Build your defense base to repel alien invaders. Atahion is a strategy and tactical defense game in which you have to extract resources, build defense towers and use bonuses to complete the mission.- Build your defense how you want.- Defend your base from waves of enemies.- A variety of weapon towers, from conventional cannons to chemical bombs and rail gun, open all the towers in the research lab.- 23 buildings for construction include 12 weapon tower, 8 support and 3 economics.