Killer Instinct Season 3: Original Soundtrack is a digital album that was released on October 25, 2016, by Microsoft Studios Music. It was released on digital platforms such as Amazon, iTunes, Spotify, and Google Play. The OST serves as a follow-up to the 2 previous soundtracks of Killer Instinct (2013), and contains the official tracks for the game's Season 3 released in March 2016.