Slender Man Origins 3 Free. Abandoned School 1.40 Apk Free Download Details: Name:  Slender Man Origins 3 Free. Abandoned School Category:  Adventure Current Version:  1.40 Screen Shot: Description: The long-awaited sequel to the major hit games Slender Man Origins 1 & 2.Introducing Slender Man Origins 3: Abandoned School. *********************************************Install all our Slender Man games: Slender Man Origins 1 (Lost