Killer Instinct (Original Game Soundtrack), Season 2 is a digital double album set that was released on August 4, 2015, 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 last year's Killer Instinct: Season One Soundtrack + Original Arcade Soundtrack. The soundtrack contains both the official soundtrack of Season 2 of the 2013 Killer Instinct game released for the Xbox One, as well as the tracks from the original 1996 Killer Instinct Gold Cuts soundtrack album, as well as some extra unreleased demo tracks. (NOTE: Some of the extra tracks were included in the Rare Replay collection, under "Top-Secret Tunes" in the "Rare Revealed" main menu. Also, did you know the collection was released the same