Protect the planet from meteor falls and defend it with you cannon! The is a Tower Defense Game . The goal is shooting and destroying the meteors before they falling on the ground. You can rotate your cannon to adjust the shooting angle by swiping up and down on screen. Tap the FIRE button to shoot the meteors. Your planet ground could only be hit less than 3 times, this means you can only miss less than 3 meteors, otherwise you will get a "Game Over" . The more meteors you shoot and destroy the higher score you can get. Find out how much meteors you can shoot and destroy by your cannon, and challenge your self to get your best score record. This is a rather simple game for you to kill time when you are on a bus, in subway for waiting in a line. Key Features: - Tap the fire button to shoot. - Swipe to rotate the cannon to adjust shooting angle. - Missing 3 meteors leads to a failure. - The more meteors you shoot the higher score you get, challenge your BEST SCORE . - Easy to start, good choice to kill time. Destroy the meteors as many as you can, kill time and be the defender of the galaxy!