It's up to you to defeat Slenderman in the 3D shooter game Slenderman History WWII Faceless Horror. Slenderman has teamed up with the Nazis to create a terrible army of zombie ghouls. Sneak into the military base in the dead of night to steal the documents relating to Slenderman's origin and discover how this faceless monstrosity can be defeated. You'll have to take down the armed Nazi soldiers, but also their first legion of horrifying zombies. Collect enough ammunition and dropped weapons to confront Slenderman at the very end.