In the game DDT you will need to protect the kingdom of people from the attack of soldiers of the sea king. He sent for the conquest of the lands of his soldiers the fishes closest to the sea. They have certain properties, and can stay on land without water for some time. You will see how the fish at speed will jump out of the water, fly over a certain border and fall to the land. Using the control keys you will move them and releasing shells on the enemy to destroy them all.
