"An international research station in the Coral Sea comes under siege during a geological disaster that triggers massive quakes, deadly tsunamis, and volcanic eruptions. To stop the world from burning, it's up to Sigma Force to uncover a secret buried at the heart of our planet"--

Throw on your scuba gear and dive beneath the waves to seek out the treasures and mysteries of the deep. Enter the exciting underwater world of shipwrecks and travel from the warm, shallow waters of the Caribbean to the dark, icy waters of the North Atlantic to search for remnants of the Titanic.

1898: Bound for Chicago, the freighter Jerry McGuen goes down in Lake Michigan, taking with it every man aboard. But what other fate could befall a vessel carrying the ill-gotten sarcophagus of an Egyptian sorcerer? Now: A veteran diver and 'ghost ship' expert is exploring the legendary wreck for a documentary. He dies inexplicably inside the freighter's main saloon. Then another diver is killed and panicked rumors rise like bubbles from the lake:...

"Leah is changed. Months earlier, she left for a routine expedition, only this time her submarine sank to the sea floor. When she finally surfaces and returns home, her wife Miri knows that something is wrong. Barely eating and lost in her thoughts, Leah rotates between rooms in their apartment, running the taps morning and night. As Miri searches for answers, desperate to understand what happened below the water, she must face the possibility that...

Explore and survive in an alien underwater world.