Ceci n'est pas un jeu

Blurb

This is Not a Game is a 2009 thriller written by American science fiction author Walter Jon Williams. It is the first book in his "Dagmar Shaw" series; the second novel is Deep State, and the third is The Fourth Wall. Each novel has subplots involving the superiority of crowdsourcing to conventional corporate action, with the main plots involving alternate reality games and their interplay with real life.
Diamonds from Tequila, a short story centered around Sean Makin, the main character in The Fourth Wall. was published in 2014.