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: Square, 20 x 20ft.; door on two walls, passage in third wall
Description

Noises: Thumping
Air: Clear and damp
Odors: Earthy

Purpose: Storage, mostly nonperishable goods
Current state: Holes, floor partially collapsed
Contents: Monster (random creature)

Possible feature: Dagger hilt; Helmet, badly dented; Cracks, wall
Possible furnishings: Pallet; Rug (small or medium); Chest of drawers
(Religious) Possible furnishings: Robes; Holy or unholy symbol, Robes
(Mage) Possible furnishings: Incense burner; Bells; Pulpit
Possible personal items: Grinder; Yarn; Parchment

Passages

Passage Width: 30 ft. / Leads to: Continue straight 20ft., side passage to the left, 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: Chamber
Door 3: Wooden / Leads to: Chamber
Door 4: Iron / Leads to: Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 5: Wooden / Leads to: Chamber
Door 6: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the 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: 0
Exit locations:
Exit types:

Description
Purpose: Pen or prison where captives are held
Current state: Pool of water; chamber's original contents are water damaged
Contents: Random Event (or empty room)

Possible feature: Cobwebs; Dust; Cobwebs
Possible furnishings: Pallet; Fireplace with mantle; Keg (small barrel, 20 gallons)
(Religious) Possible furnishings: Drum; Gong, Holy or unholy symbol
(Mage) Possible furnishings: Font; Holy or unholy symbol; Bells
Possible personal items: Soap; Bowl; 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 to a dead end

Contents

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

Container Contents: Strands
Book, Scroll, or Tome: Letter

Monster

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

Motivation: Slay a rival
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: Cave-in

Random Traps

Trap Generator

Trigger: Touched (doorknob, statue)
Severity: Dangerous (DC 14, +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: Brain preserved in a jar
Effect: Gives directions (true or false)

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