Get ready to step into the unknown battlegrounds with an epic defense strategy where you will have to outwit, out gun, and outplay vicious alien creeps to win this massive battle simulator game. Ultimate Alien Defense is an epitome of both tower defense strategy & real-time epic battle strategy game, letting you experience an adrenaline fueled nonstop alien defense on the last battlegrounds in a grand battle game. After the alien invasion you were one of the last man standing, be part of the lone survivor army where you will meet player unknown and defeat the aliens in the battle grand game. Recruit tactical battle soldier, place them on slots & let them take down the incoming horde of alien creeps. Imagine you are the lone survivor of alien creep invasion in this futuristic battle game. This alien defense strategy is no piece of cake, you will have to collaborate with player unknown to you, and wage epic battle in unknown battlegrounds against the creeps. Use your tower defense skills effectively in this do or die situation because one wrong move may cost you your life and any chances of winning the grand battle. Experience the ultimate battle royale in a totally new battle simulator as the alien war begins. Fight to be the lone survivor in the last battlegrounds against the grand battle aliens. Join the on-going war simulator against the alien horde. Choose between powerful troops all equipped with unique gear and devise a perfect defense strategy to win the massive war