@ Music Database Archive
As a boss fight, Nightmare City follows the standard Project Arrhythmia loop: the player controls a small square (Hal) and must dodge objects that pulse and move in synchronization with the music.
The level concludes on a psychological horror note; after navigating the city, the player seemingly makes it "home," only to find their "family" is not what it seems, ending with the grim realization that the "sunlight is locked away". Community and Legacy project arrhythmia nightmare city
The visual design features unsettling imagery, including floating eyeballs that track the player and shoot projectiles, and large, "dangerous hands" that can trap the player during specific segments. As a boss fight, Nightmare City follows the