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: 
Circle, 40ft. diameter; one passage at each cardinal direction
Description
Noises: Splintering
Air: Clear and damp
Odors: Dank or moldy
Purpose: Divination room, used in rituals to contact the dead for guidance
Current state: Holes, floor partially collapsed
Contents: Empty room
Possible feature: Dung; Torch stub; Pick handle
Possible furnishings: Screen; Barrel (40 gallons); Armchair
(Religious) Possible furnishings: Idol; Shrine, Bells
(Mage) Possible furnishings: Vestments; Thurible; Cloth, altar
Possible personal items: Jug or pitcher; Razor; Parchment
Passages
Passage Width: 
10 ft. / Leads to: 
Continue straight 20ft.; passage ends in a door
Extra passages (if necessary):
2nd Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., comes to a dead end; 10 percent chance of a secret door3rd Passage Width:
10 ft. / Leads to: Continue straight 20ft.; passage ends in a door4th Passage Width:
10 ft. / Leads to: 
Chamber
Doors
Door: Wooden / Leads to: 
Stairs (if not multi-level then reroll)
Extra doors (if necessary):
Door 2: Wooden / Leads to: Chamber
Door 3: Wooden / Leads to: Chamber
Door 4: Wooden / Leads to: 
Passage 20 ft. straight ahead
Door 5: Wooden / Leads to: Chamber
Door 6: Iron / Leads to: Chamber
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: 2
Exit locations: Wall right of entrance / Wall right of entrance /
Exit types: Corridor, 10ft. long / Corridor, 10ft. long /
Description
Purpose: Antechamber for those that have come to pay respect to the dead or prepare themselves for burial rituals
Current state: Used as a campsite
Contents: Monster (pet or allied creature) guarding treasure
Possible feature: Stones, small; Ashes; Sack, torn
Possible furnishings: Rug (small or medium); Bag; Pedestal
(Religious) Possible furnishings: Altar; Idol, Offertory container
(Mage) Possible furnishings: Vestments; Idol; Gong
Possible personal items: Trivet or tripod; Wool; Twine
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: Down three levels to a passage 20ft. long
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Bark
Book, Scroll, or Tome: Historical text
Monster
Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).
Motivation: Hide from enemies
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: Battering winds reduce speed by half, impose disadvantage on ranged attack rolls
Random Traps
Trigger: Stepped on (floor, stairs)
Severity: Dangerous
Effect: Locked room floods with water or acid
Random Tricks
Tricks are quirky and less deadly than a trap. Some tricks are permanent, others can be dispelled with Dispel Magic.
Object: Pool of water
Effect: Enlarges or reduces characters
Shout outs: Stacey, LukeMassay, Conor Quinn, Cedar, Bartis Edmond Hawley-Wall, Kyler Havard, Oliver Young, Elycoralisia, Moonstar Morris, Michael Saint Gregory, Grey, Keaton Permenter, Shazear, John Nazario, Gary, Gordon Alexander Fallon, Max Puplett
Their contribution stands as a beacon of hope for all adventurers!
