A certain pirate is keeping a treasure and he learned that zombies want it too. He ask you to help him protect the treasures. Of course, you would get paid for protecting the treasures. The game is played via mouse and keyboard. You earn money on every kill and you should buy better guns to defend the ship. The game would be more difficult, so you need better guns to protect the ship with. You could use the money to buy better guns. You can unlock better guns as you make some progress in the story. Of course, you need the money to buy them.