Best practice for code optimization

[samme]

Phaser 3 with modules

You need only 1 module script in the HTML document, e.g., main.js. That’s the entry point. That script can import any other modules it needs. In the browser, module identifiers are URLs (unless you use import maps). Relative URLs must start with / or ./. Phaser global with modules Phaser ESM with modules (since v3.60; experimental)