The U.D.E. Corporation offers volunteers the chance to examine the ocean depths for a generous reward. The protagonist is one of them. At first glance, the job seems easy and well-paid, but is it really? The corporation is definitely hiding something...You will be lowered to the depth of 13 kilometeres, into a dark, unexplored world. You and your rusty craft - a submarine which you are to pilot and maintain throughout the expedition. Soon, one thing becomes certain — nothing good awaits. The feeling of being watched. Helpless and alone. Forced into puzzles with your own life at