Slenderman Must Die: Chapter 1 - Sanatorium. Completely New Slenderman Experience on Android. You have to collect 8 pages, but this time you have a GUN! Shoot Slenderman and Escape the Horror. Great 3D Graphics. Change Level of Details to fit your device! Slender Man Free Full Version. This game is not like any other Slenderman you've played. Join Us On Facebook.