Cryostasis: Sleep of Reason is a first-person shooter/survival horror video game by Action Forms for Microsoft Windows. It was released on December 5th, 2008 in the CIS, February 27, 2009 in Europe and April 20, 2009 in North America.
Cryostasis takes place in 1981 on an Arktika class nuclear icebreaker called the North Wind, which has become shipwrecked near the North Pole. The main character, Alexander Nesterov, is a Russian meteorologist who finds himself aboard the ship and begins to investigate what happened. But he’s not alone, and the North Wind is now plagued by dead crewmen who have undergone a bizarre metamorphosis.