie White, JollyGamer, Tiernan Greenman, Burlyfighter, David R Abbott, Rick Marsh, Brittany DeNicholas, Amanda Kettles, Lou Bliss, Sik Makoyi, Pythor Sen, Bryson Waits, Desedent, Irate The Pirate, Mark L, Siren, AstroLass, Lizzie, Michael Hamilton, Vedie V, Mylon Schroder, Nathan, Jordan Florez, Robert Rich, Jess, Zee Livezey, Kevin, Kerry Melton, SallySparrow132, 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, Gundar Wez, Nahellion, That Video Editor Nic, bilbens baggo, Stuart, Brysen Packer, Maxwell Mayer, Thobek, XMrMonkyx ., Miss Zilla M, Jordan Brazeal, Kyle Clark, Jake Lane, Phillip P Torchia, Stefan Gottschalk's, Remora Jewel, Connor, jeremy baisch, Daniel Edwards, Zealot23, Shane Andrews, Brandon Mußiq, CJMAXP, Festus, Lisa Tucker, KingHavok1217, Mx Charlie, Justin Snyder, Zachary Burgess-Hicks, Steve Rosenlund, Ezzela1891, John Nazario, Gordon Alexander Fallon, zachary gee, Jason Clark
Their contribution stands as a beacon of hope for all adventurers!
