Treasure Beach is a scavenger game where you can sell what you find hidden in the sand to stingy shoppers—and let me warn you, it isn't easy

https://www.pcgamer.com/games/sim/treasure-beach-is-a-scavenger-game-where-you-can-sell-what-you-find-hidden-in-the-sand-to-stingy-shoppers-and-let-me-warn-you-it-isnt-easy/