Become the last line of defense and save humankind from extinction! Grab your guns and grenades and fight to the last alien!

• Fight through the city and kill epic enemies
  
• Live through dramatic battles against space invaders
  
• Stunning Boss fights
  
• New Stage 10 and Survival modes
  
• Save your ammo, and don't get attacked
  
• Kill thousands of opponents and save the Earth
  
• Stand on the front line of war and test your determination