Build Dungeons.
Run Epic Sessions.

A modern 3D dungeon editor made for game masters who want their maps to look as good as they play.

Free & open source forever · No sign-up required

🎲 Coming soon — log in and play online. Zero setup, instant dungeons, extra features.

Why DungeonPlanner?

Animated tile-based room building

Tile-Based Building

Snap rooms together on a grid. Walls, doors, stairs — everything clicks into place. Build a full dungeon in minutes.

Real-time 3D dungeon rendering

Real-Time 3D

See your dungeon come alive in full 3D with dynamic lighting, atmospheric fog, and smooth camera controls.

Animated multi-floor dungeon building

Multi-Floor Dungeons

Stack floors above and below. Cellars, towers, catacombs — your vertical designs stay connected and navigable.

Animated props and furnishing placement

Props & Furnishing

Place torches, chests, barrels, altars and more. Each asset snaps to walls or floors exactly where it belongs.

Save and share dungeon maps

Save & Share

Export your dungeon as a portable JSON file. Load it back anytime, share with your party, or build a library of maps.

Open source project

Open Source

Free forever. Apache 2.0 licensed. Hack on it, extend it, make it yours. Contributions welcome.

Ready to Roll?

Jump into the editor and start building your first dungeon — no account needed.

Launch DungeonPlanner