The term “drill” evokes a sense of drudgery and meaninglessness. It’s mechanical, repetitive, and boring—as the saying goes, drill and kill. Games, on the other hand, are precisely the opposite. They mean fun, connectedness, and passion. And because of that, skills improve faster when they’re looked at this way. Dig into the biography of any world-class performer and you’ll uncover a story about a small, addictive game. Whether it’s the young golfer Rory McIlroy chipping golf balls into the family dryer, or Warren Buffett as a child going door-to-door selling chewing gum and trying to figure out what flavor sold best