*Use you mouse to aim your Argent Burst missle defence. 

*Hit the left mouse button to fire. 

*Shoot at in coming missiles by moving your mouse pointer to
 the top of the playing screen. 

*As Missles get closer, move your aim lower and blanket bomb 
 the incoming missiles by hitting the left button repeatedly. 

*You never run out of ammo so fast shooting is the key to Argent Burst.