Над альбомом работал композитор Saskrotch, а его релиз состоялся 5 августа 2014 года. На саундтрек попало 37 композиций общей длительностью более часа. Подборка является компиляцией оригинальной музыки.
CD 1
| 1 | Theme to Rex Rocket I [Producer's Cut] | 02:39 | |
| 2 | A Journey into the Unknown [Menu Screen] | 00:49 | |
| 3 | No Problem Here [Ship Ditty] | 01:42 | |
| 4 | In the Pit of My Stomach [Dark Upper Decks] | 02:40 | |
| 5 | Commander's Theme [Lower Decks - Area 1] | 02:12 | |
| 6 | Crack Your Knuckles [Boss Intro] | 01:04 | |
| 7 | Appetite Suppressant [SlimeBoss Battle] | 02:02 | |
| 8 | To the Trash Heap with You [Fanfare - Boss Defeated] | 00:05 | |
| 9 | I Told You Not to Go in There[Lower Decks - Area 2] | 03:05 | |
| 10 | Authority, Challenged [EnforcerBot Battle] | 02:14 | |
| 11 | SAY WHAT AGAIN [Invincibility] | 00:30 | |
| 12 | Tesla's Rinse Out [ElectroBot Battle] | 02:41 | |
| 13 | Additions to Arsenal [Fanfare - Weapon Get] | 00:05 | |
| 14 | A Fistful of Lasers [The Barracks - Area 1] | 04:11 | |
| 15 | A Tad Overkill [SlimeMech Battle] | 01:54 | |
| 16 | To the Trash Heap with You II [Fanfare - Boss Defeated (Alternate)] | 00:04 | |
| 17 | Militia Funk [The Barracks - Area 2] | 03:24 | |
| 18 | Smash the Irregular [CommandoBot Battle] | 03:31 | |
| 19 | MEET ME SOME-F*#%@N'-WHERE [Infinite Ammo] | 00:40 | |
| 20 | Guns Blazing [The Barracks - Area 3] | 03:48 | |
| 21 | Tension Headaches [LifterBot Battle] | 02:39 | |
| 22 | Additions to Arsenal II [Fanfare - Weapon Get (Alternate Version)] | 00:39 | |
| 23 | Theme to Rex Rocket II [Producer's Cut] | 01:39 | |
| 24 | Theme to Ignition Blues [Engine Room - Area 1] | 04:45 | |
| 25 | STAND STILL [TeleportBoss Battle] | 03:12 | |
| 26 | Red Level Days[Engine Room - Area 2] | 03:14 | |
| 27 | Running on Opposing Platforms [CrusherBot Battle] | 03:19 | |
| 28 | Catch Your Breath [Engine Room - Area 3] | 02:41 | |
| 29 | In the Next Room Lies Your Destiny [L.A.U.R.E.N. Intro] | 01:25 | |
| 30 | This Ends Now [L.A.U.R.E.N. Battle] | 03:28 | |
| 31 | ... Or Was It? [Rex Wakes Up] | 01:40 | |
| 32 | For Your Vigilance and Bravery [Ending Sequence] | 01:08 | |
| 33 | Secret of the Ooze [Epilogue] | 00:34 | |
| 34 | [Bonus Track] A Journey into the Unknown [Menu Screen - Alternate] | 00:51 | |
| 35 | [Bonus Track] Theme to Rex Rocket I [Trailer Version] | 02:38 | |
| 36 | [Bonus Track] Theme to Rex Rocket II [Trailer Version] | 01:38 | |
| 37 | [Bonus Track] Red Level Days (Live Mix) | 04:48 | |
