Amazing execution! Every action feels great in this game from mining a block to discovering a new fossil.
If you want to add new features: an evolution system where mining the same fossil increases its level until it evolves? pokemon intensifies
I don’t feel the theme sadly, I saw your explanation but I mean “Does any game without combat would not go wrong?” TBH, I even thought “Ahhhh this would be so fun with combat!” when reading your comment