LP available via a Kickstarter campaign.
Music composed by Rafael Dyll.
Music arranged for piano by Rafael Dyll and Kordian Więcek.
Music performed by Kordian Więcek.
Album was composed by Rafael Dyll and was released on February 2019. Soundtrack consists of 13 tracks tracks with duration over . Album was released by eastasiasoft.
CD 1
| 1 | First Movement - Blue: The Siren's Wish (Rainbow Skies) | | |
| 2 | Second Movement - Red: An Adventure Begins (Rainbow Skies) | | |
| 3 | Third Movement - Yellow: Theme of Lunah (Rainbow Skies) | | |
| 4 | Fourth Movement - Green: Promises (Rainbow Skies) | | |
| 5 | Above my Clouds (Rainbow Skies) | | |
| 6 | Once Upon a Time (Rainbow Moon) | | |
| 7 | Moonlight (Rainbow Moon) | | |
| 8 | Credits (Rainbow Moon) | | |
| 9 | Freedom (Last Hope) | | |
| 10 | Farewell (The Ghost Blade) | | |
| 11 | Castle Crasher (Ninja Sprint) | | |
| 12 | Credits (Söldner-X) | | |
| 13 | Söldner-X 2 Piano Fantasy (Söldner-X Series) | | |
