Can you imagine that only you alone will go to the depth of some ocean where strange animals await you, not looking very friendly? If you have enough courage, put on diving suit and go on. Our hero dives for a treasure that is hidden in big wooden boxes. To get there without any harm he is armed with a harpoon and sword. All dangerously looking creatures is better to liquidate on sight. The harpoon has limited ammo but with the sword you can fight as long as you can. After you finish any level you can buy some upgrades, health or oxygen.