Click on the skin you want in menu and click to start to play. Use the arrow or wasd keys to move the turtle. The cannon will follow your mouse, and Click or space to fire. (only click for RPG) R key to reload, E for mine. 1 for rifle, 2 for minigun, and 3 for RPG. Touch a bandage to heal two health. Crabs can only be hurt by te RPG, the sea stars can only be hurt by the rifle, but the urchins can be hurt by anything.