Your ship's shield is decreasing each time you fly into something, or get hit by enemy projectiles.
Most enemy projectiles can be blocked by Bravoman's attacks.
Darkwing can also deflect certain enemy projectiles by using his cape.
More missiles will be fired the longer one charges the attack, and the closer one is to enemy projectiles.
Abadox is also difficult, since it takes one hit from an enemy projectile to be killed.
His short stature allows him to safely pass under enemy projectiles.
A nuke will also destroy all enemy projectiles on the screen.
Newer "bullet hell" games feature overwhelming numbers of enemy projectiles.
During the use of the break laser, the vessel becomes invincible and all enemy projectiles can be destroyed.
Each enemy projectile destroyed by the break laser increases the hit counter by one.