found some secrets
1: keep shooting the chairs alucard hides behind, you'll be able to kill him.
2: In the boss level theres a tank that says "Flammable" shoot it alot and it will blow up and hurt the boos and theres cops there to help you shoot
3: in the area where the girl pleads for death, nene, you cant shoot her with the gun
4: in the bath room (the one that the mini boss isnt in) theres a stall with someone in it he'll keep on talking and throwin shit at you. you cant use the gun for a bloody surprise
Thats all