I don't know why but I feel so good burning things, especially with a beautiful fire explosion of dust and gas... Is this what this thing is about?

Whatever you desire I guess.

The author made a blog post about creating that game https://maxbittker.com/making-sandspiel/ Maybe it gives you more ideas. Also, check out the info https://sandspiel.club/info/ to see how the stuff interacts with each other if you haven't done already