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You might be interested in the novel Deep State by Walter Jon Williams.

The protagonist runs massive games set in the real world. In the preceding book she exploited her players to solve the murder of one of her co-founders. Now she's recruited by the CIA to use a game as a cover for a coup.

(The title predates the use of Deep State to describe the US government. The term was originally used to describe the Turkish government, where there's an actually plausible academic case it exists)