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: Temple or shrine (Click to make permanent). or choose:
Starting Area: 
Passage, 10 ft. wide; T intersection
Description
Noises: Grating
Air: Clear and damp
Odors: Earthy
Purpose: Central temple built to accommodate rituals
Current state: Ashes, contents mostly burned
Contents: Random Event (or empty room)
Possible feature: Club, splintered; Mold (common); Cobwebs
Possible furnishings: Shelf; Idol (large); Cupboard
(Religious) Possible furnishings: Candles; Tripod, Statue
(Mage) Possible furnishings: Bells; Offertory container; Idol
Possible personal items: Basket; Mirror; Spigot
Passages
Passage Width: 
10 ft. / Leads to: 
Chamber
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:
5 ft. / Leads to: 
Continue straight 20ft., side passage to the left, then an additional lO ft. ahead4th Passage Width:
10 ft. / Leads to: 
Continue straight 20ft., door to the right, then an additional 10 ft. ahead
Doors
Door: Wooden / Leads to: 
Passage 20 ft. straight ahead
Extra doors (if necessary):
Door 2: Wooden / Leads to: Chamber
Door 3: Wooden / Leads to: Chamber
Door 4: Stone / Leads to: Passage 20 ft. straight ahead
Door 5: Iron / Leads to: Passage 20 ft. straight ahead
Door 6: Wooden / Leads to: 
Passage extending 10ft., then T intersection extending 10ft. to the right and left
Chamber (Rooms)
Whenever a passage, door, or anything else results in a chamber, use one of these.
Dimensions: 
Square, 20 x 20 ft.
Number of exits: 1
Exit locations: Wall opposite entrance /
Exit types: Door /
Description
Purpose: Prison for captured enemies (in good or neutral temples) or those designated as sacrifices (in evil temples)
Current state: Used as a campsite
Contents: Monster (random creature) guarding treasure found in a pile of junk
Possible feature: Wood pieces, rotting; Dust; Dung
Possible furnishings: Coal; Stand; Bed
(Religious) Possible furnishings: Idol; Incense burner, Altar
(Mage) Possible furnishings: Shrine; Gong; Votive light
Possible personal items: Candlestick; Thread; 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: Down one level to a chamber
Contents
Whenever a container or book is generated, use this to determine its contents
Container Contents: Dust
Book, Scroll, or Tome: Heretical text
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: 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: Chasm 1d4 x 10 ft. wide and 2d6 x 10ft. deep, possibly connected to other levels of the dungeon
Random Traps
Trigger: Opened (door, treasure chest)
Severity: Dangerous (DC 12, +7 to-hit)
Effect: Lightning bolt shoots from wall or object
| 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: Plant or tree
Effect: Contains an imprisoned creature
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Their contribution stands as a beacon of hope for all adventurers!
