Use the tower's new and unbelievably cool Super Activated Abilities to lay waste to the endless swarms of balloons. You'll need all the firepower you can get to combat the new Balloon types and new tracks with moving parts and tunnels.
Deploy your units to ambush the passing by enemies. Enemies will return fire so beware that your troops may be killed. Luckily, allied airplanes will fly by to assist you.
Strategically deploy troops, vehicles, and aircraft to defeat the enemy and defend your base. Explore the battlefield to find enemy units hidden in the fog of war. Control of the Galaxy depends on your command!
Your base is under attack! Get your best chopper out there immediately and demolish every enemy unit on sight. Don't forget to build towers and repair damaged towers to help accomplish your mission.
Fight an infection present in human body. The first battle takes place in the nose. All towers produce units slowly over time. To get more units, you need to claim more towers and make them your own. Take over all enemy bases to complete each level.