A long long time ago, there were wars waged to form allegiances to see who was loyal to who. Those days are long gone, and now it is all out war between everyone. You are charge of keeping your city safe against the never ending onslaught of enemies trying to kill everyone. You must carefully place defensive units along your path and protect your people. In this game you have full control over every little aspect, and therefore requires the utmost strategy in order to win. Think about every little move you make, and do plan everything out until you have an unstoppable defense that none can break through.