You are the king, and you hate the paupers who want to take your money, so you kill them.
For this, you have the wall, for each level you have one bow.
But if they still arrive at the river (you have to take them by silly laws...), they enter in city and become pauper but they give you some money :).
Each pauper on the city eats, if you have less than 1 "Stock", you lose.
Producer produce Stock (5 per 1), you can transform a Pauper to Producer (clik on the producer rectangle :o)).
Nobles give money for each pauper you kill.
Sometime (often) a hero come, if he arrive at the city, he will kill half noble and half producer


ps : bug on chrome/IE at the end, works on opera/firefox