Was heavily inspired by the films of Italian horror director Dario Argento, especially Phenomena (1985) and Suspiria (1977).
Jennifer Simpson, the main character of the game, was based on Jennifer Connelly's character in Phenomena (1985) (whose name is also Jennifer).
The mural art on the front of Clock Tower SFC's Box bears similarity to the oil painting, "Girl with a Pearl Earring" by Dutch Golden Age painter Johannes Vermeer in 1665.