Excerpt - page 207: "... on simulating complex systems, such as the ecosystem in Maxis' SimEarth: The Living Planet (1990) or the railroad transportation system in ..."
Excerpt - page 188: "... nothing new for Wright. In the early 1990s, he released SimEarth and SimLife, precursors to Spore that covered similar ontological ground, ..."
Excerpt - page 8: "... ecological systems such as the Gaia hypothesis as inspiration for SimEarth or psychological theories such as Maslow's hierarchy of needs as ..."