This is the best from 3Planesoft, but you should buy them all.

For the price, these apps are a great deal. This one and Earth 3D are my favorites. They will relax you and make you feel like you have the greatest computer ever. I am running it right now on a mid-2009 Macbook Pro 13" 2.26 Core Duo and it works great. No noticable slowing of the computer and the graphics are perfect.

mjl69 about Dolphins 3D