<p/><br></br><p><b> About the Book </b></p></br></br>The RAND Arroyo Center developed a strategic-level structured card game examining a gray zone competition between Russia and the West in the Balkans to better understand the nature of a gray zone competition with Russia.<p/><br></br><p><b> Book Synopsis </b></p></br></br>The authors of this report developed a strategic-level structured card game examining a gray zone competition between Russia and the West in the Balkans. They detail the development of this game, including key design decisions, elements of the game, how the game is played, and the undergirding research approach. They conclude with a discussion of recommendations for future applications of the game design.