Iron Sky Invasion

Iron Sky Invasion - a game on Android in which you will be in charge of a fleet to protect the Earth from UFO army. The aliens decided to invade Earth, and your task will be not to allow them to do it. 
Features:

• 18 missions
• 7 advanced spaceships in 3 classes
• Star Awards : win silver stars and unlock new ships after each mission
• Numerous enemy ships
• Three types of weapons
• Two control methods
• Beautiful graphics