Hello guys,
Try New 1000 AD. Its a free multiplayer turn based strategy war game based on empires around 1000 ad. Empire building game, build a medieval empire from the ground up and battle with other players for control of the game. 10 different empires to choose from.
http://www.new1000ad.com
Also have some you tube videos to give you an idea if you want to give it a try,.
http://www.youtube.com/user/New1000AD?feature=mhee
http://www.youtube.com/watch?v=J3tK2nHyF-A&feature=plcp