Keep your base safe from the huge advancing army using your trusty sniper rifle, air strikes and artillery. With each wave the invading army gets stronger, spend your money on the right upgrades and try to survive the war!
Defend the tower as aliens are in full force of attack. Upgradable. Destroy as many aliens as possible and earn more credits to purchase/upgrade equipments.
Alien invasion has begun! You control the last platoon of soldiers that have survived the onslaught. Protect your bases or once all the bases are destroyed, aliens will take control of everything!