Sim City enters the 21st century with this new city builder for the PC.
Players can trade with others across the world, collaborate to build real landmarks, and download "tycoon" mini-games.
The main game involves building a city in 3D from a selection of more than 500 buildings while keeping the population happy.
It is possible to get up to 17 million people into one city as players take account of pollution, traffic, trade and class.
Cities are built on real-world 3-D maps letting players zoom in from a Google Earth perspective to street level where they can see the inhabitants close-up.
Players can go online and join a planet with up to 10,000 other cities, chat with friends, trade access resources and build megastructures.
Downloadable content includes a medieval pack, realistic map of Río de Janeiro, a Ford dealership, Chinatown, Manhattan, stadiums and transport system.
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