UP880685 - Not really asteroid maybe(?

This game is followed by tutorial. All image and wallpaper are made by myself.

Reference:

http://yoyogames.com/learn

How to play:

Press W,A,S,D to move the plane.

Left click to shoot.

Destroying each normal size asteroids get 1 mark.

Destroying each huge asteroids get 2 marks.

Game Over if the plane collides the asteroid.