Finding yourself on a sunken vessel can hardly be called a delightful perspective. But that’s exactly the thing that happened to a mysterious girl called the Sixth. She needs to get away from this ominous vessels. But that won’t be easy – the only thing she has is a flashlight and the place is swarming with traps and wild monsters. Somewhere in its depths, there are secrets you just have to uncover because otherwise you will stay here for very long. Pull your courage together and help the heroine! Be attentive, think logically and use your ingenuity to solve all the puzzles.