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 stake.

Why are we here just to suffer What secrets does The Corporation hold? What's lurking in that dark abyss? Uncover something everyone fears yet few truly know...

You will die. No matter what, you will die. But there's one thing you can control — whether you die at the beginning or die at the very end.