Delve3D
The village of Vallenmoor at night, Castle Grimcrag on its crag against a full moon A red dragon flying past a castle above storm clouds and a full moon Underwater: a great white shark below the hull of a sailing ship A rope bridge across a snowy mountain chasm Pine woods under a starry sky and a small moon Through Ply's eyes in Hollowmere Manor: a ghoul lunges by torchlight beside the statue of the Count and his wolf
Delve3D

Your table, built in three dimensions.

Delve3D turns a D&D session into a living diorama. The DM builds the scenes, players roll on D&D Beyond, and everyone watches it happen in the world.

Vallenmoor, under Castle Grimcrag
Dungeon Master

Run your campaigns

Your Scene Library, campaign modules and every group's playthrough, behind your DM password.

Player

Join your playthrough

Enter the code your DM gave you. You arrive where your party left off, or wherever your DM has sent you.

Scenes from the table

Every picture here is a real Delve3D scene, captured in the game as players see it.

How a campaign comes together

Three layers, each with its own button and colour in the game, so the book version of a scene never gets mixed up with what one group did to it.

Scene Library

Standalone scenes, filed by biome: towns, caves, swamps, skies, etc. Leverage a massive asset library, bestiary and scene generation tools. Then save them for use in your campaigns.

Example: Towns › Vallenmoor Village

Campaign Module

Save collections of your scenes into one campaign module, just like how D&D adventures present themselves. Copy scenes in from the library and arrange them into campaign sections.

Example: Campaign Module: The Crimson Count › Section: Hollowmere Manor › Scene: The Cellars

Playthrough

One group's run through your DM's campaign module. Every scene they visit keeps what they did: moved NPCs, dead monsters, and more.

Example: The Crimson Count, Fall 2026

Before your first session

Players must follow four steps in advance of their first session.

Step 1 · your character

Make your hero on D&D Beyond

Build your character sheet, and once you are in your Delve3D session, Delve3D automatically reads your stats and recognizes your rolls!

Step 2 · your dice

Install Beyond20

Install Beyond20 so your D&D Beyond rolls connect and land at the Delve3D table.

Step 3 · your browser

Let Beyond20 reach Delve3D

Do this once on each browser you play from, so your rolls arrive at the table.

https://delve3d.com/*
  1. Click the Beyond20 icon in your browser's toolbar and open its Options.
  2. In the Advanced options, find List of custom domains to load Beyond20.
  3. Paste the line above on a line of its own and press Apply.
  4. Accept your browser's permission prompt, then reload Delve3D.
Step 4 · your table

Join with your DM's code

Your DM gives each group a join code for its playthrough. It looks like GRIM-7Q4K.

Type it in the Player box at the top of this page and press Join. You arrive where your party left off, or wherever your DM has sent you.