The House of the Dead 4 Cheats

This code can be entered before or after inserting credits, at the title screen.

Input this sequence on either gun:
Let 1 be the trigger, and 2 be the greanade button.
Press: 1, 1, 2, 2, 1, 2, 1

You should hear a sound if the code was entered correctly.

Your score will then be displayed on the upper corners of the screen during gameplay.