You are a fish in the vast ocean.
Life in the vast oceans is not at all easy and especially when you are the hunter as well as the one being hunted.
You can survive by eating the small fish and star fish. You loose your strength by eating the urchins. So in order to boost up get the Pearl to power up and get the ultimate speed and stamina.
Stay away from the large fishes and octopus as they are the only harmful creatures for you in this deadly journey.
Controls are simple... keep eating the small fishes, to go up the flow. if you cant get the fish, you are gone with the flow.
Enjoy the The Survival of the fittest