Self-released by the game's primary composer on bandcamp in early 2021, minus the guest compositions/arrangements featured on the original (now recalled) 2019 release.
Над альбомом работал композитор Joseph Bailey (Steel Assault, DEVIL ENGINE ORIGINAL SOUNDTRACK, Steel Assault Complete Game Soundtrack), а его релиз состоялся 1 февраля 2021 года. На саундтрек попало 17 композиций. Подборка является компиляцией оригинальной музыки.
CD 1
| 1 | Iron Attack (STAGE 1) | | |
| 2 | Cornered! (BOSS 1) | | |
| 3 | Jazzy NNYC (STAGE 2) | | |
| 4 | Scorched Earth Tactics (BOSS 2) | | |
| 5 | Crafted Beasts (STAGE 3) | | |
| 6 | At Thunder's Gate (BOSS 3) | | |
| 7 | Low Altitude (STAGE 4) | | |
| 8 | Celestial Avatar (BOSS 4) | | |
| 9 | Distant Call (STAGE 5) | | |
| 10 | A Grueling Conflict (BOSS 5) | | |
| 11 | Ascent (STAGE FINAL) | | |
| 12 | Immortal Abstract (BOSS FINAL) | | |
| 13 | Final Sacrifice (ENDING 1) | | |
| 14 | Tempered Cruelty (ENDING 2) | | |
| 15 | Misotheism (ENDING 3) | | |
| 16 | Contrails (CREDITS) | | |
| 17 | Upload (UNUSED) | | |
