I wish the software/libraries mentioned had links to them, but the only links are to more videos from the author.

Here ya go https://kaplayjs.com/ https://kaplayjs.com/docs/guides/starting/ https://www.mapeditor.org/docs/scripting/ https://phaser.io/ https://phaser.io/tutorials/making-your-first-phaser-3-game/... https://www.aseprite.org/