Slenderman Must Die Chapter 1: Sanatorium is an exciting Shooting Game and published on May 26th, 2014 and has been played 4,009 times and has a rating of 96% after 47 votes.
Completely New 'Slender man Experience'. You have to collect 8 pages, but this time you have a gun. Shoot 'Slender man' and Escape the Horror. Great 3D Graphics This game is not like any other 'Slender man' you've ever played.