Exist Archive Original Soundtrack
| Composed by | Motoi Sakuraba |
| Published by | Spike Chunsoft |
| Catalog number | SCEA-0001~2 |
| Release type | Game Soundtrack - Official Release |
| Format | 2 CD - 33 tracks |
| Release date | April 22, 2016 |
| Genres |
| 1 | Digress of Destiny | ||
| 2 | Elysion | ||
| 3 | The Other Side of the Sky | ||
| 4 | Emerald Forest | ||
| 5 | Star of Administrator | ||
| 6 | Daybreakers Gospel | ||
| 7 | Floating continent | ||
| 8 | Proto- Lexer | ||
| 9 | XENO-Factor | ||
| 10 | Treasure Where is? | ||
| 11 | Fallen Angel | ||
| 12 | Anti Life form | ||
| 13 | Ancient monument | ||
| 14 | Demon's Greed | ||
| 15 | ｆriendship | ||
| 16 | Confrontation of the force | ||
| 17 | The provisions of death |
CD 2
| 1 | Exist Archive | ||
| 2 | Central Tower | ||
| 3 | Dark side | ||
| 4 | Last tower | ||
| 5 | Invasion of the false god | ||
| 6 | The Immortality of the Soul | ||
| 7 | Looking for an Answer | ||
| 8 | separation | ||
| 9 | Temporary rest | ||
| 10 | Ruler of Valiant | ||
| 11 | Time at the Base | ||
| 12 | To Live | ||
| 13 | Choose the Evil | ||
| 14 | In the Earth | ||
| 15 | The End of ｔhe Journey | ||
| 16 | epilogue |
