Glitchy electronic textures and distorted synth that feel like something breaking inside a machine. Abnormal Treatment is a PC visual novel and its OST matches the title with music that sounds deliberately off-balance. "崩坏边缘" (Edge of Collapse) does exactly what you'd expect from that name, building tension through fractured sound design.
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"HαИe" uses that stylized spelling like even the track names are corrupted. Then "[ED1]The Puzzle of Evil" lands as an ending theme that tries to make sense of all the chaos before it. Two versions of "漩涡" (Vortex) show how the same theme shifts between the game and its PV.
Twelve tracks that all feel slightly wrong on purpose. Load this up when you want your headphones to feel like a psychological experiment.