Yea, basicly your a castle. You pick people up and kill them. Yay! Incredible hardness. Just some advice; buy a temple and an archery range as soon as possible, and always be converting someone. Play the game and you'll figure it out...
http://ebaumsworld.com/castle.html
Ugh. I stayed up over an hour playing it, completely forgetting I planned to make another attempt for a successful Sim City 3000 game on my last Saturday night before school starts for me.