Над альбомом работал композитор Chris Fletcher, а его релиз состоялся 7 июля 2023 года. На саундтрек попало 32 композиции общей длительностью около 45 минут. Подборка является компиляцией оригинальной музыки. Выпуском пластинки занимался лейбл Hooligan Records.
CD 1
| 1 | Ostium Main ThemeChris Fletcher | 00:59 | |
| 2 | Original SynapseChris Fletcher | 02:12 | |
| 3 | HitchChris Fletcher | 00:38 | |
| 4 | The Arc Is LongChris Fletcher | 00:43 | |
| 5 | Wherein LiesChris Fletcher | 01:34 | |
| 6 | Losing What I Never HadChris Fletcher | 02:12 | |
| 7 | CloudingChris Fletcher | 02:21 | |
| 8 | TubularChris Fletcher | 02:23 | |
| 9 | Pursued Through the FogChris Fletcher | 01:53 | |
| 10 | Don't Look BackChris Fletcher | 01:57 | |
| 11 | Where Does This End?Chris Fletcher | 02:00 | |
| 12 | Well and GoodChris Fletcher | 01:44 | |
| 13 | Through the DoorChris Fletcher | 02:22 | |
| 14 | Hold My HandChris Fletcher | 01:50 | |
| 15 | Lacking ClarityChris Fletcher | 02:46 | |
| 16 | The Last Time I Saw YouChris Fletcher | 01:48 | |
| 17 | Shipping LanesChris Fletcher | 02:03 | |
| 18 | UnderworldChris Fletcher | 02:24 | |
| 19 | Luna ObscuraChris Fletcher | 01:20 | |
| 20 | FebruaryChris Fletcher | 01:15 | |
| 21 | Ostium Main Theme (Season 1)Chris Fletcher | 00:23 | |
| 22 | Rolling Around in my HeadChris Fletcher | 00:33 | |
| 23 | Timer SetChris Fletcher | 00:33 | |
| 24 | When Paths CollideChris Fletcher | 00:30 | |
| 25 | N/EverChris Fletcher | 00:32 | |
| 26 | Inside the MachineChris Fletcher | 00:22 | |
| 27 | DreamlandChris Fletcher | 00:25 | |
| 28 | ParallelogramChris Fletcher | 00:27 | |
| 29 | The Circle Around UsChris Fletcher | 00:32 | |
| 30 | On the TableChris Fletcher | 00:27 | |
| 31 | Out the DoorChris Fletcher | 00:26 | |
| 32 | Trailer MusicChris Fletcher | 00:35 | |
