ChatGPT-6 Astra just built Little Rail World—a fully interactive planet running in your browser. Spin the globe, hop on trains, haul cargo between villages. All powered by Three.js and WebGL.

This isn't just a tech flex. It's a glimpse at AI-generated worlds that actually work. No downloads, no lag. Just click and play.

Why it matters for crypto/web3:
• AI-generated game economies could spawn new token mechanics
• Browser-based = frictionless onboarding for web3 games
• If AI can build this in hours, imagine what it does for metaverse tooling

The barrier between idea and execution is collapsing. Builders who move fast will eat.