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: Rectangle, 20 x 40ft.; passage on each wall
Description

Noises: Tapping
Air: Clear and damp
Odors: Dank or moldy

Purpose: Guardroom to defend against intruders
Current state: Pristine and in original state
Contents: Dungeon hazard with incidental treasure hoard found in behind furniture

Possible feature: Damp ceiling; Pole, broken (5 ft. long); Straw
Possible furnishings: Blanket; Shelf; Pegs
(Religious) Possible furnishings: Incense burner; Shrine, Thurible
(Mage) Possible furnishings: Candles; Altar; Drum
Possible personal items: Twine; Wig; Dish

Passages

Passage Width: 40ft., with pillars / Leads to: Continue straight 20ft., side passage to the right, then an additional 10 ft. ahead

Extra passages (if necessary):

Doors

Door: Wooden / Leads to: Chamber

Extra doors (if necessary):
Door 2: Wooden / Leads to: Passage 20 ft. straight ahead
Door 3: Stone, barred or locked / Leads to: Passage 20 ft. straight ahead
Door 4: Stone / Leads to: Diagonal (or turn) Passage 20 ft. to the left
Door 5: Wooden / Leads to: Chamber
Door 6: Iron / Leads to: Chamber

Chamber (Rooms)

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

Dimensions: Square, 20 x 20 ft.
Number of exits: 4
Exit locations: Wall opposite entrance / Wall right of entrance / Wall left of entrance / Wall right of entrance /
Exit types: Door / Door / Door / Door /

Description
Purpose: Strong room or vault, for guarding the treasure hidden in the dungeon, accessible only by locked or secret door
Current state: Rubble, ceiling partially collapsed
Contents: Random Trap

Possible feature: Spike, rusted; Bottle, broken; Leaves and twigs
Possible furnishings: Tapestry; Wood billets; Sack
(Religious) Possible furnishings: Paintings or frescoes; Candlesticks, Stand
(Mage) Possible furnishings: Votive light; Altar; Kneeling bench
Possible personal items: Tinderbox (with flint and steel); Cup; Vase

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: Grains
Book, Scroll, or Tome: Heretical text

Monster

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

Motivation: Slay a rival
Personality: Cowardly; looking to surrender.

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: Touched (doorknob, statue)
Severity: Dangerous (DC 13, +6 to-hit)
Effect: Locking pit floods with water

Random Tricks

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

Object: Fresco
Effect: Swaps two or more characters' minds

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