Shoot down every single bandit until the wanted criminal is drawn out. Assassinate the level bosses to proceed to the next level. You will have a wider arsenal of weapons as you progress and the bosses will get tougher.
Save the rebel fortress from a never-ending onslaught of enemy troops, jeeps, tanks, artillery and helicopters. Shoot them all down before they destroy it.
There are two sides of power: the outer and the inner. Master both to conquer ancient China. Use soldiers to conquer new provinces and use spies to disclose enemy attack plans and kill their generals.
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.
After the earth was nearly destroyed by an all-out global war, much of its land has become a wasted desert. You're one of the few survivors who must defend your settlement from hordes of mutants.
A kaleidoscopic bullet-hell shooter game requiring you to rotate left and right or move closer and further away from the enemy mothership as your laser will wear down their defense shields, destroying their weapons and the ship.