Items are usually at the center of each “puzzle” but it’s mostly trial and error. Blocks covering the item can’t be broken and become marked if you try - it’s pretty simplistic on that front.

There are different types of blocks surrounding the item that require different approach (some need multiple prods, others have to be tackled from a specific side) but, at least in its current form, it’s not a complicated system. I hope they’ll add some challenge later on but that depends on what kind of experience they’re aiming for.

I’d say give it a shot if you’re curious - they have a demo on their Steam page.