Album was composed by Takayuki Nakamura and was released on May 10, 2017. Soundtrack consists of 32 tracks tracks with duration over . Album was released by ARC SYSTEM WORKS Co., Ltd..
CD 1
| 1 | This Mysterious World | | |
| 2 | The Beginning (Title Screen) | | |
| 3 | The Cube Calls | | |
| 4 | Civilization | | |
| 5 | Time Unfolds (Arrangement 1) | | |
| 6 | Time Unfolds (Arrangement 2) | | |
| 7 | The End (Guitar) | | |
| 8 | The End (No Guitar) | | |
| 9 | Under the Mantle | | |
| 10 | Prehistory | | |
| 11 | Prehistory (Ambience) | | |
| 12 | Prehistory (Percussion) | | |
| 13 | Upland Greenery (Arrangement 1) | | |
| 14 | Upland Greenery (Arrangement 2) | | |
| 15 | Upland Greenery (Arrangement 3) | | |
| 16 | Cube Tectonics (Arrangement 1) | | |
| 17 | Cube Tectonics (Arrangement 2) | | |
| 18 | Cube Tectonics (Arrangement 3) | | |
| 19 | Cube Tectonics (Arrangement 4) | | |
| 20 | Cube Tectonics (Arrangement 5) | | |
| 21 | Cube Tectonics (Arrangement 6) | | |
| 22 | Cube Tectonics (Arrangement 7) | | |
| 23 | Beneath the Sea (High Tempo) | | |
| 24 | Beneath the Sea (Low Tempo) | | |
| 25 | Scorching Sand 1 | | |
| 26 | Scorching Sand 2 | | |
| 27 | Snowdrift | | |
| 28 | Chimes of Winter (Arrangement 1) | | |
| 29 | Chimes of Winter (Arrangement 2) | | |
| 30 | Reaching the Summit | | |
| 31 | Skies Above (Piano Arrangement) | | |
| 32 | Skies Above(String Arrangement) | | |
