Published at https://gamf.github.io/3d/.

• games.json — the list of games in this genre (the hub reads this).
• games/<slug>/ — one self-contained folder per game.
• index.html — this genre's own landing page.

3D games use Three.js loaded from a CDN via an import map (no build step). Copy ../templates/template-3d-three/ to start. See ../docs/ADD-GAME.md.