Note: The web version of CHAOS;HEAD Original Soundtrack contains 6 extra tracks.
BGM Composer & Arranger:
Takeshi Abo (02~16,20,22,24,30~32,35~40)
Toshimichi Isoe (19,21,23,25,28)
Yoh Ohyama (26,29)
Syntaro Jimbo (27)
M-01
Vocals: Kanako Ito
Composer: Chiyomaru Shikura
Arranger: Toshimichi Isoe
Lyricist: Chiyomaru Shikura
M-17
Vocals: Kanako Ito
Composer: Toshimichi Isoe
Arranger: Toshimichi Isoe
Lyricist: Ikuko Ebata
M-18
Vocals: Phantasm (FES cv. Yui Sakakibara)
Composer: Tatsushi Hayashi
Arranger: Tatsushi Hayashi
Lyricist: Chiyomaru Shikura
M-33
Vocals: Kanako Ito
Composer: Toshimichi Isoe
Arranger: Toshimichi Isoe
Lyricist: Ikuko Ebata
M-34
Vocals: Phantasm (cv. Yui Sakakibara)
Composer: Tatsushi Hayashi
Arranger: Tatsushi Hayashi
Lyricist: Chiyomaru Shikura
Альбом был написан Тиёмару Сикура / Сyнтаро Дзимбо / Takeshi Abo / Tatsushi Hayashi / Тосимити Исоэ / Ё Ояма и вышел 26 ноября 2014 года. На саундтрек попало 40 композиций общей длительностью более часа. Подборка является компиляцией оригинальной музыки. Выпуском пластинки занимался лейбл 5pb. Inc.
CD 1
| 1 | Find the blue (Short Ver) | 02:02 | |
| 2 | M.I.L. | 01:36 | |
| 3 | Adventure | 01:32 | |
| 4 | Soliloquy | 03:29 | |
| 5 | SHIBUYA | 02:42 | |
| 6 | Girls | 03:44 | |
| 7 | Tender hearts | 01:33 | |
| 8 | Virtual reality | 03:06 | |
| 9 | I'm rounder | 03:21 | |
| 10 | In the ward | 03:22 | |
| 11 | Pity | 02:01 | |
| 12 | Detective | 01:58 | |
| 13 | Distorted theory | 03:33 | |
| 14 | Truth and false | 01:29 | |
| 15 | Prologue | 00:52 | |
| 16 | SHIBUYA -original- | 03:19 | |
| 17 | Desire Blue sky (Short Ver) | 01:46 | |
| 18 | 罪過に契約の血を (Short Ver) | 02:08 | |
| 19 | Silence | 02:22 | |
| 20 | Delusion | 01:48 | |
| 21 | Fear | 02:21 | |
| 22 | SEIRA | 02:18 | |
| 23 | Gradually panic | 01:59 | |
| 24 | Doubt | 02:42 | |
| 25 | Mysterious | 02:18 | |
| 26 | Town Vanguard | 02:38 | |
| 27 | White out | 02:54 | |
| 28 | Shogun | 02:31 | |
| 29 | Last Battle | 02:14 | |
| 30 | Fear flow | 03:37 | |
| 31 | Can see it? | 03:34 | |
| 32 | The essence | 03:33 | |
| 33 | クライ | 04:52 | |
| 34 | グラジオール (Short Ver) | 01:56 | |
| 35 | Convert | 03:33 | |
| 36 | Final chapter | 02:52 | |
| 37 | Colors | 02:58 | |
| 38 | Real link | 02:59 | |
| 39 | Silent sky | 03:16 | |
| 40 | Doubt -original- | 02:26 | |
