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: 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: Bang or slam
Air: Clear but cold
Odors: Urine

Purpose: Dormitory for lesser priests or students
Current state: Ashes, contents mostly burned
Contents: Dungeon hazard with incidental treasure found in an illusion

Possible feature: Dripping blood; Slime (harmless); Cracks, ceiling
Possible furnishings: Wood billets; Shelf; Bunks
(Religious) Possible furnishings: Screen; Vestments, Bells
(Mage) Possible furnishings: Incense burner; Throne; Brazier
Possible personal items: Candle snuffer; Oil, cooking; Salve or unguent

Passages

Passage Width: 5 ft. / Leads to: Chamber

Extra passages (if necessary):

Doors

Door: Wooden / Leads to: Chamber

Extra doors (if necessary):
Door 2: Stone / Leads to: Diagonal (or turn) Passage 20 ft. to the right
Door 3: Iron / Leads to: Chamber
Door 4: Wooden / Leads to: False door with trap
Door 5: Secret door, barred or locked / Leads to: Passage 20 ft. straight ahead
Door 6: Iron / 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: Rectangle, 50 x 80 ft.
Number of exits: 0
Exit locations:
Exit types:

Description
Purpose: Conjuring room, specially sanctified and used to summon extraplanar creatures
Current state: Furniture wrecked but still present
Contents: Monster (dominant inhabitant) guarding treasure found in an illusion

Possible feature: Spike, rusted; Cobwebs; Dampness, wall
Possible furnishings: Firkin (small cask, 10 gallons); Tun (huge cask, 250 gallons); Idol (large)
(Religious) Possible furnishings: Columns or pillars; Screen, Curtain or tapestry
(Mage) Possible furnishings: Cassocks; Pews; Holy or unholy symbol
Possible personal items: Flask or jar; Flask or jar; Key

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: Gelatin
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: Find a sanctuary
Personality: Rabble; poorly trained and easily rattled.

Random Hazards

Hazard: Brown mold (Frigid temperature. DC 12 Con, 4d10 cold damage, half on save. Immune to fire, causes it to expand. Destroyed by cold)

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: Stepped on (floor, stairs)
Severity: Deadly (DC 19, +11 to-hit)
Effect: Touching an object triggers a flesh to stone spell

Random Tricks

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

Object: Pool of water
Effect: Casts geas on the characters

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