**Slenderman Must Die: Sanatorium 2021 - Chapter 1** is a thrilling horror survival game where you must navigate a terrifying, abandoned sanatorium to uncover eight hidden documents. As you explore eerie halls and dark corners, you’ll face terrifying encounters with Slenderman, who is determined to stop you. Your mission: Find all the pages before it’s too late, or become his next victim. Can you survive the nightmare? Play now and experience the ultimate challenge of fear and strategy!
Related Games

Emerland Solitaire Endless Journey
Card
Play

Santa Haircut
DressUp
Play

Dead Land: Survival
Adventure
Play

The Visit
Adventure
Play

Car Inspector: Truck
Car
Play

Merge Master Tanks: Tank Wars
Action
Play

Tap 3D Wood Block Away
Puzzle
Play

Tankgank
Multiplayer
Play

Moto Maniac
Bike
Play

Mk48.io
Multiplayer
Play

Goblin Punk Tower Defense
TowerDefense
Play

Zombie Mayhem Online
Shooting
Play

Deep Space Horror: Outpost
Shooting
Play

Word Duel
Puzzle
Play

Find Cat
Puzzle
Play

Gem Twins
Puzzle
Play