This trailer served as the final marketing push for a low-budget foreign film based on a popular Japanese video game, with the challenge of making the concept feel urgent and accessible to American audiences. Because the story centered around a specific subway exit, we used subway announcements, gate numbers, and transit sound design as a structural device to drive the edit forward. As the numbers and announcements gradually devolved into chaos, the visuals escalated alongside them, reinforcing the film’s tension and psychological descent. Using familiar transit sounds in an increasingly distorted way helped create subconscious tension, reinforcing the audience’s sense of confusion and unease without relying on traditional horror scoring. ​ Creative takeaway: Familiar environmental sounds can be repurposed to build tension and reinforce narrative themes.