World of War http://www.world-of-war.com/
World of War is an interactive strategy multiplayer game currently holding hundreds of players. You get new turns every 10th minute and a round normally last for 30 days. There are several different strategies to play and several different ways to try to get to the top of the charts. To ever be able to compete you need to either create a nation or join an established nation, if you don't have the support form a nation in form of tech and army you will be an easy prey for the predators out there. The game can be played through your web browser and requires no plug-ins.