Soundtrack

FISHLABS released a soundtrack which was removed. It is still accessable via Wayback Machine here  or Google Drive here. It is downloadable for free, and also a Supernova soundtrack can be downloaded separate.

Soundtrack
The soundtrack is numbered as followed. Additionally, the Supernova tracks are as followed:
 * 1) Deep Space
 * 2) Sounds of Space
 * 3) The Story Begins
 * 4) Interception
 * 5) Space Opera
 * 6) Welcome to Terran Station
 * 7) Nivelian Gunpowder
 * 8) The Mido Alliance
 * 9) Vossk Territory
 * 10) There is Something out There
 * 11) Mido Homeland
 * 12) The Voids
 * 13) Valkyrie
 * 14) On Board
 * 15) Heartbeat of Home
 * 16) At Home
 * 17) After a Long Journey
 * 1) Quantum Mysteries
 * 2) Heartbeat Radiation
 * 3) The Ambush
 * 4) Stealth Blades
 * 5) Evil Awakens
 * 6) Renegade Justice

Trivia

 * Stealth Blades is a remix of The Ambush.
 * The titles of songs 1-17 were made up by Galaxy On Fire fan Alexander K.
 * The Supernova tracks' names were made by fans. The blog post is here.