Dynastica is a groundbreaking web-based 3D strategy game set in an exciting fantasy world with up to 50 online players in each realm. Each game lasts for 1-2 months. Players can join alliances with friends and create unique strategic combinations of warfare, magic, religion and trade to reap the benefits of cooperation. The game is currently in open beta.
web based??? wow
but listen up, Age Of Empires Online is coming, just so you know what you're up against.
Settlers Online, Age of Empires Online, Cultures Online. Those Browsergames are not as much of a threat as you may think.