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 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: Humming
Air: Clear, with mist covering floor
Odors: Urine

Purpose: Robing room for priests to prepare for burial rituals
Current state: Rubble, ceiling partially collapsed
Contents: Random Event (or empty room)

Possible feature: Cracks, wall; Dampness, wall; Rubble and dirt
Possible furnishings: Stool , high; Chair, padded; Hassock
(Religious) Possible furnishings: Statue; Shrine, Incense burner
(Mage) Possible furnishings: Gong; Columns or pillars; Incense burner
Possible personal items: Knife; Tinderbox (with flint and steel); Pot

Passages

Passage Width: 5 ft. / Leads to: Chamber

Extra passages (if necessary):

Doors

Door: Wooden / Leads to: Chamber

Extra doors (if necessary):
Door 2: Secret door, barred or locked / Leads to: Chamber
Door 3: Stone / Leads to: Passage extending 10ft., then T intersection extending 10ft. to the right and left
Door 4: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the right
Door 5: Wooden / Leads to: Chamber
Door 6: Wooden / Leads to: Chamber

Chamber (Rooms)

Whenever a passage, door, or anything else results in a chamber, use one of these.

Dimensions: Rectangle, 20 x 30 ft.
Number of exits: 3
Exit locations: Wall opposite entrance / Wall opposite entrance / Wall left of entrance /
Exit types: Door / Corridor, 10ft. long / Door /

Description
Purpose: Grand crypt for a noble, high priest, or other important individual
Current state: Used as a campsite
Contents: Monster (random creature) guarding treasure found in a pile of junk

Possible feature: Slime (harmless); Guano; Mold (common)
Possible furnishings: Tapestry; Stand; Rug (small or medium)
(Religious) Possible furnishings: Kneeling bench; Shrine, Brazier
(Mage) Possible furnishings: Pipes, musical; Mosaic; Rail
Possible personal items: Spigot; Kettle; Pot

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: Shaft (with or without elevator) up one level to a chamber and down one level to a chamber

Contents

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

Container Contents: Semiliquid suspension
Book, Scroll, or Tome: Text on herbalism

Monster

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

Motivation: Seek an item in the dungeon
Personality: Rabble; poorly trained and easily rattled.

Random Hazards

Hazard: Yellow mold (On touch, eject sports DC 15 Con, 2d10 poison and poisoned for 1 minute. Take 1d10 each turn while poisoned, repeat saving throw each turn to end. Destroyed by sunlight or fire)

Random Obstacles

Obstacles block or hamper progress and can affect more than one room.

Obstacle: Cave-in

Random Traps

Trap Generator

Trigger: Opened (door, treasure chest)
Severity: Dangerous (DC 12, +8 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: Skull
Effect: Enlarges or reduces characters

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