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: Lair (Click to make random). or choose:
Starting Area:
Square, 20 x 20ft.; passage on each wall
Description
Noises: Whining
Air: Clear and damp
Odors: Dank or moldy
Purpose: Throne room where the lair's leaders hold court
Current state: Holes, floor partially collapsed
Contents: Random Trap protecting treasure found in a pile of junk
Possible feature: Rags; Coin, copper; Wall scratchings
Possible furnishings: Mattress; Cask (40 gallons); Bed
(Religious) Possible furnishings: Lamp; Lamp, Tripod
(Mage) Possible furnishings: Prayer rug; Holy or unholy symbol; Idol
Possible personal items: Rope; Basket; Parchment
Passages
Passage Width:
10 ft. / Leads to:
Continue straight 20ft., then the passage turns right and continues 10ft.
Extra passages (if necessary):
2nd Passage Width:
20 ft. / Leads to:
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead3rd Passage Width:
20 ft. / Leads to:
Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead4th Passage Width:
10 ft. / Leads to:
Chamber
Doors
Door: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the right
Extra doors (if necessary):
Door 2: Wooden / Leads to:
Stairs (if not multi-level then reroll)
Door 3: Wooden / Leads to:
Passage 20 ft. straight ahead
Door 4: Stone / Leads to:
Stairs (if not multi-level then reroll)
Door 5: Wooden / Leads to:
Chamber
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:
Rectangle, 40 x 50 ft.
Number of exits: 1
Exit locations: Wall opposite entrance /
Exit types: Corridor, 10ft. long /
Description
Purpose: Workshop for the construction of weapons, armor, tools, and other goods
Current state: Ashes, contents mostly burned
Contents: Empty room with Dungeon hazard
Possible feature: Dripping blood; Flask, cracked; Pick handle
Possible furnishings: Sconce; Barrel (40 gallons); Table, long
(Religious) Possible furnishings: Gong; Columns or pillars, Brazier
(Mage) Possible furnishings: Thurible; Incense burner; Shrine
Possible personal items: Twine; Grinder; Shaker
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) down one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Fibers
Book, Scroll, or Tome: Almanac
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: Brave; stands its ground.
Random Hazards
Hazard: Brown mold (Frigid temperature. DC 12 Con, 4d10 cold damage, half on save. Immune to fire, causes it to expand. Destroyed by cold)
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Cave-in
Random Traps
Trigger: Opened (door, treasure chest)
Severity: Dangerous (DC 13, +7 to-hit)
Effect: Thunderwave knocks characters into a pit or spikes
| 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: Stone obelisk
Effect: Presents a puzzle or riddle
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!

