Slenderman Must Die: Sanatorium 2021

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

Controls

W A S D to walk around
Mouse to look around
Left Mouse Button to shoot
Right Mouse Button to aim
Mouse wheel to switch weapons
R to reload
F to pickup items
Left Shift to run
Left CTRL to crouch
X to prone
Space bar to jump