Slenderman history: WW 2 zombies

The zombies penetrated the enemy base during the World War II. It said to destroy enemy soldiers and bloodthirsty zombies. You will stop Slenderman in the game. The Slenderman turned the soldiers into zombies. He wants to rule the world. You must find the secret materials for horrible experiments. This will be difficult since you will be attacked by zombies, enemy soldiers and Slenderman.