FathomYou must play this. The first few seconds of Fathom’s shooty platforming are pleasant enough: chunky pixels, slick control, synthy sounds. But are you thinking the opening boss battle seems suspiciously hard? You’d be right. Suddenly, Fathom turns into something very beautiful indeed. We won’t spoil the surprise. Except to say that the title will, eventually, make a whole lot of sense. Play Fathom (Flash)