Describe a browser game, approve the plan and play it right in the IDE, then publish it to the Arcade so anyone can play it without making an account.
2 guides in this section of the VyroAI wiki.
Overview — Describe a browser game, approve the plan and play it inside the IDE as one HTML5 file. Which games work well, and why the preview needs an index.html.
Sharing — Publish your game so anyone can play it — and republish it when you change it.