The use of sickly yellows and browns, alongside graininess, contributes to a "toxic" and tense feel as the protagonists' situation worsens.
The film is dense with authentic-sounding scientific jargon and lacks traditional exposition. Primer
The second half of the movie becomes a "puzzle box" of overlapping timelines and multiple versions of the same characters, making it nearly impossible to fully grasp on a first viewing. The use of sickly yellows and browns, alongside