Thank you! There's a lot more resources that can be super helpful for game dev newbies on the js13kgames competition website. There are even post-mortems of lots of game devs explaining how they built their games. Some are really, really awesome like:
To point just a couple.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.