Crystal Crash Nova

Blue and Yellow Crystal balls attack you and you should destroy them before they destroy you. In order to win the game, the color of all the crystals should be Red on the screen. The total number of crystals is constant for each level. All crystals are fragile and yellow crystals become red crystals and also red crystals do not move. Laser beam goes through from screen center to touch position. There are 15 levels and difficulty of the game is increased in each level. Enjoy it and please don't forget to rate the game. There is a pre-level for understanding the game.