Start from language, not implementation
Making a browser game without coding does not mean avoiding structure. It means moving the structure into the prompt, the template choice, and the revision loop instead of writing the first version by hand.
Describe the mechanic, audience, controls, timer, and win state in plain language. The clearer the game brief is, the less you need code knowledge just to reach a playable draft.
Use templates when the mechanic is obvious
Templates help when you already know the pattern: quiz, memory, runner, puzzle, clicker, or snake. They reduce ambiguity and give you a faster first version with fewer moving parts to explain.
When the idea is less standard, start broader with the maker path and let the AI shape the first structure from the prompt.
Edit from what the preview shows you
The preview becomes your feedback tool. You do not need to inspect code first to notice that the instructions are too long, the touch targets are too small, or the timer makes the round drag.
That is the practical advantage of no-code browser game creation: build, play, react, and improve the experience before worrying about deeper implementation details.