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.
Buy weapons, armors, troops and towers. Bring everything that you have to keep secure your base or to destroy your enemy. An insane and violent action shooting game!
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!