High Quality Content by WIKIPEDIA articles! SimCity 4 (SC4) is a city-building/urban planning simulation computer game developed by Maxis, a subsidiary of Electronic Arts. It was released on January 14, 2003. It is the fourth installment in the SimCity series. SimCity 4 has a single expansion pack called Rush Hour which adds new transit features to the game. SimCity 4: Deluxe Edition contained the original game and Rush Hour combined as a single product.