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: Tomb (Click to make permanent). or choose:
Starting Area: 
Square, 40 x 40 ft.; doors on three walls
Description
Noises: Scratching or scrabbling
Air: Clear and damp
Odors: Dank or moldy
Purpose: Storage, stocked with tools for maintaining the tomb and preparing the dead for burial
Current state: Stripped bare
Contents: Random Event (or empty room)
Possible feature: Dampness, wall; Cobwebs; Cracks, floor
Possible furnishings: Sack; Cresset; Wood billets
(Religious) Possible furnishings: Vestments; Vestments, Vestments
(Mage) Possible furnishings: Gong; Curtain or tapestry; Thurible
Possible personal items: Case; Bottle; Wig
Passages
Passage Width: 
10 ft. / Leads to: 
Continue straight 20ft., comes to a dead end; 10 percent chance of a secret door
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., door to the right, then an additional 10 ft. ahead3rd Passage Width:
10 ft. / Leads to: 
Continue straight 30ft., no doors or side passages4th Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., side passage to the left, then an additional 10 ft. ahead
Doors
Door: Secret door / Leads to: 
Passage 20 ft. straight ahead
Extra doors (if necessary):
Door 2: Wooden / Leads to: 
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 3: Wooden / Leads to: 
Stairs (if not multi-level then reroll)
Door 4: Wooden / Leads to: Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 5: Wooden / Leads to: Passage 20 ft. straight ahead
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: 
Square, 30 x 30 ft.
Number of exits: 0
Exit locations:
Exit types:
Description
Purpose: Guardroom, usually guarded by undead, constructs, or other creatures that don't need to eat or sleep
Current state: Pool of water; chamber's original contents are water damaged
Contents: Random Trap
Possible feature: Coin, copper; Pottery shards; Dust
Possible furnishings: Chest of drawers; Bag; Shelf
(Religious) Possible furnishings: Columns or pillars; Lamp, Altar
(Mage) Possible furnishings: Holy or unholy symbol; Vestments; Cassocks
Possible personal items: Comb; Trivet or tripod; Rope
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: Up one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Oil
Book, Scroll, or Tome: Biography
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Seek an item in the dungeon
Personality: Joker; taunts its enemies.
Random Hazards
Hazard: Yellow mold (On touch, eject sports DC 15 Con, 2d10 poison and poisoned for 1 minute. Take 1d10 each turn while poisoned, repeat saving throw each turn to end. Destroyed by sunlight or fire)
Random Obstacles
Obstacles block or hamper progress and can affect more than one room.
Obstacle: Chasm 1d4 x 10 ft. wide and 2d6 x 10ft. deep, possibly connected to other levels of the dungeon
Random Traps
Trigger: Touched (doorknob, statue)
Severity: Deadly (DC 20, +12 to-hit)
Effect: Thunderwave knocks characters into a pit or spikes
| 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: Suit of armor
Effect: Flies about to avoid being touched
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., chris wilson, Christopher Allbritton, CJMAXP, Connor, Dalton Elliott, Damon Carrington, Daniel Edwards, Darrya Keshvari, David Schraff, Dragons With Jetpacks, Elisa Martinez, eric sun, Ezzela1891, Federica Frezza, Gordon Alexander Fallon, Gundar Wez, Iofire, Irate The Pirate, Ivee Quinn, Jade Arrowood, Jake Lane, Jeremiah Walker, Jess, Joe Dalby, John Nazario, JollyGamer, Jonathan Lekse, Jordan Brazeal, Josh Braden, 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 Price, 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!
