Download the freeware horror game, Slenderman’s Shadow – Sanatorium, from this page. It is based on the game Slender.
In Slenderman’s Shadow, you must evade Slenderman and collect every note to win. The action unfolds in an abandoned sanatorium, where Slenderman stalks your every step to prevent your escape.
Avoid Slenderman at all costs, or face his wrath!