UnderRail OST
| Composed by | Josh Culler |
| Published by | Stygian Software |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 Digital - 24 tracks |
| Release date | December 18, 2015 |
| Duration | 01:10:36 |
| Genres |
| 1 | Awakening of the Ancient | 05:20 | |
| 2 | Blood of the Fae | 03:09 | |
| 3 | Cornered | 02:31 | |
| 4 | Dark Tunnels | 02:13 | |
| 5 | Dreams of Dogtown | 02:41 | |
| 6 | Echoes of the City | 02:43 | |
| 7 | Eldritch Currents | 02:34 | |
| 8 | Fatal Vapor | 02:30 | |
| 9 | Gladius | 02:29 | |
| 10 | Halls of the Learned | 02:59 | |
| 11 | Lab Results | 02:31 | |
| 12 | Lifeblood | 02:18 | |
| 13 | Machinationalized | 03:33 | |
| 14 | Marching to New Tomorrow | 03:04 | |
| 15 | Open Box | 02:24 | |
| 16 | Opening Theme | 03:35 | |
| 17 | Scattered Remnants | 02:50 | |
| 18 | Searchlight Journey | 03:51 | |
| 19 | Skyless World | 02:34 | |
| 20 | Subterra | 03:08 | |
| 21 | Subterranon | 02:51 | |
| 22 | Throes of Genesis | 02:58 | |
| 23 | Trangression of the Sacrosanct | 03:07 | |
| 24 | Unnatural Order | 02:43 |
