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 permanent). or choose: Death TrapLairLairLairLairMazeMineMineMinePlanar gateStrongholdStrongholdStrongholdStrongholdTemple or shrineTemple or shrineTemple or shrineTombTombTreasure vault

Starting Area: Rectangle, 80 x 20ft., with row of pillars down the middle; two passages leading from each long wall, doors on each short wall
Description

Noises: Splintering
Air: Clear and damp
Odors: Salty and wet

Purpose: Banquet room for important celebrations
Current state: Furniture wrecked but still present
Contents: Monster (dominant inhabitant) guarding treasure hoard found in a pile of junk

Possible feature: Helmet, badly dented; Water, trickle; Water, trickle
Possible furnishings: Bag; Cask (40 gallons); Rug (small or medium)
(Religious) Possible furnishings: Holy or unholy writings; Drum, Stand
(Mage) Possible furnishings: Tripod; Whistle; Holy or unholy symbol
Possible personal items: Kettle; Case; Knucklebones or dice

Passages

Passage Width: 10 ft. / Leads to: Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead

Extra passages (if necessary):

Doors

Door: Wooden / Leads to: Passage 20 ft. straight ahead

Extra doors (if necessary):
Door 2: Wooden / Leads to: Passage 20 ft. straight ahead
Door 3: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the right
Door 4: Secret door / Leads to: Diagonal (or turn) Passage 20 ft. to the right
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: Square, 20 x 20 ft.
Number of exits: 4
Exit locations: Wall left of entrance / Wall opposite entrance / Wall opposite entrance / Wall left of entrance /
Exit types: Corridor, 10ft. long / Corridor, 10ft. long / Corridor, 10ft. long / Corridor, 10ft. long /

Description
Purpose: Audience chamber, used to receive guests
Current state: Used as a campsite
Contents: Monster (pet or allied creature)

Possible feature: Leather boot; Slime (harmless); Coin, copper
Possible furnishings: Fireplace and wood; Mattress; Rug (small or medium)
(Religious) Possible furnishings: Chimes; Holy or unholy symbol, Brazier
(Mage) Possible furnishings: Tripod; Vestments; Idol
Possible personal items: Case; Jug or pitcher; Grinder

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 passage 20ft. long

Contents

Whenever a container or book is generated, use this to determine its contents

Container Contents: Powder
Book, Scroll, or Tome: Travelogue for an exotic land

Monster

Each monster should have a motivation in the dungeon. Sometimes this might make them peaceful (even if temporarily).

Motivation: Avoid danger
Personality: Braggart; makes a show of bravery but runs from danger.

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: Overgrown mushrooms block progress and must be hacked down (25 percent chance of a mold or fungus dungeon hazard hidden among them)

Random Traps

Trap Generator

Trigger: Moved (cart, stone block)
Severity: Dangerous (DC 13, +6 to-hit)
Effect: Scything blade emerges from wall or object

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: Contains an imprisoned creature

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