It took 3.5 billion years to make this game. Winning: The player with the most species at the end of the game wins. A game of evolution. Each player starts with a single species. The game is played on a 6x6 grid composed of three kinds of spaces: Land, Open Water, and Islands. The board is also divided into three types of zones: Arctic, Tropical, and Temperate. The game lasts for sixteen turns, with each turn representing a different Geologic Era, Period, or Epoch, from the Archean to the Quaternary.

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