The choice of music was inspired by the opening sequences of The Hills Have Eyes (2006) and Mais ne nous délivrez pas du mal (1971).
A sequence of shots between day and night had to be done on different days, complying with the working hours of the faculty building.
All music in the film bears existential references to death and time.
For the last scene of the film, a computer-generated shadow was created to mimic the Entity.
Shot in the faculty of biology at Hacettepe University in Ankara, in a period of two months.