Best adventure games with a dark story

At a certain point in our gaming journey, we will get bored of the same old games that we typically play on our smartphones. Like shooting games, racing, fighting, MOBAs....etc. For today's video though, we are going to switch things around and take a look of 15 unusual and unique Dark Atmospheric games that you need to know about and potentially try at least one of them. I'm talking about games with rich stories, multi-ending, amazing voiceovers, unique gameplay style, games with hidden mysteries.