This product includes Silt. The top 3 reasons to play Silt Silt is a surreal underwater puzzle-adventure game. Discover strange organisms, unexplored ruins and ancient machinery hidden beneath the water’s surface. Survive encounters with giant deep-sea goliaths. About Silt Silt is a surreal underwater puzzle-adventure game. Alone in an underwater abyss, you are a diver searching the deep to uncover long-forgotten mysteries. Possess the creatures around you to solve puzzles and travel further into the darkness… Nature has evolved into bizarre forms. Discover strange organism