I took over the Sandstorm project and changed it to 3d with more passive gameplay (protecting treasure reliquary from attacking raiders), here's what I've done with it on day 3, there's a video to watch:
https://theterrificjd.itch.io/day-3-sandstorm-raiders
Really solid start where the raiders now slowly spawn settlements over time and try to steal your treasure, and you have to use your sand powers to stop them. I didn't get around to adding nearly as much as I wanted to and encountered frustrating Unity Bug entirely irrelevant to everything I was doing that required me to restart the editor every time I wanted to get rid of it... Never enough time when you've got so many ideas :D