The actual developer of this Mac application is Parsec Productions. The program is categorized as Games.
From the developer:
Slender is a first person horror game created by Parsec Productions where your only goal is to find 8 manuscripts about the Slender Man, a paranormal creature.
You may want to check out more Mac applications, such as Slender-The Eight Pages, Templates Box for Pages or Slender, which might be related to Slender - The Eight Pages.
Adventure
Roleplay