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: Circle, 40ft. diameter; one passage in each cardinal direction; well in middle of room (might lead down to lower level)
Description

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

Purpose: Crypt for less important burials
Current state: Rubble, ceiling partially collapsed
Contents: Monster (pet or allied creature) guarding treasure found in a small secret room

Possible feature: Arrow, broken; Bones; Leaves and twigs
Possible furnishings: Trunk; Table, large; Keg (small barrel, 20 gallons)
(Religious) Possible furnishings: Holy or unholy writings; Tripod, Idol
(Mage) Possible furnishings: Altar; Tripod; Gong
Possible personal items: Yarn; Flask or jar; Parchment

Passages

Passage Width: 10 ft. / Leads to: Continue straight 20ft., door to the right, then an additional 10 ft. ahead

Extra passages (if necessary):

Doors

Door: Portcullis, locked in place / Leads to: Diagonal (or turn) Passage 20 ft. to the right

Extra doors (if necessary):
Door 2: Iron / Leads to: Chamber
Door 3: Secret door / Leads to: Chamber
Door 4: Portcullis / Leads to: Stairs (if not multi-level then reroll)
Door 5: Wooden / Leads to: Chamber
Door 6: Wooden, barred or locked / 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: Square, 50 x 50 ft.
Number of exits: 2
Exit locations: Wall left of entrance / Wall left of entrance /
Exit types: Door / Door /

Description
Purpose: Antechamber for those that have come to pay respect to the dead or prepare themselves for burial rituals
Current state: Pristine and in original state
Contents: Random Obstacle

Possible feature: Dust; Dripping blood; Wax drippings
Possible furnishings: Couch; Table, large; Chair, padded, or divan
(Religious) Possible furnishings: Mosaic; Brazier, Idol
(Mage) Possible furnishings: Stand; Altar; Columns or pillars
Possible personal items: Basket; Tray; Flask or jar

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: Cinders
Book, Scroll, or Tome: Biography

Monster

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

Motivation: Find a sanctuary
Personality: Joker; taunts its enemies.

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: Cave-in

Random Traps

Trap Generator

Trigger: Touched (doorknob, statue)
Severity: Dangerous (DC 13, +8 to-hit)
Effect: Thunderwave knocks characters into a pit or spikes

Random Tricks

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

Object: Statue
Effect: Grants a wish

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