Campaign for the Cosmos http://cftc.woodzy.com/
It requires a javascript capable browser. You create and manage an empire in space and try to develop the best strategy so you can rule the galaxy. You get resources every hour and you use them to build buildings and military. Gain Planets, research, explore and fight against your oponents. You can chose from six races: Human, Bellarian, Baradin, Agricolan, Molorian, Olaren.