Blow apart big waves of zombies using an array of guns and hired buddies to fight by your side. Purchase bigger and better guns and hire assistance with big firepower to give those hoards of zombies a good spanking, keeping them away of your territory.
Across the world terrorist threats are becoming a serious problem. Every country in the world today is deploying special forces to eliminate and neutralize terrorist threats. Destroy terror camps that are training terrorists.
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.