Stop the invasion before the enemy reaches our cities! Alien life forms have been detected and our army has mobilized its defensive tower forces to protect us.
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.
Don't let the creeps complete their path. Do that by building defense towers along the way. Manage and upgrade them to get to higher levels. You have 6 types of towers to choose from once you have enough gold.
Choose your antibiotics wisely to fight off the infections and save your patient. A fun way to relax and without you knowing it, you'll maybe even learn something useful.
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.