By Greg Nowak, 19 July, 2026 KotobaMon: Shipping a 3D Browser Game With No Build Step and Self-Hosted Voice A look at fantasy.grn.dk, a browser-based 3D game that teaches Japanese with no build step, procedural art and self-hosted AI voice, and what its constraints show about shipping interactive products fast and cheap. Tags web development three.js browser games language learning self-hosted AI