Slenderman Must Die: Sanatorium 2021 (Chapter 1) is a Slenderman survival game to find the hidden 8 papers in a scary sanatorium.

Release Date

March 2014 (Android). January 2021 (WebGL).

Developer

Poison Games made Slenderman Must Die: Sanatorium 2021.

Platforms

  • Web browser
  • Android

Gameplay Video