PlayUSA

PlayUSA is an online turn-based strategy game in which the goal is to buy as many cities as you can with your starting balance of $100 billion. To win the game you need to gain as many points as you can before everybody is out. You can do this by buying cities or buying planes and flying them in between the cities that you own. You can play with as little as 1 other friend or with up to 3 people from around the globe.