Defend the Earth from invading UFOs. Aliens are invading our earth and it is up to you to defend an important nuclear factory. Buy cannons, train new defenders and tell them what to do.
Create units and gun towers to protect your castle against enemy units. Don't forget to fire your main weapon which is placed at the top of your base. *** Recommend playing in full screen mode.
You are sent out into the desert on a diversion mission. You must survive enemy attack for six days until main forces will take over. Defend your desert position for six long days.
