Doodle Scroll
Try and get the highest score as possible but the more enemys you shoot will cause more waves of enemys to come at you and change there attack and some enemys need more bullets to shoot them down. The help you achive shooting more waves of enemy you can collect 5 types of equipment (e.g. ExtraBullets, shipSheild, ShipBulletSpeed, ShipSpeedUp, Atom) These items will help you get the highest score possible.