The player need to shoot the enemy fighters by using the mouse right click and move to the next levels. Shoot all the enemies and gain score as well as money. When you move to the next level you can buy new weapons to kill the enemy fighters. Your strength will decrease when the enemy fighter shoots you. Game ends when your strength is lost.
Use mouse right click to shoot the enemy fighters. Score and money increases when you shoot the enemy fighters and can move to the next levels by buying new weapons. Game ends when you lose the strength.