SimCity' SimCity is a computer game developed by Maxis and published by Electronic Arts. It is a city-building simulation game where players are tasked with building and managing a city. Players must manage resources such as land, population, and taxes in order to create a successful city. The game was first released in 1989 and has since spawned numerous sequels and spin-offs. SimCity is one of the most popular and influential city-building games of all time.