Slenderman History: WWII Faceless Horror is an online survival shooting game set in a 3d map. In which, you need to destroy the undead before they do the same. Try your best to stay alive at the end of the match! Play Slenderman History: WWII Faceless Horror unblocked you can collect many interesting items for free. Be careful! The Nazi base is not a place that you can escape easily. Therefore, you should show your skills promptly. Otherwise, you will be killed first.