I am game developer.
In game development I am using my own open source 3D web game engine that use Svelte + Three.js + Ammo.js. https://github.com/raidan00/dvijcock
Currently I am participate in ithc.io jams and after submissions is closed publish games source code in my GitHub. Game repository name starts with "dc-game-..." You are free to use this games source as template for your games because they under MIT license.