A dead genre that needs revitilization.
You wake up in the bathroom with a needle in your arm. You can’t remember your own name, and you don’t recognize your face in the mirror. As the story unfolds, you uncover your past and climb all over the fire escapes and through the sewers.
These kinds of games were fun for the time, you would find something in one area and then have to hunt for a place to use it. A lot of thinking and reward for close observation, not much action.