Several years ago, your sister went to another planet to become the discoverer of a new world. There she went missing, and no one knows what happened to her. You have no other option but to walk in her footsteps and try to find out anything you can about her fate! In the process, you will undergo difficult trials, because you will go down to the sea bottom and can only move around in a scuba suit or a submarine. Collect various resources, use them to create useful items, find answers to all questions!