Fire your little steel ball and shoot down all the red iron balls! In the game, the player's task is to shoot down the red ball can pass the border, to note that the number of launched iron ball is limited, must be in the iron ball before the total elimination of the red ball.
Mouse operation, mouse click, launch iron ball.
Reasonable manipulation, shot down all red ball can pass.
When the game is loaded, click on level 1 to start the game