Here is theOfficial GDC 2012 announce trailer for SimCity by EA Maxis. SimCity is a PC/MAC online city building simulation game from Maxis Studios. It is the quiessential city builder franchise that started a genre.
SimCity 5 Confirmed: Maxis to Make a More Socially and Environmentally Conscious Computer Game
EA made a lot of people happy at GDC this year with the announcement of a new SimCity game. The classic simulation game is being changed to reflect a larger world view with players working together with their separate cities .