User Summary A World All Your Own: Create any world you can imagine! From staggering mountains and sprawling forests to a deep sea dotted with islands, there's no limit to your creations. Life From the Beginning: Discover the history of everything as you foster life of all shapes and sizes - from the first amoeba to dinosaurs and more. Cultivate Your Imagination: Imagine, Experiment, Create! Shape your planet and decide how plant and animal life evolves. No two planets will ever be truly alike.