Slender

The film's script was finalized and sold to Blumhouse Productions executives Jason Blum & Oren Peli which then signed a contract with Warner Bros. and Legendary Pictures in alignment with Dark Castle Entertainment to distribute the film and acquire a significantly large budget.

The script finalization was August 23rd 2011 and went into pre-production the following year in October.

Upon being picked up by Warner Bros., Legendary Pictures and Dark Castle Entertainment in 2013 the film went into filming and then post-production which concluded on February 8th, 2015.

The film was shot primarily in Southern Germany, in locales such as the Black Forest, the small village of Schiltach during the harsh winter of 2014, The Belchen Overview of the Alps, Ortenberg Castle and Offenburg Youth Hostel.