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, 40 x 40 ft.; doors on three walls
Description

Noises: Chirping
Air: Clear and warm
Odors: Dank or moldy

Purpose: Banquet room for important celebrations
Current state: Rubble, ceiling partially collapsed
Contents: Random Obstacle

Possible feature: Rubble and dirt; Cobwebs; Leaves and twigs
Possible furnishings: Rug (small or medium); Couch; Closet (wardrobe)
(Religious) Possible furnishings: Altar; Holy or unholy symbol, Font
(Mage) Possible furnishings: Cassocks; Offertory container; Brazier
Possible personal items: Mirror; Pipe, smoking; Hourglass

Passages

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

Extra passages (if necessary):

Doors

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

Extra doors (if necessary):
Door 2: Wooden / Leads to: Stairs (if not multi-level then reroll)
Door 3: Wooden / Leads to: Chamber
Door 4: Wooden / Leads to: Chamber
Door 5: Stone, barred or locked / Leads to: Chamber
Door 6: Iron, barred or locked / Leads to: False door with trap

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 left of entrance / Wall left of entrance /
Exit types: Corridor, 10ft. long / Corridor, 10ft. long / Corridor, 10ft. long /

Description
Purpose: Guardroom for the defense of the lair
Current state: Pool of water; chamber's original contents are water damaged
Contents: Monster (pet or allied creature)

Possible feature: Wood pieces, rotting; Cracks, wall; Wood pieces, rotting
Possible furnishings: Pegs; Mat; Candelabrum
(Religious) Possible furnishings: Tripod; Candles, Shrine
(Mage) Possible furnishings: Altar; Shrine; Vestments
Possible personal items: Soap; Wig; Sifter or strainer

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 chamber

Contents

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

Container Contents: Powder
Book, Scroll, or Tome: Recipe book or cookbook

Monster

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

Motivation: Conquer the dungeon
Personality: Greedy; wants treasure.

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

Random Traps

Trap Generator

Trigger: Touched (doorknob, statue)
Severity: Setback (DC 10, +4 to-hit)
Effect: Darts shoot out of an opened chest

Random Tricks

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

Object: Furniture
Effect: Offers a game of chance, with the promise of a reward or valuable information

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