UFO Fled- Help the UFO to fled from the asteroids by tapping the screen.
Outer space is very dangerous. In the dark universe,there are lots of advanced civilizations,
there are also lots of wars between them.
But they are very puny in front of the mysterious cosmic force.
Just like a bird flying in the sky ,the UFO is flappy in the universe.
The only thing they can do is escaping，escaping forever...
Could you help them to fled?