Developer Iron Galaxy and publisher Microsoft have launched the massive Shadow Lords story mode for its free-to-play fighting game Killer Instinct on the Xbox One and Windows 10. In addition, the Killer Instinct: Definitive Edition is now available for the Xbox One.

The Shadow Lords update is the final one in "Season 3" of Killer Instinct and will allow players to assemble a team of fighters to defend the Earth against an invasion from the alien Gargos. Iron Galaxy has posted a long list of features that are a part of Shadow Lords, which include adding new abilities to your fighters by calling up Guardians. collecting loot and rewards, and accessing new Mimic skins for your characters. In addition, the update also includes a bunch of balance changes and bug fixes for most of the game's fighters.

If you have never played Killer Instinct and want to get all of the game's content at once, plus some extras, Microsoft has launched the game's Definitive Edition for the Xbox One, priced at $39.99. The disc version of the game includes of the fighters and content that have been launched in the last three seasons, plus the game's soundtrack on CD and a code to get an exclusive gold Gargos skin.

See at Microsoft Store

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