There are a few moments from Playdead’s Inside that will live rent-free in my head forever, but my favourite involves a submarine. After you steal the underwater vessel from some unwitting researchers, you crash through a barricade, revealing an entire sunken realm of sky rises, office blocks, and yes, a creepy water troll that tries to drown you and I still shudder to think of. But it did get me thinking about the potential of setting a gloomy side-scroller underwater. Enter Silt... Read more.