Here are the links to the official soundtrack which Shurk composed for Critical Annihilation on Soundcloud and iTunes. I hope you enjoy what you hear:

Listen on Soundcloud:
https://soundcloud.com/shirkofficial/sets/critical-annihilation-video

Support on iTunes:
https://itunes.apple.com/gb/album/critical-annihilation-video/id1082788155

We just released Critical Annihilation on steam early access! Go check it out here