Simoleons
Simoleons are the main currency in SimCity BuildIt. When first downloaded the player starts with 25,000 Simoleons and they can be earned by the City Hall, Selling items in the Trade Depot, Doing Cargo ship and Airport deliveries, Claiming the daily chest, popping gift bubbles, bulldozing buldings and roads for Simoleons, selling items to advisors, rewards from many events such as Contest of Mayors and Event tracks, and upgrading residential zones. They can be used to build buildings that cost Simoleons, purchase items from the Global Trade HQ, do OMEGA processing, upgrade roads, and upgrade commercial buildings.