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



<h3>Release Date</h3>
March 2014 (Android). January 2021 (WebGL).

<h3>Developer</h3>
Poison Games made Slenderman Must Die: Sanatorium 2021.

<h3>Platforms</h3>
<ul>
<li>Web browser</li>
  <li>Android</li>
</ul>


Slenderman Must Die: Silent Streets

Slenderman Must Die: Graveyard

Slenderman Must Die: Underground Bunker

Shooting

Horror

Zombie

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

Slenderman Must Die: Sanatorium 2021

Slenderman Must Die: Sanatorium 2021 is a high-quality zombie game that you can play here directly in your browser, free of charge. You can play this game unblocked on CrazyGames. The game includes detailed keyboard and mouse controls . That way, it is easy to see how to play the game. Slenderman Must Die: Sanatorium 2021 is made with Unity WebGL technology to run in all modern browsers. Slenderman Must Die: Sanatorium 2021 is available on your computer and as an Android app. Did you like playing this game? Then take a look at our other <a href='https://www.crazygames.com/t/zombie' target='_blank'>zombie games</a> or <a href='https://www.crazygames.com/game/build-and-crush' target='_blank'>Build and Crush</a> and <a href='https://www.crazygames.com/game/stickman-zombie-annihilation' target='_blank'>Stickman Zombie Annihilation</a>.

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Slenderman Must Die: Sanatorium 2021

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