In this game you need to keep the stone in the screen as long as you can. This game is similar with breakout games. The galaxy stones are moving and they are hitting on the walls and sometimes they change the direction and speed. So this is hard to play and you need to save the earth from this rocks and stones. galaxy stones,puzzle game,save earth,physics game,challenging puzzle,ball game,bricks game,strategy game,skill based game,mouse control,breakout games,earth saving,stone puzzle