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: Treasure vault (Click to make random). 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: Scratching or scrabbling
Air: Clear and damp
Odors: Earthy

Purpose: Armory containing mundane and magic gear used by the treasure vault's guards
Current state: Furniture wrecked but still present
Contents: Monster (dominant inhabitant)

Possible feature: Sack, torn; Spike, rusted; Rope, rotten
Possible furnishings: Bag; Table, trestle; Pegs
(Religious) Possible furnishings: Candles; Lamp, Tripod
(Mage) Possible furnishings: Robes; Brazier; Vestments
Possible personal items: Dish; Thread; Rope

Passages

Passage Width: 10 ft. / Leads to: Chamber

Extra passages (if necessary):

Doors

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

Extra doors (if necessary):
Door 2: Wooden / Leads to: Diagonal (or turn) Passage 20 ft. to the right
Door 3: Wooden / Leads to: Chamber
Door 4: Wooden, barred or locked / Leads to: Passage 20 ft. straight ahead
Door 5: Wooden / Leads to: Passage 20 ft. straight ahead
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: Circle, 30 ft. diameter
Number of exits: 6
Exit locations: Wall opposite entrance / Wall left of entrance / Wall right of entrance / Wall opposite entrance / Wall opposite entrance / Wall opposite entrance /
Exit types: Door / Door / Corridor, 10ft. long / Door / Corridor, 10ft. long / Corridor, 10ft. long /

Description
Purpose: Barracks for guards
Current state: Pristine and in original state
Contents: Monster (dominant inhabitant)

Possible feature: Mold (common); Arrow, broken; Water, large puddle
Possible furnishings: Sheet; Bench; Rug (small or medium)
(Religious) Possible furnishings: Columns or pillars; Idol, Cloth, altar
(Mage) Possible furnishings: Idol; Robes; Shrine
Possible personal items: Bottle; Jug or pitcher; Yarn

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: Husks
Book, Scroll, or Tome: Property deed

Monster

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

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

Random Traps

Trap Generator

Trigger: Looked at (mural, arcane symbol)
Severity: Dangerous (DC 12, +6 to-hit)
Effect: Floor collapses or is an illusion

Random Tricks

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

Object: Painting
Effect: Helps or harms certain types of creatures

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