The 3rd installment in the Save From Aliens series. Save Earth from the alien invasion by shooting down the alien spacecraft. Don't let them destroy all of the buildings or it's game over! Collect hearts to repair the buildings, collect the blue power up to repair your ship. Save From Aliens III,alien invasion,space shooter,shooting game,mobile game,spaceship shooting,space battle,defend earth,repair buildings,power-ups,arcade game,retro game,space game,alien defense