In Planet, deploy your mountain ranges and your deserts; expand your forests, oceans and glaciers. Position your continents wisely to form the environments conducive to the emergence of animal life and to attempt to create the most populous and diverse of the Planets!

During the 12 turns of the game, judiciously position your continent tiles to form environments conducive to the appearance of animal life. Earn points by completing your "natural environment" objective, and populating your planet with as many animals as possible. The player with the most points wins the game.