Prepare a combat submarine for battle, spending the funds allocated to you in the amount of two thousand coins. Think carefully about what may come in handy first and come to the position. On the planet committed invasion. Aliens decided to seize your seas and oceans, but this is only the beginning. Sea depths flooded creepy creatures. They feel completely comfortable in the water, they do not need special breathing devices. Huge monsters will attack your ship and your task is to destroy them, trying not to let them get too close to Marine Invaders.