01: Opening
Words And Music: Akita Yamato (八的 あきら) / Arrange: Masafumi Ogata / Song: Isao Sasaki
02: Ending
Music: Lycaon (りかおん) / Arrange: Masafumi Ogata / Song: Isao Sasaki / Words: Akira Yamato
03: Stage 1
Words And Music: Akira Yamato / Arrange: Masafumi Ogata / Song: Mushu Yoshizaki (ムッシュ吉崎) (CRISTALKING)
04: Stage 2
Words And Music: Lycaon / Arrange: Izumi Sakai / Song: Akira Kushida
05: Stage 3
Music: Lycaon / Arrange: Ayumi Yasui / Song: Mushu Yoshizaki (CRISTALKING) / Words: Akira Yamato And Lycaon
06: Stage 4
Music: Momo Michishita / Arrange: Hiroaki Yamamoto / Song: MIO / Words: Akira Yamato
07: Stage 5
Music: Tomoyo Nishimoto / Arrange: Hiroaki Yamamoto / Song: Akira Kushida / Words: Akira Yamato
08: Stage 6
Words And Music: Akira Yamato / Arrange: Ayumi Yasui / Song: Akira Kushida
09: Stage 7
Words And Music: Akira Yamato / Arrange: Masafumi Ogata / Song: Isao Sasaki
10: The First Boss
Words And Music: Lycaon / Arrange: Masafumi Ogata / Song: Mushu Yoshizaki (CRISTALKING)
11: The Second Boss
Music: Yasushi Hasegawa / Arrange: Yasushi Hasegawa And Masafumi Ogata / Song: Hironobu Kageyama / Words: Akira Yamato
12: The Last Boss
Words And Music: Akira Yamato / Arrange: Masafumi Ogata / Song: Hironobu Kageyama
13: Special Song
Music: Hiroaki Yamamoto / Arrange: Hiroaki Yamamoto And Takahiro Shutoh / Song: Mushu Yoshizaki (CRISTALKING) / Words: Akira Yamato
Album was composed by Hiroaki Yamamoto / Momo Michishita / Tomoyo Nishimoto / Yasushi Hasegawa and was released on June 28, 2023. Soundtrack consists of 13 tracks tracks with duration over about 45 minutes. Album was released by Universal Music.
CD 1
| 1 | Geppy-X No Uta | 03:36 | |
| 2 | Geppy-X No Ballad | 03:07 | |
| 3 | Geppy-X Hasshin Seyo!! | 02:07 | |
| 4 | Kibou No Yusya Geppy-X | 03:55 | |
| 5 | Sukida! Geppy-X | 02:50 | |
| 6 | Jyunran Taru Gyakusyu No Meshia | 03:47 | |
| 7 | Yomigaere Geppy-X | 03:17 | |
| 8 | Geppy-X The Super Boosted Armor | 02:51 | |
| 9 | Tobe! Geppy-XX | 03:04 | |
| 10 | Susume! Utyu-Beast | 03:05 | |
| 11 | Syori Da! Zettai-Finish!! | 03:09 | |
| 12 | Geppy-X '99 | 03:43 | |
| 13 | Densetsu ~ Gather Darkness | 04:43 | |
