SimEarth is a complex god simulation game originally developed by Maxis and published by Imagineer for the Super Famicom on October 4, 1991. It is a port of the 1990 PC game designed by Will Wright, who also created SimCity. SimEarth is a planetary simulation where players take on the role of a deity, controlling the evolution of life, climate, geology, and civilization on a virtual planet. The game is known for its depth, complexity, and educational value, offering players a unique insight into the interconnected systems of our world.
Players can choose from various planet types, including Earth-like, Mars-like, Venus-like, and others, each with its own initial conditions and challenges. The game simulates plate tectonics, atmospheric composition, climate, and the evolution of life, from single-celled organisms to complex multicellular life and eventual civilizations. Players can influence these processes through "tweaks," such as adjusting temperature, adding oxygen, or creating new species. The game also includes a "civilization" phase where intelligent life develops technology, builds cities, and even achieves space travel.
The game's interface is complex but manageable, with multiple screens showing different aspects of the planet, such as temperature, precipitation, and life distribution. The game also includes a "terraforming" feature, where players can actively reshape the planet's environment to support life. The game's goal is to guide the planet to a "paradise" state, where life is abundant and civilization thrives, but players can also experiment with creating extinction events or alien invasions for entertainment.
SimEarth was praised for its educational value and depth, though it was criticized for its steep learning curve and sometimes opaque mechanics. The Super Famicom port was well-received for its faithful conversion and the inclusion of a more user-friendly interface. The game remains a classic among simulation enthusiasts and a testament to Will Wright's visionary game design.