A Shrieker Zombie is a type of zombie in the Nazi Zombies map Shangri-La. It blinds the player and has an appearance very different from regular zombies. The Shrieker Zombie can use a Sonic Boom like attack, which makes it harder for the Player to see. Killing a Shrieker Zombie while blinded by it will give you an Achievement/Trophy: Blinded By The Fright, it is worth 30 GamerPoints.