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

Starting Area: Square, 20 x 20ft.; door on two walls, passage on third wall, secret door on fourth wall
Description

Noises: Laughter
Air: Clear and damp
Odors: Earthy

Purpose: Torture chamber
Current state: Furniture wrecked but still present
Contents: Random Trick

Possible feature: Ashes; Dampness, wall; Cobwebs
Possible furnishings: Pallet; Table, trestle; Quilt
(Religious) Possible furnishings: Stand; Gong, Brazier
(Mage) Possible furnishings: Vestments; Holy or unholy symbol; Vestments
Possible personal items: Wool; Wig; Towel

Passages

Passage Width: 10 ft. / Leads to: Chamber

Extra passages (if necessary):

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2nd Passage Width: 10 ft. / Leads to: Continue straight 20ft., then the passage turns left and continues 10 ft.

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3rd Passage Width: 20 ft. / Leads to: Continue straight 20ft., then the passage turns right and continues 10ft.

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4th Passage Width: 40ft., with pillars / Leads to: Continue straight 20ft., comes to a dead end; 10 percent chance of a secret door

Doors

Door: Iron / Leads to: Chamber

Extra doors (if necessary):
Door 2: Wooden / Leads to: Chamber
Door 3: Wooden / Leads to: Passage 20 ft. straight ahead
Door 4: Stone / Leads to: Passage 20 ft. straight ahead
Door 5: Secret door, barred or locked / Leads to: Diagonal (or turn) Passage 20 ft. to the left
Door 6: Portcullis, locked in place / 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: Octagon, 60 x 60 ft.
Number of exits: 1
Exit locations: Wall opposite entrance /
Exit types: Corridor, 10ft. long /

Description
Purpose: Kitchen for food storage and preparation
Current state: Pool of water; chamber's original contents are water damaged
Contents: Random Trick

Possible feature: Water, trickle; Cobwebs; Cobwebs
Possible furnishings: Coal; Fireplace and wood; Fireplace and wood
(Religious) Possible furnishings: Holy or unholy symbol; Whistle, Vestments
(Mage) Possible furnishings: Holy or unholy symbol; Offertory container; Altar
Possible personal items: Pouch; Washcloth; Pipe, musical

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: Husks
Book, Scroll, or Tome: Forged document

Monster

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

Motivation: Seek wealth
Personality: Brave; stands its ground.

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: Chasm 1d4 x 10 ft. wide and 2d6 x 10ft. deep, possibly connected to other levels of the dungeon

Random Traps

Trap Generator

Trigger: Stepped on (floor, stairs)
Severity: Setback (DC 11, +5 to-hit)
Effect: Collapsing staircase creates a ramp that deposits characters into a pit at its lower end

Damage
Level 1-4:	1d10
Level 5-10:	2d10
Level 11-16:	4d10
Level 17-20:	10d10

Random Tricks

Tricks are quirky and less deadly than a trap. Some tricks are permanent, others can be dispelled with Dispel Magic.

Object: Glass sculpture
Effect: Confusion (targets all creatures within 10ft.)

Make campaigns and save encounters / combats / dice rolls and more. One step!

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