Unlike the Ship or the Ufo, the Wave operates on a strict diagonal trajectory. When the player enters a "space" section—characterized by tight gaps and high-speed portals (2x, 3x, or 4x speed)—the margin for error shrinks to pixels. The movement becomes a digital heartbeat: a rhythmic, high-frequency "jitter-click" or "butterfly-click" where a single millisecond of over-holding results in immediate failure. This demands a level of hand-eye coordination that nears the biological limit of human reaction time. The Aesthetic of the Void