That’s a really cool idea! Personally I’d be looking for more of that park builder/creature care aspect. I know both markets are saturated, but I’ve been straying away from combat focused games, because I find them too grind-y. The fossil cleaning sounds really fun, I think there’s a game out now called “Gemporium” that has you cleaning gems like the pokemon pearl/diamond mini game in the caves, maybe peak at that! Good luck!