ONE GAME TO END THE WORLD. ONE PLAYER TO SAVE IT.
THE ENDGAME SERIES
THE ENDGAME NOVELLAS
SOLVE THE PUZZLE
Written into Endgame: The Calling is a puzzle. Within its pages lie clues that lead to a key hidden somewhere on Earth. Decipher, decode, and interpret. Search and seek. The first to find the key and deliver it to its proper home will be rewarded with gold. Another puzzle awaits in Sky Key: An Endgame Novel. Learn more here: http://nerdist.com/global-literary-puzzle-solved-winner-takes-home-500k-in-gold/
Mobile Game and Alternate Reality Game are not required to solve the book puzzle.