Immersive 3D Underground Tunnel — Crystal Caves & More
Loading Tunnels...
Drag to explore, Shift+Click to tunnel, Click to enter!
Tunnel Controls
3D Underground Tunnel
Step inside a glowing 3D underground world built entirely in your browser — explore crystal caverns, mining shafts, and lava flows in real time.
What this tool does
An immersive Three.js-powered 3D underground environment you can explore in first-person. Navigate through multiple zones including a crystal cavern, active mining shaft, lava flow area, fossil vault, and a lost tunnel. Runs entirely in the browser — no installation needed.
Who this is for
3D web developers looking for a WebGL showcase
Educators using immersive demos in the classroom
Game designers seeking inspiration for underground level design
Anyone who enjoys exploring interactive 3D environments
How to use this tool
Use WASD or arrow keys to move through the tunnel
Mouse-look to rotate your view
Explore each named zone listed on the overview panel
Press Escape or use the menu to exit a zone
Inputs
Keyboard / touch — Movement and camera control
Zone selection — Click a zone name to jump to it directly
Outputs
Interactive experience — Real-time 3D exploration in-browser
Screenshot — Capture any moment with your browser's screenshot tool
Example use cases
Web demo — Embed as an interactive background on a studio portfolio site
Classroom engagement — Show students a real-time 3D environment as a WebGL coding example
Game reference — Use the underground environment as reference for a dungeon level design
Fun exploration — Just explore — the bioluminescent crystal cavern is stunning
Yes — touch controls are supported. A modern smartphone or tablet works well.
▶ Can I embed this on my website?
The HTML file can be served from any web host. Place it in an iframe for embedding.
▶ How is it built?
Pure Three.js WebGL — no frameworks or plugins. View the source for the full code.
▶ Can I add my own zones?
Absolutely — open the file in a text editor and follow the zone template in the JavaScript.
Need a custom tool built for your business?
SolvProb builds custom web apps, automation tools, and 3D experiences tailored to your workflow — typically faster and more affordable than you'd expect.
