In the game you have a choice:
Pistol - Beretta m8, original model of pistol and realistic sounds. Colorful animation of the shot and smoke. The sounds of gunshots and the reloading of the pistol.

Knife - Take the phone in your hand and swing in the air like a weapon in your hand, you will hear the blade of the knife cut the air, the knife has 3 levels of sensitivity to the swing, and different sounds for each.

The settings menu allows you to turn off and on the vibration, change the sensitivity settings and the background.