SimEarth: The Living Planet for DOS, released in 1990 by Maxis, is a complex planet simulation game where players shape the evolution of an entire world. You manage climate, atmosphere, geology, and life forms, guiding your planet through different geological ages. With detailed ecosystems, natural disasters, and the potential rise (or fall) of intelligent civilizations, SimEarth offers a deep, sandbox-style experience, appealing to fans of simulation and scientific experimentation on a planetary scale.