The Cold War is in progress and two countries are trying to take control of some parts of the Ocean. The sea battle has begun and you have to control the biggest submarine typhoon class and destroy your enemies in the deep waters.
The typhoon class submarine is not a joke and it wields a power to destroy countries with one single shot. There is a nuclear weapon that can be used anytime if the order is given. Patrol the waters of the Atlantic, destroy other submarines with your torpedoes and avoid the mines that are falling from the ship. Stay alive and try to make it through. Complete the order and return home!