Have you played Stronghold or the second one Crusader??  

I loved these games they were very addictive and very good gameplay to them:p
You basicaly get your start settlment and a few resorses then from there you have to produce various things to help your people grow and be able to fight. there are many different enimies who wish to crush you and your stronghold so the aim of the game is basicaly to get yourself a decent army and do battle but also in the mean time build your castle so your enemie cannot kill you .
It ia a very good game and i would like to speak to people who have played and like this game Thanks for your time