Maxis and EA have released a new video revealing the new engine that will power the new installment of SimCity. The game, which is set to release in 2013, will be powered by the all-new GlassBox game engine. There is a lot that has gone into this engine which will power your city and keep it hustling and bustling day in and day out. There are a bunch of pieces all working together to bring your city to life, as you can see in the video below: