The revolutionary Endgame trilogy continues in the aftermath of The Calling: Earth Key has been found, the Event has been triggered, and the hunt for Sky Key is on.
Twelve Players. Nine players remain. Three keys. Two keys are left to be found.
One ultimate prize.
Sky Key is the high-octane sequel to the New York Times bestseller Endgame: The Calling. Our world is populated by twelve ancient bloodlines. In each line, a Player trains for a catastrophic event that has not yet happened—until the Calling. Now, those chosen to represent their line Play to survive. With only two keys left to claim, the remaining Players will stop at nothing to find Sky Key—wherever it is, whatever it is—as the world begins to crumble.
Endgame is an interactive, multimedia book, film, and gaming experience that invites its audience to join the Players on a puzzle-based hunt for answers.