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.
The clockworks are attacking! Use your turrets to knock out approaching clockwork enemies. Don't let them reach the source well before the day ends or the battle is lost.
In this third installment, you must defend mother Russia from the clutches of evil via building a solid defense against the German invasion. Try different builds and strategies to overcome the offensive.
***** Right mouse click and forward to start.
Defend against the robo-bugs that are trying to take over your base. Unlock and upgrade new areas and special weapons. Collect enough exp points to get more powerful weapons.
