Includes: Valley Slender: The Arrival (2015) Blue Isle Studios is proud to present The Light and Dark Bundle - A collection of Blue Isle's indie hits: Valley and Slender: The Arrival.Our Light and Dark Bundle brings you one of the scariest titles on the Xbox One and some eye bleach to help you sleep at night.Fight for survival and embark on a terrifying journey in Slender: The Arrival, then run jump and hookshot through the beautiful rocky mountains of Valley.