Appears on releases
| # | Title | Length | Track Artist | Release Title | Release Artist | Release Group Type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 2.20 | 洞窟の悪夢 | 1:22 | 松枝賀子 & 江口貴勅 | Final Fantasy X-2 Original Soundtrack | 松枝賀子 & 江口貴勅 | Album + Soundtrack |
| avex trax | AVCD-17254, AVCD-17255 |
| 2.20 | Nightmare in the Den | 1:20 | 松枝賀子 & 江口貴勅 | Final Fantasy X-2 Original Soundtrack (VGMDB - English (iTunes)) | 松枝賀子 & 江口貴勅 | Album + Soundtrack |
| avex trax | AVCD-17254~5 |
| 2.13 | Nightmare in the Cave | 1:19 | 松枝賀子 & 江口貴勅 | Final Fantasy X-2 Original Soundtrack ("HD Remaster" reissue) | 松枝賀子 & 江口貴勅 | Album + Soundtrack |
| SQUARE ENIX (2003-2014 music label for the video game company; after mid-2014, see SQUARE ENIX MUSIC) | SQEX 10420, SQEX 10421 |
| Pseudo-Release | |||||||||
| 2.20 | Nightmare of a Cave | 1:20 | 松枝賀子 & 江口貴勅 | Final Fantasy X-2 Original Soundtrack | 松枝賀子 & 江口貴勅 | Album + Soundtrack | |||
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