Smart World Builder v2 — Free Browser Procedural 3D World Generator by KAG3D
What is Smart World Builder?
Smart World Builder v2 is a powerful free browser tool by KAG3D that generates entire 3D worlds procedurally. Built with Three.js and WebGL, it creates stunning stylized environments including terrains, caves, crypts, ruins, dungeons, and volcanic landscapes — entirely in your web browser with no software to install.
Environments You Can Generate
- Open stylized terrains with procedural vegetation and trees
- Dungeon layouts with rooms, corridors, and torches
- Cave systems with stalactites and underground water
- Ancient ruins and crumbling structures
- Volcanic environments with lava and ash particles
- Cinematic lowpoly islands
- Underwater environments
Features
- Day/night cycle with dynamic sky
- Dynamic weather: rain, fog, snow
- FPS-style exploration controls
- Procedural vegetation and object placement
- Water simulation with reflections
- Particle systems for fire, smoke, and atmosphere
- Multiple rendering modes
How to Use
- Visit https://kag3d.com/content/tools/Smart-world-builder/
- Select a world type from the control panel
- Click Generate to create a new procedural world
- Use WASD + mouse to explore in FPS mode
- Adjust parameters in the panel to customize the world