Oops, You Missed Something!

It can feel aggravating to go through a game and find out that there’s something you missed, and that you can’t go back and get it. And yet, it can also feel aggravating to spend hours searching and re-searching areas just to make sure you haven’t missed anything. So how might we reach some kind of middle ground that can protect our sense of exploration while preventing us from missing content we want to find?