Buffalo Games is set to see in-store purchases of its games and jigsaw puzzles increase from $120 million to $250 million. The Buffalo-based company is capping it off with two acquisitions that will dramatically expand the scope of its business. Buffalo Games closed on deals last week to acquire Newton-based Ceaco, the second-largest producer of jigsaw puzzles in America. (Buffalo Games is the first.) Buffalo Games also acquired Ceaco's contract manufacturer, Edaron Inc. Buffalo Games CEO Nagendra...