Available as DLC to owners of the base game on Steam.
Album was composed by Johnny Lucas and was released on October 27, 2015. Soundtrack consists of 29 tracks tracks with duration over . Album was released by ElagoTech (distributed by Valve.
CD 1
| 1 | Grassland | | |
| 2 | Cave | | |
| 3 | Toy World | | |
| 4 | Factory | | |
| 5 | Castle | | |
| 6 | Rainy | | |
| 7 | Ice Cave | | |
| 8 | Ghostland | | |
| 9 | Title | | |
| 10 | Map | | |
| 11 | Boss | | |
| 12 | Last Boss | | |
| 13 | Candyland | | |
| 14 | Cosmoland | | |
| 15 | Boss Rush | | |
| 16 | Credit Roll | | |
| 17 | Promo | | |
| 18 | Stage Clear | | |
| 19 | Game Complete | | |
| 20 | Bonus Complete | | |
| 21 | Grassland (Speed) | | |
| 22 | Cave (Speed) | | |
| 23 | Toy World (Speed) | | |
| 24 | Factory (Speed) | | |
| 25 | Castle (Speed) | | |
| 26 | Rainy (Speed) | | |
| 27 | Ice Cave (Speed) | | |
| 28 | Ghostland (Speed) | | |
| 29 | Stealth Cave (Unused) | | |
